HP StorageWorks Enterprise Virtual Array Cluster FIO Starter Kit Guida Utente

HP StorageWorksEnterprise Virtual Array Cluster AdministratorGuideThis guide provides information for a storage administrator on how to manage the HP

Romanian recycling notice ... 191Slovak recycling notice

3. Click Next. The Confirm Installation window appears.4. If you want to make changes to your installation, click Back until you arrive at the window

6. Make sure that the SVSP VSS hardware provider is recognized by VSS by opening a DOScommand prompt window (click Start > Run, and type cmd), typi

8. To add a user that the SVSP VSS hardware provider will use for interfacing with the VSMs, typeSaHwConfig AddUser <domainname> <username>

7. In the DOS command prompt window on the host server, type vshadow.exe -p m: and pressEnter.This command creates a persistent shadow copy on drive m

Figure 20 Results of the vshadow.exe -p m: command in the DOS command prompt window.Figure 21 shows an example of the hierarchical snapshot structure

8. In the DOS command prompt window on the server, mount the view by typing vshadow.exe-el={Snapshot ID},k:\ and pressing Enter.The vshadow.exe -el={S

• Backup server• Backup client or clients• Backup media serversThe backup server runs the backup software and manages the backup process by communicat

Figure 23 Example of a disk drive acting as a media server.Figure 24 shows the attributes of the backup policy. Note that this policy is configured to

Figure 24 Backup policy attributes.Figure 25 shows that VSS was selected as the snapshot method for use. VSS was selected throughthe Advanced Snapshot

on all VDG members. VDGs are often used to encapsulate data files and log files of the same databaseinto a one entity.From a server perspective, the d

FiguresRacked EVA Cluster ... 141Install/Restore License

Microsoft Volume Shadow Copy Service110

10 Site failover recovery with asynchronousmirrorsThe asynchronous mirror decision tableWhen using an asynchronous mirror group pair, some actions and

Editing (setting) propertiesResult on destination asyncmirror groupResult on source asyncmirror groupAsync mirrorgroup to specifyTaskProperties are ch

Result on destination asyncmirror groupResult on source asyncmirror groupAsync mirrorgroup to specifyTaskRemote replication to the des-tination is all

11. Each SVSP domain now sees the VSM servers of the other SVSP domain with status degradedbecause the FC HBAs that previously used to connect the SVS

7. Wait until the PiT you created is copied to the destination.8. Suspend the group.9. Split the group.10. Log in to the DR site's SVSP domain.11

1. Connect to the main site's SVSP domain and prepare the virtual disk for a merge, as follows:a. Verify that the virtual disk exists.b. Detach t

4. Assign the host permission to use the recovery virtual disks with HP Command View SVSP.a. Select the specific DR element that you want to recover,

3. Perform a controlled failback of each virtual disk to the new main site, as follows:a. Plan a downtime window for the application, based on the org

11 Configuration best practicesSAN topologyThe SAN configuration for the EVA Cluster contains four fabrics while the standard SVSP configurationcontai

TablesVSM license types ... 171License capacities ...

SAN switchesAll switches on a fabric must be from the same vendor. It is permissible for one fabric to containswitches from one vendor and the other f

Setup volumes might be spread across different arrays for additional redundancy, but remember thatall writes are mirrored, and therefore the slowest p

from the EVA to the DPMs. In that case, 16 back-end volumes would be the recommended minimumnumber of volumes for the pool, while 32 back-end volumes

Storage pool size considerationsWhen comparing small pools to large pools, the large pools have an advantage. Because there arefewer, they are easier

Configuration best practices124

12 Backup and restoreThis chapter describes how to backup and restore the VSM configuration database and the DPMconfiguration information.Backing up a

CAUTION:Possible loss of data access—You can safely restore the VSM setup database from backup only ifthe system does not have PiTs. If PiTs exist, ei

1. Login to the DPM as admin.2. To upload the saved config file you want use, type this command and press Enter.load config <file name>where <

