Hp SAN Virtualization Services Platform Manuale Utente

HP StorageWorks SAN Virtualization ServicesPlatform Manager user guidePart number: AG781–96017Second edition: March 2009

Creating subfolders ... 305Renaming folders ...

DescriptionPropertyThe status of the virtual disk. Possible values:• Normal—The initialization phase was completed and all the back-end LU(s)onto whic

DescriptionPropertyThe application associated with the virtual disk. For information about addingapplication types and associating them with virtual d

Virtual disk information—Storage Pool tabThe Storage Pool tab provides information about the storage pool(s) from which the virtual disk capacityis al

Virtual disk information—PiT tabThe PiT tab provides information about any snapshot PiTs created for the selected virtual disk. Formore information ab

DescriptionPropertyThe size of the temporary virtual disk which holds the modifications made on thePiT. This field shows you how much capacity from th

DescriptionPropertyThe status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling to the activeVSM server

DescriptionPropertyThe status of the DPM. Possible values:•—Present status. The DPM is recognized and communicating properly withthe active VSM server

DescriptionPropertyThe first LBA of the back-end LU on which the virtual disk segment is allocated towhich the virtual disk is mapped.Device Start LBA

Virtual disk information—Virtual Disk Copy tabThe Virtual Disk Copy tab displays information about all virtual disks which are related to the selected

Figure 20 Hierarchy tabThe following are represented in the hierarchy:• The selected virtual disk—This is displayed even if no snapshot PiTs or snapsh

Deleting user groups ... 337Configuring security

1. In the navigation tree, expand the Entities node.2. Right-click the Virtual Disk node.3. Select New. The Create Virtual Disk wizard opens to the En

9. Click Next. The Select Storage Pool(s) screen appears, displaying the list of available storagepools.Figure 22 Create Virtual Disk wizard—Select St

16. Click Next. If you selected Set permission later in step 5, skip to step 28. If you selected VSMServer or UDH in step 5, the Select host(s) screen

23. Select the LUN through which you want VSM to expose the virtual disk. You may use the Nextfree LUN option or specify a number. This must be a uniq

26. Click Next. The Select preferred path screen appears.Figure 25 Create Virtual Disk wizard—Select preferred path screen27. Use the checkboxes to se

Expanding virtual disksYou may need to expand a virtual disk if the host application using the virtual disk is running low onvirtual disk capacity. Wh

• Remove Host Permission—You can remove permission from a host that currently has permissionto access the virtual disk.• Change LUN—If a virtual disk

2. Click the Virtual Disk node. The virtual disks list appears in the list area.3. Right-click the virtual disk to which you want to add host permissi

13. Click Next. The Select DPM Group screen appears.14. In the upper area of the screen, select a DPM group and click Add. The DPM group you selectedi

4. Select Manage > Manage Permission > Change Host Permission. The Change Host Permissionwizard opens to the Select host(s) screen.5. Select a h

Index ... 37312

8. Click Finish. The host permission is removed.Changing the virtual disk LUNIf a virtual disk is set to allow permission only to UDH hosts, you can c

4. Select Manage > Manage Data Path Module > Change Primary/Secondary Data Path Module.The Change Primary/Secondary Data Path Module/VSM wizard

5. Check the Support cluster option.6. Click Next. A confirmation screen appears.7. Click Finish. The virtual disk is defined as clustered.Adding appl

2. From the applications list, select the application that you want to add to one or more virtualdisk(s). If the application is not listed, add the ap

Working with virtual disks124

9 Working with virtual disk groupsA virtual disk group (VDG) is an entity that you can create to encapsulate multiple virtual disks intoone entity. Ev

DescriptionPropertyThe states of the VDG members. Possible values:• Normal—Each virtual disk is in normal operational state.• Delete—Each virtual disk

VDG information—Members tabThe Members tab displays the members of the VDG. Members can be virtual disks or snapshots.Table 51 VDG Members tab fieldsD

DescriptionPropertyThe status of the PiT. Possible values:• Init—The PiT is being created.• Normal—The status of all the virtual disks from which the

VDG information—Host Presentation tabThe Host Presentation tab displays the hosts that have permission to access the VDG or members ofthe VDG. Permiss

FiguresThe VSM client window ... 261VSM client window elements

DescriptionPropertyThe current status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling to the activeVSM

DescriptionPropertyThis indicates whether the DPM is configured as the primary DPM for presentingthe VDG members to hosts.PrimaryIndicates whether the

Figure 27 Hierarch tabVDG information—Disabled Operations tabThe Disabled Operations tab shows which operations you cannot currently perform on the se

• A virtual disk that has a snapshot PiT.NOTE:You can add a virtual disk that has no PiTs to a VDG that has PiTs.• A temporary virtual disk.• A setup

16. If you want to add the VDG to a folder, enter the folder name in the Folder field or click Browseto browse to the folder. The folder must already

Adding any combination of members to a VDGTo add members to a VDG:1. Right-click the VDG to which you want to add members.2. Select Manage > Add/Re

2. Select Manage > Add/Remove Members > Remove Members. The Remove Members wizardopens to the Select Virtual Disk(s) screen.3. If you want to re

3. From the “Set permission to Host with” drop-down list, select one of the following:• UDH—Select this value to assign permission to UDHs. The wizard

11. Click Next. The Set Select DPM Group screen appears. The upper area of the screen displaysthe DPM groups through which the host is registered.Figu

13. Click Next. The Select preferred path screen appears.Figure 30 Add Host Permission wizard—Select preferred path screen14. Use the checkboxes to se

Set Preferred Path wizard—Select Preferred Path screen ... 15433HBAs list ...