Backup and restore128

13 Basic maintenance and troubleshootingThis chapter describes how to solve problems you might encounter after installing and configuringthe HP Storag

1 HP EVA Cluster overviewThe Enterprise Virtual Array (EVA) Cluster is rack installed at the factory and set up on site by HPServices. Two EVA6400s or

Corrective actionProblemCheck the DPM status LEDs. An amber LED may showas solid or blinking.• A solid amber indicates the DPM failed to completethe b

Corrective actionProblem• Verify that there is adequate free space in the pool.• Verify that the pool is in a normal status. MissingEVA or MSA virtual

Presentation problemsTable 9 Presentation problemsCorrective actionProblem• Verify that the correct preferred path is configuredwith HP Command View E

Administrative problemsTable 10 Administrative problemsCorrective actionProblemReport the problem to HP support. The setup databasewill have to be mod

VSM server LUN maskingTo verify a proper LUN masking configuration on the VSM server, open the VSM management interfaceand go to the back-end LUs. Mak

14 Support and other resourcesContacting HPFor worldwide technical support information, see the HP support website:http://www.hp.com/supportBefore con

1. Add VSM SaSnap icon to the desktop.a. Click the Windows Start button.b. Highlight All Programs.c. Highlight SVSP.d. Right-click on SVSP SaSnap, hig

c. Select Full and click OK.d. Repeat these steps for all other VSMs at the second site.NOTE:If you are not using HP Continuous Access SVSP, you still

8. Click the ... button to set the output path.NOTE:The SaSnap process can cause the local drive to run out of free space over time as filesaccumulate

9. Upload the collected log files to HP support.a. Open Windows Explorer.b. Navigate to the output directory selected during the VSM SaSnap process.c.

Ethernet switch5HP Command View server1EVA6VSM server2Expansion cabinet (optional)7Data Path Module3Fibre Channel switch4Figure 1 Racked EVA Cluster.H

Related informationThe following documents [and websites] provide related information:• HP StorageWorks Command View EVA User Guide• HP StorageWorks C

ElementConvention• Code variables• Command variablesMonospace, italic textEmphasized monospace textMonospace, bold textWARNING!Indicates that failure

HP product documentation surveyAre you the person who installs, maintains, or uses this HP storage product? If so, we would like toknow more about you

A Using VSM with firewallsTo protect you system against unauthorized access from outside your network, enable WindowsFirewall. However, a number of po

2. On the General tab, verify that the firewall is On (enabled).3. Click the Exceptions tab.4. Select File and Printer Sharing and click the Edit butt

10. Enter a name and port number for the entries below.NOTE:The VSM Status Monitor is already displayed by default.11. Click OK.Enterprise Virtual Arr

Windows 2008The HP Command View SVSP GUI, the SVSP product, and the VMAs use the ports listed below. If theVMA is running a firewall, these ports must

2. Select Go to Windows Firewall. Ensure that Windows Firewall is turned on.3. Select Windows Firewall Properties. The Windows Firewall with Advanced

4. On each of the Domain Profile, Private Profile, and Public Profile tabs, select Settings > Customize,and ensure that under Firewall settings, Di

6. Select the Advanced tab and ensure that All Profiles is selected.7. Repeat the above steps to open the inbound ports, then open the Outbound Rules

• Fibre Channel disk enclosures—Contains up to 12 disk drives, power supplies, fans, midplane,and I/O modules.• Fibre Channel Arbitrated Loop Cables—P

Using VSM with firewalls150

B Adding arrays to the EVA ClusterAdding a new arrayThe following guidelines must be observed when adding arrays to the domain:• An array must be atta

Adding EVAsWhen using HP Command View EVA to create back-end LUNs on the EVA that will be presented tothe SAN Virtualization Services Platform domain

2. Click the Manage option, click Create a vdisk from the drop-down menu, and then select AutomaticVirtual Disk Creation (Policy-based). The following