4. Click Add. The host you selected appears in the lower area of the screen. If you want to deselectthe host, select the host in the lower area and cl

3. Use the checkboxes to set one DPM in the DPM group as primary and one DPM as secondary.NOTE:• Use care in selecting the primary and secondary DPMs

2. Select Manage > Set Clustered. The Set Clustered screen appears.3. Check the Support cluster option.4. Click Next. A confirmation screen appears

10 Working with hostsA host is connected to two DPMs in a DPM group using a dual-fabric SAN. Each host requires operatingsystem specific multipath sof

• Change preferred path (change the primary path through which virtual disks are presented to ahost)• Change LUN range (change the range of LUNs used

2. Click the Host node. The hosts list appears in the list area. The following properties are displayedfor each host.Table 58 Host propertiesDescripti

DescriptionPropertyThe current status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling to the activeVSM

DescriptionPropertyThe primary path through which virtual disks are presented to the host. PreferredPath is applicable to hosts with the following age

Viewing host informationYou can display detailed information related to each host in the tabs area below the hosts list.To view information related to

DescriptionPropertyThe vendor of the HBA.VendorThe status of the HBA. Possible values:• Present—For VSM server hosts, this indicates that the host is

The Maintenance dialog box ... 36069The Manage Multi Domain Access Path

DescriptionDisplay fieldAn icon representing a VSM storage element assigned to the host. Possible values:•—A virtual disk.•—A VDG.•—A snapshot.•—A VDG

DescriptionDisplay fieldAn icon indicating either a user or user group. Possible values:•—A user.•—A user group.TypeThe name of the user or user group

7. Click Next. The Select HBA(s) screen appears, displaying the list of available HBAs.Figure 31 Create UDH wizard—Select HBA(s) screen8. If you would

20. Click Finish. The UDH is created with the parameters you provided, and appears in the hosts list.Changing the UDH operating system or personalityY

2. Select Manage > Manage Preferred Path > Set Preferred Path. The Set preferred path wizardopens to the Select DPM Group screen.Figure 32 Set P

Removing the path preferenceRemoving the path preference for the host specifies that VSM distributes virtual disks evenly betweenDPMs for static load

CAUTION:Before switching the host to the offline state and performing operations on the VSM elements (virtualdisks, VDGs, and snapshots) that belong t

you know that you do not intend to reconnect the host that was removed. When a host is deleted, thepermissions that the host had to access VSM storage

Working with hosts158

11 Managing host bus adaptersEach VSM server detects the host bus adapters (HBAs) installed on itself and the HBAs reported bythe DPMs on the SAN. Whe

TablesDocument conventions ... 221Menu options ...

2. Click the HBA node. The HBAs list appears in the list area.Figure 34 HBAs listThe following properties are displayed for each HBA.Table 64 HBA prop

DescriptionPropertyThe status of the HBA. Possible values:• Present—The VSM server detects the HBA on the SAN.• Failed—The HBA is recognized over Fibe

HBA information—Host tabThe Host tab displays the properties of the host or DPM to which the selected HBA belongs, if known.The host may be the VSM se

DescriptionPropertyThe current status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling the active VSMse

DescriptionPropertyThe primary path through which virtual disks are presented to the host. Preferredpath is applicable to hosts with the following age

HBA information—Access Path tabThe Access Path tab describes the connectivity between the VSM server and the HBAs discovered bythe VSM server. The Acc

HBA information—Security tabThe Security tab displays the access permissions of users and user groups for the selected HBA. Forinformation about confi

Adding HBAs to a host by right-clicking the hostThis procedure adds one or more HBAs to a UDH host.To add HBAs to a host:1. Right-click the host.2. Se

Removing HBAs from hostsRemoving an HBA from a host informs VSM that a given HBA is no longer installed on a given host.Removing HBAs from hosts is su

Deleting HBAsWhen an HBA is physically removed from the SAN, VSM detects the removal and changes the HBAsstatus to absent ( ). VSM enables you to del

Stripe set Disabled Operations tab fields ... 7633Storage Pool properties ...

Managing host bus adapters170

12 Working with Data Path ModulesA Data Path Module (DPM) is a device deployed in a split-path architecture that is responsible for thedata flow betwe

1. In the navigation tree, expand the Entities node.2. Click the Data Path Module node. The DPMs list appears in the list area. The following properti

DescriptionPropertyAlways displays “system,” since the DPM as an entity is automatically createdafter being detected by the VSM server.Created ByThe l

DescriptionPropertyThe World Wide Port Name (WWPN) of a DPM port, as detected by the VSMapplication upon connection to the SAN fabric.The icon next to

DPM information—Front End HBA tabThe Front End HBA tab displays the host HBAs that are connected to the selected DPM. HBAs installedon hosts are conne

DPM information—Virtual Disks tabThe Virtual Disks tab displays the virtual disks, snapshots, virtual disk groups, and VDG snapshotsthat are presented

DPM information—Security tabThe Security tab displays the access permissions of users and user groups for the selected DPM. Forinformation about confi

3. Right-click the DPM whose storage elements you want to failover.4. Select Manage > Failover all. A confirmation screen appears.5. Click Finish.N

4. Select Manage > Replace. The Replace wizard opens to the Select DPM screen. The upper areaof the screen displays the available DPMs.Figure 35 Re

Back-End HBA properties ... 17370HBA properties ...

Working with Data Path Modules180

13 Working with DPM groupsEach Data Path Module (DPM) group contains one primary and one secondary DPM.You can:• View the DPM groups list (view all th

DescriptionPropertyThe current status of the DPM group. Possible values:• Present—For both DPMs in the DPM group, the fabric agent is polling to theVS

• Disabled Operations—Shows which operations you cannot currently perform on the selected DPMgroup and the reason for each. See the release notes for

DPM group information—Host tabThe Host tab displays information about each host to which the DPM group exposes objects.Table 78 DPM groups Host tab fi

DescriptionPropertyThe current status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling the active VSMse

DPM group information—Virtual disk tabThe Virtual Disk tab displays information about each VSM storage element that the selected DPMgroup exposes to a

DPM group information—Disabled Operations tabThe Disabled Operations tab shows which operations you cannot currently perform on the selectedDPM group

6. Click Next. The Select DPM(s) screen appears. The upper area of the screen displays the availableDPMs.Figure 37 Create DPM Group wizard—Select DPM(

4. Select Manage > DPM relations > Add DPM. The Add DPM wizard opens to the Select DPMscreen. The upper area of the screen displays the availabl

Migration group Disabled Operations tab fields ... 252107Async mirror groups properties ...

4. Select Manage > Rename. The Rename wizard opens to the New name screen.Figure 39 Rename Wizard—New name screen5. n the New name field, enter a n

5. Click Finish. The DPM group is deleted.HP StorageWorks SAN Virtualization Services Platform Manager user guide 191

Working with DPM groups192

14 Using snapshotsThe snapshot service is a facility for making low-capacity snapshots. Snapshots can be made availableto any host for purposes such a

• Accelerated application testing—Snapshots enable you to radically reduce the time needed toprepare data for test runs. Copying and staging data is r

Creating PiTsYou can create a PiT on the following storage elements:• A virtual disk. However, you cannot create a PiT on one of the domain’s setup vi

8. Click Finish. The PiT is created and is listed in the PiT tab for the element on which the PiT wascreated. If the PiT was created on a snapshot, th

4. In the tabs area, select the PiT tab. The following information is displayed for each PiT.Table 82 Virtual Disk/VDG/Snapshot/VDG Snapshot PiT tab f

DescriptionPropertyThe size of the temporary virtual disk which holds the modifications made onthe PiT. This field shows you how much capacity from th

1. Right-click the PiT.2. Select Delete. A confirmation screen appears.3. Click Finish. The PiT status changes to Resync and disappears after the sync

Legal and notice information© Copyright 2008-2009 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP requi

20

7. Click Next. The Select PiT screen appears.Figure 40 Create Snapshot wizard—Select PiT screen8. From the list in the upper area of the screen, selec

14. If you selected Set permission later in step 4, continue with step 26. Otherwise, click Next. TheSelect Host(s) screen appears, displaying the lis

Viewing the snapshots listThe snapshots list displays all snapshots managed in the domain.To display the snapshots list:In the navigation tree, click

• Properties—Provides general information about the selected virtual disk, as described in Table83.• Storage Pool—Shows the properties of the storage

DescriptionPropertyThe time at which the storage pool was created.Creation TimeThe user who created the storage pool.Created ByThe last time a user ma

DescriptionPropertyShows which hosts have permission to access this virtual disk. If a single host hasaccess permission for the virtual disk, the name

DescriptionPropertyThe current state of the PiT. Possible values:• Normal—The temporary virtual disk is in normal operational state.• Resync—The PiT i

DescriptionPropertyThe status of the PiT.• Init—The PiT is being created.• Normal—The status of all the virtual disks from which the PiT is constructe

Snapshot information—Host Presentation tabThe Host Presentation tab displays the hosts that have permission to access the selected snapshot.Table 88 S

DescriptionPropertyThe current status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling to the activeVSM

About this guideThis guide describes how to use the Virtualization Services Manager (VSM) client graphical userinterface to manage a storage area netw

DescriptionPropertyIndicates whether the DPM is the primary DPM for the snapshot. The primary DPMfor the snapshot is the preferred DPM through which a

Figure 42 Hierarchy tabSnapshot information—Disabled Operations tabThe Disabled Operations tab shows which operations you cannot currently perform on

DescriptionPropertyYes indicates that the virtual disk or VDG is defined as a cluster resource. Thissetting tunes the SVSP system behavior when the vi

VDG snapshot information—Members tabThe Members tab displays the snapshots that are members of the VDG snapshot.Table 93 VDG Snapshot Members tab fiel

DescriptionPropertyThe current state of the PiT. Possible values:• Normal— The temporary virtual disk is in a normal operational state.• Resync—The Pi

DescriptionPropertyThe status of the PiT. Possible values:• Init—The PiT is being created.• Normal—The status of all the virtual disks from which the

VDG snapshot information—Host Presentation tabThe Host Presentation tab displays the hosts that have permission to access the selected VDG snapshot.Ta

DescriptionPropertyThe status of the host. Possible values:• Present—For VSM servers, this indicates that the host is polling to the activeVSM server

DescriptionPropertyIndicates whether the DPM is the primary DPM for the VDG snapshot. The primaryDPM for the VDG snapshot is the preferred DPM through

Figure 43 Hierarch tabVDG snapshot information—Disabled Operations tabThe Disabled Operations tab shows which operations you cannot currently perform

Document conventions and symbolsTable 1 Document conventionsElementConventionCross-reference links and e-mail addressesBlue text: Table 1Website addre

4. Select Manage > Manage Permission > Add Host Permission. The Add Host Permission wizardopens to the Select type of Host screen.5. From the “S

12. Select one of the following:• Next free LUN (recommended)—VSM assigns the next free LUN available for presenting thesnapshot or VDG snapshot to pe

6. Select one of the following from the dropdown list:• Full—Assigns read/write permission to the host.• Read—Assigns read-only permission to the host

2. Select Manage > Manage Permission > Change LUN. The Change LUN wizard opens to theSelect host(s) screen.3. In the upper area of the screen, s

2. Select Manage > Manage Data Path Module/VSM > Change Primary/Secondary Data PathModule/VSM. The Change Primary/Secondary Data Path Module/VSM

To change the active DPM for a snapshot or VDG snapshot:1. Right-click the snapshot or VDG snapshot.2. Select Manage > Manage Data Path Module >

Displaying VSS snapshots and PiTsTo display VSS snapshots and their PiTs within VSM:1. From the toolbar, select Tools > Options > General. The

Figure 47 VSS snapshot—source PiT—exampleNOTE:For hosts running Windows 2008, VSM supports the following operations:• You can convert VSS PiTs to regu

4. Select the Source Virtual Disk/Snapshot/VDG tab. The Source Virtual Disk/Snapshot/VDG tabdisplays the virtual disk, snapshot, or VDG on which the P