4. Click Create New Virtual Disk and a processing message appears, as shown on the followingscreen.5. After the virtual disk and volumes are created s

Adding non-HP branded arraysThe general process is:1. Create a LUN using the array's management software with properties similar to those of an E

Adding arrays to the EVA Cluster156

C Deploying VMware ESX Server with SVSPFor current information regarding VMware and SVSP, see the HP StorageWorks SAN VirtualizationServices Platform

Deployment stepsBefore actually configuring the environment it is very important to carefully plan the environment andthe deployment steps after takin

5. Assign permissions to the other servers in the cluster.There is one complication on imported VMware disks: If the LUN is a Raw Device Mapped (RDM)L

• Data migration• Local replication (point-in-time copies, snapshots, and snapclones)• Asynchronous remote replicationA command line interface (CLI) c

3. Follow the HP StorageWorks Command View SVSP User Guide for instructions on how to createa virtual disk from that storage pool.4. Follow the HP Sto

1. Using the VMware VI client GUI, choose the ESX server, select the Configuration tab, and thenclick the Advance Settings link. On the left menu wind

4. Under the Storage Adapters window, chose QLA/LP HBA and then select Rescan. Make sureScan For New Storage Devices and Scan for New VMFS Volumes are

NOTE:At this time, the only supported multipath policy is Most Recently Used (default).VMware storage administration best practicesRescan SAN operatio

• Install the HP SVSP VSS hardware provider within the Windows OS running on the virtual machine.For more information on the SVSP VSS hardware provide

4. While the server is rebooting, at the BIOS level, verify the SVSP virtual disk was recognized bythe HBA BIOS.5. In the ESX install wizard, verify t

2. Select the Disk configuration option and scroll down to the Disk,DiskMaxIOSize option, andchange the value in the field to 1024.3. Apply the change

D Configuration worksheetsUse these worksheets to document the names, IP addresses, and other important information for yourSAN Virtualization Service

Configuration worksheets168

E SpecificationsThis appendix contains the specifications for the HP StorageWorks SAN Virtualization Services PlatformData Path Module (DPM) and the H

on a certain amount of capacity. The basic unit of software license capacity is 1 TB. Most operationsuse license capacity. For example, configuring a

Device managementDescriptionFeatureSerial port, SSH, telnet, web browser, SOAP/XML, SNMP interfacesAccess• 10/100/1000 Ethernet RJ-45 for management (

RegulatoryThe Data Path Module has the following certifications:• UL• CE• cUL• FCC• TUVVSM serverEnvironmentalValueSpecificationTemperature range110°C

ValueSpecificationInput requirement100 VAC to 240 VACRated input voltage50 Hz to 60 HzRated input frequency7.1 A (at 120 VAC); 3.5 A (at 240 VAC)Rated

F Regulatory compliance noticesThis section contains regulatory notices for the HP ______________________.Regulatory compliance identification numbers

of this equipment in a residential area is likely to cause harmful interference, in which case the userwill be required to correct the interference at

Class B equipmentThis Class B digital apparatus meets all requirements of the Canadian Interference-Causing EquipmentRegulations.Cet appareil numériqu

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3. Click Install/Restore License Key.Figure 2 Install/Restore License Key screen of the Launch AutoPass window.4. In the File path field, enter the pa

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The following table describes the capacities listed in the License dialog box. Each capacity featuresits total amount, the amount used, and the amount

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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

front-side path A path between the host (host bus adapter) and the Data Path Module.Group In VSM, a virtual container that defines one or more element

Legal and notice information© Copyright 2010 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP required f

HP EVA Cluster overview20

migration A VSM service that migrates virtual disks from one storage pool to another whilethe host application remains online.mirror A VSM service tha

SAN Storage Area Network. A network specifically dedicated to the task of transportingdata between storage systems and servers. SANs are traditionally

target port A Fibre Channel port capable of presenting one or more SCSI LUNs to servers.A target is also known as the destination of a server's I

VSS freeze A period of time during the shadow copy creation process when all services(writers) have flushed their writes to the volumes and are not in

Glossary204

IndexAaddingarray, 151EVAs, 152MSAs, 152new back-end LUs, 155servers, 21administrative problems, 133arrayadding, 151non-HP branded, 155retiring, 90arr

EEmulex HBAs, multipathing, 29European Union notice, 175EVAsadding, 152presentation problems, 132FfailoverDR site after problem, 115main site lost, 11

PPerfmonfunction, 80set up, 78troubleshooting, 81Performance Monitor, 81persistent bindingEmulex HBAs, 29QLogic HBAs, 29presentationproblems, 132VSM L

VSM CLI host package, 87VSM CLI virtual disk, 87VSM management softwaremonitoring setup volume, 81VSM serverspecifications, 171VSS on virtual machine,

2 Adding servers to the HP EVA ClusterThe EVA Cluster begins with a starter kit of cluster components, virtualization software (VolumeManager, Busines

3. Uninstall SVSP MPIO from the system. For example:# installp –u devices.fcp.disk.HP.svsp.mpio.rteVerify that it has been uninstalled properly. For e

6. Uninstall the SVSP MPIO from the system. For example:# installp –u devices.fcp.disk.HP.svsp.mpio.rteVerify that it has been uninstalled properly. F

2. Partition alignment:• Align partition with diskpart.exe for Windows 2000 or 2003, non SP1:a. Download diskpart.exe from the Windows 2000 kit and pl

5. Align a partition with diskpart for Windows Server 2003.a. Open a command prompt, type diskpart.exe, and press Enter.b. Type list disk. Note the di

3. # cd /tmp/hpmpio4. # gunzip devices.fcp.disk.HP.svsp.mpio.rte.1.0.0.1.aix.5.2.bff.gz5. # smitty install_latestCOMMAND STATUSCommand: OK stdout: yes

1. Install the failover QLogic multipath driver.2. Before mapping any LUNs to the host, open the SANsurfer GUI and choose the first port.3. Select the

1. Enable MPxIO:a. The MPxIO driver is installed and disabled by default on Solaris 10 SPARC servers for FibreChannel devices. To enable MPxIO, type #

QLogic HBAs with WindowsTo enable persistent binding with QLogic HBAs:1. Launch Sansurfer. This application can be downloaded from hp.com or qlogic.co

Contents1 HP EVA Cluster overview ... 13Hardware ...

4. Bind to the WWPN by clicking on a Target WWPN, and then clicking the Add Binding button.Either accept the default entries or change them as appropr

2. Right-click and select New.3. Follow the prompts.4. Present to a previously defined UDH.5. On the server (UDH), discover the new LUN.Defining hosts

7. Follow the VMware instructions to create a DATASTORE and to make the newly discovered virtualdisk visible to a guest operating system.Windows serve

3 ZoningZoning is a critical part of the configuration process for HP SVSP since it can directly impact thecapacity, stability, and performance of the

• Use zoning objects, often called aliases, on the switch as zone members. Zoning objects allowyou to create logical representations on the switch of

NOTE:Since a VSM port can act as either a target or initiator, having ports from the same VSM in asingle zone can lead to unpredictable behavior and s

Figure 4 Five zone types.Table 3 Example naming convention for zone typesExampleNaming templateZone typeHOSTA_5a46_DPM1_0320_DPM2_0340<Host Name>

NOTE:• The zoning templates shown in this section refer to a single domain with DPM pair configurationsthat have two or four licensed quads on the DPM

Figure 7 Single VSM dual-port configuration.Figure 8 Host server dual-port configuration.DPM-host zoningA DPM-Host front-end zone is used to give a ho

• Use one operating system in each individual DPM-Host zone. This can be done by implementingonly single initiator port zones as previously discussed