3. Either:a. Right-click the PiT to which you want to roll back a virtual disk, VDG, or VDG snapshot.b. Select Manage > Rollback PiT. The Rollback

Rack stabilityRack stability protects personnel and equipment.WARNING!To reduce the risk of personal injury or damage to equipment:• Extend leveling j

Restoring from snapshotsInstant restore is an operation that replaces a virtual disk or VDG with a snapshot that was createdfrom the virtual disk or V

• The number of virtual disks on which you are creating PiTs.• How much data is modified over a period of time (for example between successive PiT cre

2. Select the Configuration tab. The configuration options appear.Figure 49 Options dialog box—Configuration tab3. In the Storage Pool Protection Thre

15 Using snapclonesThe snapclone service enables you to create multiple physical copies of any Virtualization ServicesManager (VSM) virtual disk or sn

• High performance LAN-free and server-free backup — Administrators can create an independentphysical snapclone, allocate it to a backup server and ex

DescriptionPropertyThe status of the snapclone group. Possible values:• Normal—All tasks in the group are progressing normally.• Suspended—All tasks i

Snapclone group information—Snapclone Task tabThe Snapclone Task tab displays the tasks running on the selected snapclone group.Table 101 Snapclone gr

Snapclone group information—Security tabThe Security tab displays the access permissions of users and user groups for the selected snapclonegroup. For

• Conditions must be such that a PiT can be created on the virtual disk.• The virtual disk must not be the setup virtual disk for the domain.• No othe

7. From the Data mover mode dropdown box, select one of the following:NOTE:Currently, dedicated data movers are not supported in HP StorageWorks VSM.•

HP websitesFor additional information, see the following HP websites:•http://www.hp.com•http://www.hp.com/go/storage•http://www.hp.com/go/svsp•http://

23. If you selected Without permissions in step 6, continue with step 28. If you selected Local domain:VSM Server or Local domain: UDH in step 6, clic

1. Do one of the following:a. Right-click the VDG that you want to snapclone.b. Select Manage > Snapclone Service > Create Snapclone Group. The

12. If you selected 'Local domain: VSM Server or Local domain: UDH' in step 5, continue with step15. If you selected Without permissions in

22. If you selected Without permissions in step 5, continue with step 32. If you selected 'Local domain:VSM Server or Local domain: UDH' in

3. In the Task name field, enter a name for the task.4. In the Destination name field, enter the name of the destination virtual disk that will be cre

19. If you selected a VSM Server host, continue with step 25. Otherwise, click Next. The Select LUNscreen appears. Select one of the following:• Next

11. In the Destination Name column, specify names for the destination virtual disks that will be createdby the task. You may do any or all of the foll

20. Select a DPM group and click Add. The DPM group you selected is displayed in the lower areaof the screen.21. Click Next. The Select preferred path

2. Select the Snapclone Task tab.3. Right-click a task.4. Select Manage > Resume. A confirmation screen appears.5. Click Finish. The task resumes.T

16 Using migrationThe migration service is the facility that copies and moves the data within VSM virtual disks from onestorage pool to another. Durin

1 Getting startedIn order to run the Virtualization Services Manager (VSM) client, the VSM software must be installedon a computer dedicated as a VSM

• Information Lifecycle Management (ILM)—As the value of data changes over time, migration enablesyou to migrate virtual disks to appropriate storage

DescriptionPropertyThe time at which the group was last modified.Modification TimeThe user who last modified the group.Modified ByViewing migration gr

DescriptionPropertyThe temporary name of the destination virtual disk of the task, specified as theauxiliary name when the migration group was created

DescriptionDisplay fieldThe reason why the operation is disabled.ReasonCreating migration groupsA migration group defines a source element for migrati

8. If you right-clicked the virtual disk that you want to migrate in step 1, continue with step 12.Otherwise, click Next. The Select Virtual Disk scre

1. Do one of the following:a. Right-click the VDG that you want to migrate.b. Select Manage > Migration Service > Create Migration. The Create M

15. In the Auxiliary Virtual Disk column, specify the names for all the auxiliary virtual disks. You maydo any or all of the following:• Click Set def

To suspend all tasks on a migration group:1. Right-click a migration group.2. Select Manage > Suspend. A confirmation screen appears.3. Click Finis

Built-in capacity protectionVSM features a built-in protection mechanisms for storage pools running out of free capacity. Theobjective of the protecti

17 Using mirroringThe mirror service enables you to mirror virtual disks asynchronously between domains, andsynchronously within a domain.In asynchron

5. If this is the first time you are connecting to a specific VSM server, select Connect to Server andenter the IP address of the VSM server in the Co

are created, you can create up to two additional tasks for additional destination virtual disks. Multipletasks can be defined per group, representing

The mirror service enables you to specify the number of PiTs to maintain on the source domain, pergroup, and the number of PiTs to maintain on the des

DescriptionPropertyThe status of the group. Possible values:• Normal—All tasks in the group are progressing normally.• Suspended—All tasks in the grou

DescriptionPropertyA configurable value that determines when an alert is triggered for cases in whichthe number of mirror PiTs on the group source ele

Async mirror group information—Async Mirror Task tabThe Async Mirror Task tab displays the tasks running on the selected async mirror group.Table 109

Async mirror group information—Source Domain's PiT tabThe Source Domain’s PiTs tab displays the mirror PiTs on the group source element. The tab

DescriptionPropertyThe size of the temporary virtual disk which holds the modifications made on thePiT. This field shows you how much capacity from th

• The virtual disk must not be a member of a VDG. (You can, however, create an asynchronousmirror group on a VDG.)• The virtual disk must not be the d

5. From the Data Mover mode dropdown box, select one of the following:• Any node–Select this option to allow VSM to select the VSM server that will ha

10. In the “Minimum creation time between two PiTs” field, enter the interval at which the mirrorservice should check for conditions suitable for crea

5. Click Finish. Your password is changed.Reconnecting to a VSM serverOnce you are running the VSM client, you can connect to a different active VSM s

28. If you would like to select a storage pool from a folder, navigate to the folder in the tree on theleft of the screen. The Select Storage Pool scr

8. Uncheck Create standard PiTs if you do not want the mirror service to create standard PiTs onthe group source element. If you uncheck Create standa

19. Select the destination domain for the group’s first task.20. Click Add. The domain you selected appears in the lower right area of the screen. If

Working with user PiTsA user PiT is a mirror PiT, the creation of which is triggered by a user, which is copied to thedestinations of all tasks runnin

To release the user PiTs on an async mirror group source element:1. Right-click the group.2. Select Manage > Release source User PiTs. A confirmati

3. Modify any of the following parameters, if required.Table 113 Async mirror group parametersDescriptionPropertyFrom the dropdown box, select one of

Suspending asynchronous mirror groupsWhen you suspend an async mirror group, all tasks are suspended and standard mirror PiT creationstops. While a gr

enables you to transfer production from a virtual disk to a mirror of the virtual disk without losingapplication data.Split is enabled only under the

back the destination virtual disk to that PiT, erasing other PiTs as necessary. The merge fails if themirror service cannot find any synchronized PiT.

11. From the User PiT Copy mode dropdown box, select one of the following modes for copying userPiTs:• Copy newest PiTs—When the time comes to start c

Figure 2 VSM client window elementsThe VSM client window features:• Menu—Provides the following menu options.Table 2 Menu optionsDescriptionMenu itemF

23. In the upper area of the screen, select the VSM server on the remote domain that you want tohandle the group’s tasks on the remote side.24. Click

8. If you would like to select a snapshot from a folder, navigate to the folder in the tree on the leftof the screen. The Select Snapshot(s) screen di

1. Right-click the group to which you want to add a task.2. Select Manage > Add Task. The Add Task wizard opens to the Enter Task parameters screen

5. In the Required destination PiTs field, enter the number of mirror PiTs of the source element thatshould be maintained on the destination storage p

Deleting async mirror tasksDeleting an async task deletes the task, the destination virtual disk of the task, and the PiTs on thedestination virtual d

Viewing sync mirror groupsYou can view all sync mirror groups in the sync mirror groups list.To display the sync mirror groups list:In the navigation

DescriptionPropertyThe mode of maintaining reallocation table virtual disks for the group’s tasks.Possible values:• Dirty Regions—The mirror service i

Sync mirror group information—Sync Mirror Task tabThe Sync Mirror Task tab displays the tasks running on the selected sync mirror group.Table 115 Sync

DescriptionPropertyThe status of the PiT.• Init—The PiT is being created.• Normal—The status of all the virtual disks from which the PiT is constructe

Sync mirror group information—Host Presentation tabThe Host Presentation tab displays information about the host with permission to access the sync mi

DescriptionMenu itemManage license keys.For more information, see the HP StorageWorks SAN Virtualization Servicesadministrator guide.LicensePerform ma

DescriptionPropertyThe current status of the host. Possible values:• Present— For VSM servers, this indicates that the host is polling to the activeVS

DescriptionPropertyThis setting indicates whether the DPM is the primary DPM for the virtual disk. Theprimary DPM for the virtual disk is the preferre

• The virtual disk has host permissions. To add host permissions to a virtual disk, see“Adding host permissions” on page 293.• The status of the virtu

Working with synchronous mirror groupsAdding host permission to a groupYou can add host permission to a sync mirror group under the following conditio

Removing host permissions from a groupTo remove permissions from a host, delete the host. If a host fails and cannot recover, you can replacethe host

the Resync operation. Resync is blocked during dirty progress. For information about how to try torecover from failures, see “Troubleshooting” on page

Working with synchronous mirror tasksAdding synchronous mirror tasksThis section describes how to add tasks to a synchronous mirror group.To add a tas

Using snapshots with synchronous mirrorsYou can create a snapshot PiT on a synchronous mirror group or on the destination virtual disk of asynchronous

TroubleshootingThe following tables suggest possible actions you can take when the status of a task or group indicatesa problem.Table 121 Possible act

Possible actionDescriptionTask statusTry to fix any failed tasks. Once fixed, try to resumethe group (see “Detaching synchronous mirrortasks” on page

ContentsAbout this guide ... 21Intended audience ...

DescriptionMenu itemDetach an asynchronous mirror group or task.Split an asynchronous mirror group.HelpOpen the online help.Display information about

Possible actionDescriptionTask statusTry to fix any failed tasks. Once fixed, try to resyncthe group (see “Resynchronizing synchronous mirrorgroups” o

Possible actionDescriptionTask statusWait until the group’s status returns to normal. Afterthe group’s status returns to normal, new managementoperati

Using mirroring302

18 Working with foldersVirtualization Services Manager (VSM) enables you to create folders in order to manage your entities.Many users find it difficu

Viewing folder informationYou can display detailed information about any listed folder or subfolder in the tabs area below thefolders list.To view fol

DescriptionDisplay fieldThe reason why the operation is disabled.ReasonCreating foldersWhen you create a new folder, you create a shell with no conten

2. Click Browse. The Select Folder dialog box appears.3. Navigate to and select the folder to which you want to copy the folder you are moving.4. Clic

• Add entities to folders• Move entities between folders• Remove entities from foldersViewing folder contentsYou can view the entities contained in fo

In the folders list area, select an entity. In the tabs area, tabs appear that are relevant to the type ofentity you selected.Adding entities to folde

CAUTION:If you right-click an entity in a folder and select Folder > Remove From Folder, the entity is removedfrom the folder, but not deleted from

Using the display areaFigure 3 shows the appearance of the display area when you select a node in the tree to whichobjects belong.Figure 3 Display are

Working with folders310

19 Searching VSMThe VSM client enables you to search for objects of a specific type in the local SVSP domain. Youcan save your search criteria to a qu

2. Specify your search criteria. You can do the following:Figure 50 The Search dialog box• Specify an exact object name, as follows: Enter the name in