DPM-VSM zoning ... 42VSM-storage zon

Figure 11 Zoning between two servers with two HBAs and two quads of a DPM pair.DPM-storage zoningA DPM-Storage back-end zone is used to give the DPM a

Figure 12 Zoning between 2 dual-port controllers and first quad of each DPM.Figure 13 illustrates full zoning between a dual, quad-port controller bac

the active non-optimized paths for reads to a LUN results in internal proxy I/Os between storagecontrollers and should be avoided.The DPM has a back-e

Figure 14 Zoning between VSMs and first quad of a DPM pair.VSM-storage zoningA VSM-Storage back-end zone is used to give the VSM access to the ports o

VSM-VSM zoningThe VSM-VSM zone allows the VSMs in an HP SVSP configuration to communicate with each otherover the SAN in order to determine VSM connec

4 HP StorageWorks ManagementInfrastructureThe HP StorageWorks Management Infrastructure is installed with the HP Command View SVSP client.HP Command V

Configuration interface – registry page quick tourThe Registry page allows you to view registry entries.HP StorageWorks Management Infrastructure46

Security interface – Management Group page quick tourThe Management Group page allow you to view key characteristics of a Management Group, changeauth

Management Infrastructure conceptsDiscoveryAll machines with Management Infrastructure software which are on the same LAN can automaticallydiscover an

Available OS security domains, page 66Local service port, page 66Management Group management service port, page 67User interface integration (SPoG and

Web service IP address (IPv4/IPv6) ... 63Discovery configuration settings

Configuration settings and service startupWhen Management Infrastructure software is first installed on a machine, the default settings areapplied and

When browsing to an Management Infrastructure interface, if there is no trusted certificate authorityin the Management Infrastructure environment to a

Machines with Management Infrastructure software on a LANThe HP Management Infrastructure software on SVR01 and SVR07 was automatically installed aspa

Reorganized into fewer Management GroupsOr, assume that you would like all of the machines to participate in single sign-on. You could makeany four of

• In Management Groups that include multiple machines, configure more than one machine as anOS security domain authenticator. This practice prevents l

When browsing to a Management Infrastructure interface, if there is no trusted certificate authorityto attest to the certificate, then connection to t

6. Click Install Certificate. The Certificate Import wizard opens.a. Click Next.b. Select Place all certificates in the following store and click Brow

• When browsing from a server which is running Windows Server 2008, the server's IE EnhancedSecurity must be turned off.Procedure1. Browse to a M

Using the configuration interfaceBest practices• Avoid simultaneous configuration sessions for a given machine.Although Management Infrastructure soft

1. Browse to the Management Infrastructure configuration interface for the machine and log in. TheConfiguration page opens.2. Expand the General panel

Pool monitoring ... 85Global mech

• Viewing an Management Infrastructure interface requires a supported browser and Flash Playerplug-in. Supported browsers and Flash Players are listed

Viewing configuration guidelinesManagement Infrastructure configuration guidelines appear in the:• Management Infrastructure configuration online help

General configuration settingsAudit file max ageThis general setting establishes the number of calendar days that Management Infrastructure auditfiles

Logging levelThis general setting specifies the level of detail that is recorded in an Management Infrastructure logfile.• The default is 1 (least det

Discovery configuration settingsDiscovery intervalThis discovery setting establishes how often Management Infrastructure software performs discoveries

Non-local registry entry time-outThis discovery setting establishes how long Management Infrastructure software waits before it removesnon-local entri

Security configuration settingsThe following topics describe configuration settings for the Management Infrastructure security function.See also “Secu

Management Group communication service portThis security setting establishes the port for the Management Group communication web service.• The default

interval causes Management Infrastructure software to check for trees less often, which decreasesnetwork traffic but also decreases interface responsi

Tree integrator portThis security setting establishes the port for the Management Infrastructure tree integrator web service.• The default is 0 (zero)