NOTE:Click Reset at any time to clear your search criteria.3. If you want to save your search criteria to a folder, do the following:a. Check Add sele

5. Click Find. Your search results appear in a separate window.If you checked Add selected items to folder, your search results are saved to the selec

Figure 52 The Search dialog box—Advanced tabYou can add multiple advanced search criteria to the “Find items that match this criteria” box. Whenyou cl

Searching VSM316

20 Working with queriesThe VSM client enables you to query the objects on the local SVSP domain to find objects that matchcriteria that you define. Qu

Figure 53 The query listThe following properties are displayed, by default, for each query.Table 128 Query propertiesDescriptionPropertyThe row number

Query information—Security tabThe Security tab displays the access permissions of users and user groups for the selected query. Forinformation about c

• Double-click an object to display detailed information about the object in the tabs area. The nameof the object you double-clicked now appears at th

6. Click Finish. The new query is created.To add criteria to your query, go to “Adding criteria to queries” on page 320.Creating quick queriesQuick qu

3. Select the object type that you want to modify in your query. The Edit parameters dialog boxappears.Figure 54 The Edit Parameters dialog boxHP Stor

4. Specify your query criteria. You can do the following:• Specify an exact object name, as follows: Enter the name in the Name field. Check Matchwhol

Figure 55 The Edit Parameters dialog box—Advanced tabYou can add multiple advanced query criteria to the “Find items that match this criteria” box. Wh

4. If you want to remove all criteria, click Reset.5. If you want to remove specific criteria, clear the specific criteria fields.6. Click Apply. The

21 Managing security and usersThe VSM client provides a trusted and secure computing platform that enables you to protect yourinformation from a wide

2. Select the Security tab.Figure 56 The Options dialog box—Security tab3. Specify your general security options. Administrators and user managers can

• View the users list• View user information• Create new users• Configure user permissions• Configure users• Change user passwords• Delete users• Reas

DescriptionPropertyThe amount of the user’s quota that is reserved for creating snapshot PiTs andsnapshots.Snapshot Reserved Capa-cityThe percentage o

DescriptionPropertyAn icon indicating an object. Possible values:Type•—Permission template•—Snapclone group•—Snapclone task•—Migration group•—Migratio

2. Right-click any column heading. The “Format Columns of:” dialog box appears.Figure 4 Format Columns of: dialog box3. Do any of the following:• Cont

1. Do one of the following:• In the navigation tree, right-click the Users Management node and select New.• In the navigation tree, expand the Users M

8. Repeat steps 6 and 7 if necessary until all the objects you want to add to the user are listed inthe lower area of the screen.9. Click Next. A conf

2. Select Manage. The Manage User dialog box appears.Figure 59 Manage User dialog box3. In the General tab, you can configure any of the following:• T

4. In the 'Member of' tab, you can add the user to user groups or remove the user from user groups.To add the user to a user group:a. Click

Reassigning users’ quotasIf you are going to delete a user and the user created virtual disks, you can reassign the quota fromwhich the user created v

You can:• View the user groups list• View user group information• Create user groups• Configure user group permissions• Add users to user groups• Remo

To view user group information:In the user groups list, select a user group. The following tabs are displayed:• Properties—Provides the general inform

8. Repeat steps 6 and 7 if necessary until all the objects you want to add to the user group arelisted in the lower area of the screen.9. Click Next.

for each user and user group. A user or user group can be assigned any of the following types ofpermission for an entity.Table 137 Security permission

2. Click Add user/user group. The Add user/user group permission wizard opens to the Selectuser(s) screen.Figure 61 Add User/User Group permission wiz

Printing and savingYou can print the contents of the display area or save them to a text file.• To print the contents of the display area, select File

To change a user or user group’s permission for an entity:1. Do one of the following:• Right-click the entity and select Security.•Select the entity a

3. Click Remove user/user group. The users or user groups are removed from the list.4. Click OK. The Security dialog box closes.CAUTION:If you remove

2. Select Permission Templates. The permission templates list appears in the list area.Figure 63 The permissions templates listThe following propertie

Permission template information—Security tabThe Security tab displays the users and user groups included in the permission template and the accesstype

7. If you want to add the permission template to a folder, click Browse to browse to the folder. Thefolder must already be created. For information ab

Exporting permissions from entities to new permission templatesYou can create new permission templates by exporting existing permissions from entities

Managing security and users346

22 Using the VSM event viewerThe VSM client features an event viewer, which enables you to view and manage event logs. Eventlogs provide detailed hist

Viewing the event log for the local domainThe event log for the local domain is accessed through the Event Viewer node in the navigation tree.You can

DescriptionPropertyA description of the event.DescriptionThe event ID number.IDViewing event logs for specific entitiesThe VSM client enables you to v

DescriptionSettingCheck to include VSS generated snapshots and PiTs when the snapshotslist or a list of PiTs is displayed.Show VSS ViewsCapacity prese

2. Select Filter. The Filter Event Log dialog box appears.Figure 65 Filter Event Log dialog box3. Specify your filter criteria. You can do the followi

Viewing, copying, and printing event detailsWhen you are displaying an event log in the display area, you can view the details of any specificevent.To

Exporting event logsThe VSM client enables you to export event logs. The exported event logs can be imported into differentdomains. For more informati

6. Click Close. The event file is saved.Saving a selection of eventsYou can save one or more events from an event log to a text file. The resulting fi

6. Click Close. The imported event log appears in the expanded Event Viewer node in the navigationtree.Importing event logs from VSM serversThe VSM cl

2. Select Reload Web Server Log. A confirmation screen appears3. Click Finish. The web server log is cleared and the events are reloaded. If you navig

3. Click Add New e-Mail Group. The Create notification group dialog box appears.Figure 67 Create Notification Group dialog box4. In the Name field, en

Editing event log notification groupsTo edit an event log notification group:1. From the Tools menu, select Options > Event Log. The Options dialog

2. Click the Event Log Parameters tab.Figure 68 The Options dialog box—Event Log Parameters tab3. Configure your event log parameters. You can do the

23 Performing maintenance activitiesThe VSM client enables you to perform maintenance activities on VSM servers. Maintenance activitiesenable you to c

3. Change any of the settings, as required. Table 5 describes the settings.Table 5 Appearance settingsDescriptionSettingFrom the dropdown box, select

1. From the Tools menu, select Maintenance. The Maintenance dialog box appears.Figure 69 The Maintenance dialog box2. Click Erase Configuration. The S

8. Click Finish. The VSM server configuration is backed up.Creating the setup virtual diskWhen you first install VSM software on a VSM server, the dom

Creating SAN API virtual disksThe VSM client enables you to create SAN API virtual disks (also called SAN CLI virtual disks). SANAPI virtual disks ena

Performing manual VSM server electionsThe VSM client enables you to perform manual VSM server elections. An election examines the VSMservers and deter

2. Click Manage Multi Domain Access Path. The Manage Multi domain Access Path dialog boxappears.Figure 70 The Manage Multi Domain Access Path dialog b

2. Click Manage Limits. The Manage limits definition dialog box appears.Figure 71 Manage limits definition dialog box3. You can do the following:• Set

Performing maintenance activities366

GlossaryThis glossary defines acronyms and terms used with the SVSP solution.access path A specific series of physical connections through which a dev

Business CopySVSPAn HP StorageWorks product that works with SAN storage systems to providelocal replication capabilities within the SVSP domain, provi

HBA See host bus adapter.host In VSM, every server that uses VSM virtual disks. Servers that run as VSM serversare also considered hosts.host bus ada

2. Select the Configuration tab. The configuration options appear.Figure 5 Options dialog box—Configuration tabHP StorageWorks SAN Virtualization Serv

passive path A path that must have some operation (for example, a SCSI start unit commandthat is issued by the server) performed on it to make it acti

purposes such as data recovery, backup and testing, while the original virtualdisk stays online and continues to be updated.• A read-write entity that

virtual disk In VSM, a unit of storage allocated to one or more hosts from a storage pool. Avirtual disk can range in size from 1 GB to 2 TB. DPMs pre

IndexAAccess Path tabback-end LU information, 61HBA information, 165access pathsrefreshing, 66SVSP domain, 363addingtasks to VDG snapclone groups, 245

changingactive DPM, 121active DPM for snapshot, 224active DPM for VDG, 141host permissions, 118, 139host personality, 153password, 26preferred path, 1

Disabled Operations tabasync mirror group information, 266back-end LU information, 63domain information, 49DPM group information, 187DPM information,

Ffailbackperforming, 66virtual disks from DPM, 178failovervirtual disks from DPM, 177VSM server, 363filtering event logs, 349folder informationDisable

migration groupcreating, 253creating on VDGs, 254creating on virtual disks, 253deleting, 257Disabled Operations tab fields, 252property tab fields, 25

renamingback-end LUs, 66folders, 305queries, 324snapshots, 225VDGs, 141virtual disks, 114resumingasync mirror group, 276async mirror tasks, 283Import-

storage poolschanging free capacity alert threshold, 96creating, 91deleting, 96expanding, 93shrinking, 94viewing list, 85stripe set back-end LU tab fi

3. Change any of the settings, as required. Table 6 describes the settings.Table 6 Configuration settingsDescriptionSettingEnables alerts for cases in

User Quota tabuser information, 329virtual disk information, 107usersconfiguring, 331creating, 329deleting, 333reassigning quotas, 334viewing list, 32

virtual diskschanging LUN, 120creating, 109defining as clustered, 121deleting, 123expanding, 115managing permissions, 115properties, 101renaming, 114r

382

From the Tools menu, select Configure Properties. The VSM Properties dialog box appears. The VSMProperties dialog box displays the following informati

4 Working with VSM servers ... 51Viewing the VSM server list per domain ...

Getting started40

2 Allowed operationsThis chapter provides you with a matrix that shows which operations can be performed using anexisting task from the VSM GUI. In Ta

Table 8 SVSP allowed-operations matrixAllowed to create:VSSAsyncMirrorSyncMirrorMi-grateSnap-cloneSnapshot:createsnapshotSnapshot:create PiTStart with

3 Working with SVSP domainsA SAN Virtualization Services Platform (SVSP) domain is a collection that consists of:• VSM servers. An SVSP domain has two

Figure 6 The SVSP domains listThe following properties are displayed, by default, for each SVSP domain.Table 9 SVSP domain propertiesDescriptionProper

DescriptionPropertyThe type of connection over which the SVSP domain is recognized by the localdomain. Possible values:• Local—The SVSP domain is the

Domain information—VSM tabThe VSM tab displays the VSM servers that comprise the selected domain.Table 10 Domain VSM tab fieldsDescriptionPropertyThe

DescriptionPropertyThe number of data moving tasks currently being handled by the VSM server. Thisenables you to see the distribution of tasks between

DescriptionProperty nameHP StorageWorks VSM does not support the use of data movers. This numbershould always be zero.No. of Data MoversLUNsThe number

Domain information—Remote Pool tabThe Remote Pool tab displays status and capacity information for the storage pools on the selecteddomain. You can us

Storage pool information—Disabled Operations tab ... 91Creating storage pools ...