Setup volume configuration ... 120Building basic st

4. Click Move Machine. The Move Machine wizard opens.5. Click Next.6. On the Select Destination Management Group page, select New Management Group, en

• If the machine that you choose is the only member of the existing Management Group, then thewizard will delete the existing group.1. Identify the ta

Navigation methods and key combinations are as follows:KeyCommon navigationSpacebarClick (activate) a selected elementTabMove forward through settings

• Message: Unable to communicate with security component on the local ma-chine. Verify local Management Infrastructure security component isstarted an

HP StorageWorks Management Infrastructure74

5 Monitoring the SVSP domainThis chapter describes how to set up monitoring for an SVSP domain using administrative tools.Array workload concentration

HP Command View SVSP GUIFor best maintenance performance, open the HP Command View SVSP GUI on a daily basis andlook for changes to the objects status

HP Command View SVSP Event LogYou can review the HP Command View SVSP Event Log for this information:• Critical events• Errors• Warnings• InformationA

Setting up PerfmonPerfmon should be run from a remote server so as not to interfere with VSM performance. Install theapplication on the server, and th

5. In the log settings window, click Add Counters.6. In the drop-down box under select counters from computer, choose or enter the IP address of theVS

Importing the VMware datastore ... 158Configuration ...

Using Perfmon counters to logPerfmon has many counters available, but your data becomes harder to monitor if you have to sortthrough too much. To lear

Troubleshooting PerfmonTable 5 describes potential Perfmon problems and possible corrective actions.Table 5 Troubleshooting PerfmonCorrective actionPr

monitored objects (Pages/sec, Avg. Disk Queue Length and % Processor time). They can be removedby using the Delete key or clicking the delete icon (X)

The following table describes the available counters and what they measure.ExplanationCounter nameMeasures the average time it takes to complete a rea

RecommendationsThe VSM servers may be set up with Integrated Lights Out (iLO) to allow for remote monitoring. Thisrequires two additional IP addresses

Monitoring license useTo monitor license use, routinely check the License dialog box with the HP Command View SVSP GUI.Monitoring capacity utilization

• Emergency (2% free)• Delete all PiTs (starting from the oldest)Individual mechanismsPercentage on an individual virtual diskWhen free capacity drops

6 Installing the VSM command line interfaceThe Virtualization Services Manager (VSM) command line interface (CLI) provides scripting capabilitiesthat

Solaris 9 and 10 operating systemsInstall this package:VSMCLI.5.1.29a.0.pkgWindows 2003/2008 operating systemsRun one of these executables :• VSM CLI

7 Removing devices from the domainThis chapter provides a set of steps or checklists for what is to be done when deleting objects ordevices from the d

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5. Delete the pool and any associated stripes sets.Deleting back-end LUs1. Follow the Deleting or reusing capacity procedure above to first identify a

9. Remove all DPM-to-array and VSM server-to-array zone sets.10. Turn off power to the array and detach it from the SAN.Deleting hostsFrom a VSM persp

Removing devices from the domain92

8 Boot from SVSP devicesThis chapter outlines the process for booting from the SAN with the various operating systems supportedby the SAN Virtualizati

7. Continue installing the OS on the new root disk. If previous network settings are not being reused,configure the network settings when prompted dur

2. Map a LUN to the virtual machine as described in the chapter titled “Creating Virtual Machines.”Specifically, follow the instructions in the sectio

14. When a Windows cannot verify the digital signature for this file messageappears on the Windows Boot Manager screen, press Enter, followed by F8. C

9 Microsoft Volume Shadow Copy ServiceThe Volume Shadow Copy Service (VSS) captures and copies stable images for backup on runningsystems, particularl

• Unified interface to VSS. VSS abstracts the shadow copy mechanisms within a common interfacewhile enabling a hardware vendor to add and manage the u

1. Run the SVSP VSS installation file. You can find the SVSP VSS installation file on the VSMinstallation CD or you can download the file on the web.