Working with SVSP domains50

4 Working with VSM serversA VSM server performs both management and data moving tasks.You can:• View the VSM server list per domain (view the VSM serv

DescriptionPropertyThe type of connection over which the remote VSM server is recognized by thelocal VSM servers in the local domain. If the VSM serve

3. Select a VSM server from the list. The following tabs are displayed:• Properties—Displays the VSM server properties described in Table 15.• DM Task

DescriptionPropertyThe name of a source, which may be a virtual disk, VDG, snapshot, or VDGsnapshot on which the selected VSM is currently running a d

5 Working with back-end LUsVirtualization Services Manager (VSM) detects all back-end logical units (LUs) that the SAN presentsto the VSM server. The

2. Click the Back-End LU node. The Back-End LUs list appears in the list area. The following propertiesare displayed for each back-end LU.Table 19 Bac

DescriptionPropertyThe vendor of the physical storage system exposing the back-end LU.VendorThe model of the physical storage system exposing the back

• Security—Shows which permissions are assigned to users and user groups for managing the back-end LU.• Disabled Operations—Shows which operations you

DescriptionDisplay fieldThe status of the stripe set. Possible values:• Normal—All of the back-end LUs in the stripe set are present and accessible.•

Managing VDG permissions ... 136Adding host permissio

DescriptionPropertyThe state of the virtual disk. Possible values:• Create—The active VSM server is creating the virtual disk. The VSM serverallocates

Back-end LU information—Back-End LU Segment tabThe Back-End LU Segment tab shows the mappings of virtual disks to segments of the selected back-endLU.

DescriptionPropertyAn ID that the HBA on the VSM server assigns to each storage system controllerport. Windows reports the target ID on back-end LU pr

DescriptionDisplay fieldThe type of access permitted to the user or user group. Possible values:• Full—The user or user group has permission to modify

• Displaces some data to the backup space and writes a VSM signature to the back-end LU.• Configures the imported back-end LU as a member of the same

8. Click Add. The storage pool you selected appears in the list in the lower right area of the screen.If you want to change your selection, select the

2. Select Manage > Resume Import-in-Place. A confirmation screen appears, describing the operationthat will be performed if you proceed.3. Click Fi

2. Select Manage > Rename. The New Name wizard appears.Figure 8 New Name wizard3. In the New name field, enter the new name for the back-end LU.4.

Working with back-end LUs68

6 Working with stripe setsStriping helps with load distribution, which might improve performance in some cases. With striping,an application can concu

DPM information—Disabled Operations tab ... 177Failing over virtual disks from a

2. Click the Stripe Set node. The stripe sets list appears in the list area. The following properties aredisplayed for each stripe set. A partial set

DescriptionPropertyThe number of sectors on each LUN that are not virtualized by VSM. VSMleaves these sectors free for native operating systems to wri

DescriptionDisplay fieldThe name of the back-end LU.If the back-end LU is exposed to VSM through an FC fabric switch, the name isthe world wide port n

DescriptionDisplay fieldThe time of the last modification to the back-end LU configuration in VSM. Themodification may be the addition or removal of t

Stripe set information—Virtual Disk tabThe Virtual Disk tab displays information about all virtual disks that are mapped to the selected stripeset. A

DescriptionPropertyYes indicates that the virtual disk is defined as a cluster resource. This setting tunesthe SVSP system behavior when the virtual d

DescriptionDisplay fieldThe number of the LBAs in the stripe set mapped to the virtual disk.LBA CountThe time of the last modification of the virtual

Creating stripe setsYou can create a new stripe set from back-end LUs with the status present. This status means that theback-end LU is present on the

6. Click Next. The Select Back-End LU(s) screen appears.Figure 11 Create Stripe Set wizard—Select Back-End LU(s) screen7. Select a back-end LU that yo

1. From the navigation tree, navigate to the back-end LU you want to add to a stripe set. To list allback-end LUs, select the Back-End LU node. To lis

Changing the active DPM for a snapshot or VDG snapshot ... 224Renaming snapshots or VDG snapshots ...

3. Select Manage > Back-End LU relations > Add Back-End LU. The Striped Disks wizard opens tothe Add Back-End LU screen.Figure 13 Striped Disks

1. From the navigation tree, navigate to the back-end LU you want to remove from a stripe set. Tolist all back-end LUs, select the Back-End LU node. T

Adding stripe sets to storage poolsA stripe set must belong to a storage pool before you can allocate virtual disks from the stripe set. Astripe set c

2. Right-click the stripe set.3. Select Manage > Storage Pool Relations > Remove from Storage Pool. A confirmation screenappears.4. Click Finish

Working with stripe sets84

7 Working with storage poolsA storage pool is a set of back-end LUs from which you can create virtual disks and assign them tohosts. Storage pools ena

2. Click the Storage Pool node. The storage pools list appears in the list area. The following propertiesare displayed for each storage pool.Table 34

• Virtual Disk—Provides information about each virtual disk that is allocated from the storage pool.• Storage Pool Segment—Shows the mapping of logica

DescriptionDisplay fieldThe status of the back-end LU or stripe set.Possible values for the status of the back-end LU:• Present—VSM recognizes the bac

DescriptionPropertyThe state of the virtual disk. Possible values:• Create—The active VSM server is creating the virtual disk. The VSM serverallocates

Creating asynchronous mirror groups on VDGs ... 270Working with user PiTs ...

Storage pool information—Storage Pool Segment tabThe Storage Pool Segment tab shows the mapping between logical block addresses (LBAs) on eachback-end

DescriptionDisplay fieldThe type of access permitted to the user or user group. Possible values:• Full—The user or user group has permission to modify

3. Select New. The Create Storage Pool wizard opens to the Enter storage pool parameters screen.Figure 16 Create Storage Pool wizard—Enter Storage Poo

14. Click Next. The Select folder screen appears.15. If you want to add the storage pool to a folder, enter the folder name in the Folder field or cli

3. Select Manage > Expand. The Expand wizard opens to the Select Back-End LU(s) screen anddisplays the list of available back-end LUs.Figure 17 Exp

1. Right-click the back-end LU.2. Select Manage > Storage Pool relations > Remove from Storage Pool. The Remove from StoragePool wizard opens to

Changing storage pool free capacity alert thresholdIf the free capacity of a storage pool drops below a configurable percentage of the total capacity,

NOTE:Disk allocation includes snapshots and snapclones, as well as virtual disks.To delete a storage pool:1. From the navigation tree, navigate to the

Working with storage pools98

8 Working with virtual disksA virtual disk is disk capacity allocated from one or more storage pools to one or more hosts.To create a standard virtual