Hp XP Continuous Access Software Manuale Utente

HP StorageWorksXP Continuous Access Journal User GuideHP XP12000 Disk ArraynlHP XP10000 Disk ArraynlHP 200 Storage Virtualization SystemAbstractThis d

2 Overview of XP Continuous Access JournalXP Continuous Access Journal provides a RAID storage-based hardware solution for disasterrecovery that enabl

9. Click Apply to delete the logical paths.NOTE: If an error occurs, the right-most column of the Preset list displays the error code. Toview detailed

Figure 47 DKC Status pane• List:No.: Serial numbers used for rows in the list.◦◦ Path Status: Logical path status (see Table 27 (page 102)).◦ Port: Po

Table 27 Logical path statusRemarksStatusThis path was successfully established and can be used forXP Continuous Access Journal remote copy activities

7. Select DKC Operations and Delete DKC. A confirmation message appears.8. Click OK to close the message.9. In the Preset list, check the settings you

5 Using journal groupsTo introduce XP Continuous Access Journal in your system and configure your system for remotecopy operations, the primary and se

Journal Operation pane componentsFigure 48 Journal Operation pane (XP12000)Figure 49 Journal Operation pane (XP10000)• Tree: Lists journal groups in t

NOTE: The tree displays journal groups used with XP Continuous Access Journal, and doesnot display journal groups used with Hitachi Universal Replicat

One row in this list represents one mirror (or one journal group).◦ JNLG: Number of a journal group in the local array.◦ Attribute: Attribute of a jou

The primary and secondary data volumes are not synchronized. Either ofthe following:– The operation for splitting the mirror is finished.– The operati

– Pairsplit -S: Delete a mirror– Blank: Nothing occurs when you click Apply◦ Preset: The number to the left of the slash (/) is the number of items di

Figure 1 XP Continuous Access Journal components for Fibre Channel connectionsJournal obtainThis function stores pre-existing primary volume data cont

5. In the Free Volumes list of the Edit JNL Volumes pane (Figure 50 (page 111)), select the volumesyou want to register.In the Free Volumes list, one

9. Click Apply to register journal volumes. After volumes are registered, the journal groups aredisplayed below Registered in the tree.NOTE: If an err

• Free Volumes: Information about free volumes, which are not registered in journal groups.Parity Group: Parity group where a volume belongs.◦NOTE: If

• JNL Group: Journal group's number.• Current: Number and capacity of journal volumes that currently exist in the journal group.• Total: Estimate

8. In the Preset list, check the volumes you want to delete.• To add volumes to delete, right-click a volume in the Preset list, and select Modify. A

Figure 53 JNL Group Detail pane• JNL Group: Journal group's number.• Attribute: Journal group's attribute. When the journal group uses multi

• Inflow Control: Indicates whether inflow of update I/Os to the journal volume is restricted (inother words, whether to slow the delay response to ho

◦ 10 is recommended if the line speed is from 10 Mbps to 99 Mbps.◦ 100 is recommended if the line speed is from 100 Mbps to 255 Mbps.◦ 256 is recommen

◦ Status: Status of a journal group (or a mirror) in the local array.Journal group in initial status.Journal volumes are registered in this journal gr

NOTE: The controller ID for an XP12000/XP10000 is 4.◦ Path Watch Time (min): Time for monitoring blockade of paths to the remote array. If thestatus o

ComponentsXP Continuous Access Journal operations involve local arrays at the primary and secondary sites,physical communications paths between these

4. In the Change JNL Option pane (Figure 54 (page 120)), change journal group options, andclick Set.CAUTION: If the journal group's status is Act

NOTE: If you select Yes and the metadata or journal data is full, update I/Os might stop.NOTE: Secondary array administrators cannot change this optio

• Path Watch Time (1 to 60 min): Interval beginning when a path is blocked and ending whena mirror is split (suspended).This value must be from 1 to 5

• Forward Path Watch Time: Specifies if the master journal group's Path Watch Time value isforwarded to the restore journal group. If the Path Wa

NOTE: You cannot delete master and restore journal groups. You can only delete journal groupswhose attribute is Initial.1. Ensure that XP Command View

9. Click Apply.NOTE: If an error occurs, the right-most column of the Preset list displays the error code. Toview detailed information about the error

3. Do one of the following:• In the tree, select a master journal group ( ) or restore journal group ( ) from below• In the tree, select Journal Group

5. Select and right-click the mirrors from which you want to delete data volumes.6. Select JNL Groups and Pairsplit-S.7. In the Preset list, check the

6 Performing XP Continuous Access Journal pair operationsTo perform remote copy operations with XP Continuous Access Journal, you must create pairs of

• Tree: Lists ports in the local array ( ). Host groups or iSCSI targets appear below each port.If you select a port, host group, or iSCSI target, the

Figure 3 Connection configuration for multiple secondary arraysLocal arraysXP Continuous Access Journal operations involve local arrays at the primary

NOTE: If a logical volume is an external LU, # appears after the LDEV number. Formore information about external LUs, see the HP StorageWorks External

Figure 58 Information in Pair Port-G-ID-LUN column in Pair Operation panePort1Group number of the host group or iSCSI target2LUN (logical unit number)

example, the synchronization rate is 100 percent if the contents of the secondarydata volume is the same before and after the volume pair was split.CA

NOTE: Information on the Pair Operation pane is updated when you do one of the following:• Select another tab, and reselect the Pair Operation tab.• C

• P-VOL/S-VOL: Type of volumes to be displayed.To display all primary data volumes, select P-VOL.◦◦ To display all secondary data volumes, select S-VO

Port number in the remote array9Group number of the host group or iSCSI target in the remote array10LU number in the remote array11CU and LDEV numbers

NOTE:• Volumes with the icon are already used as primary data volumes.• You can select and right-click more than one volume to create more than one pa

NOTE: If an error occurs, the right-most column of the Preset list displays the error code. Toview detailed information about the error, right-click t

NOTE: You can select only one secondary data volume even when two or more primarydata volumes are selected in the Pair Operation pane. XP Continuous A

NOTE: R-JNL does not display journal group numbers used by Hitachi UniversalReplicator for z/OS.• CT Group: Consistency group.NOTE: You cannot change

in managing the XP Continuous Access Journal pair status and configuration (for example,rejects write I/Os to XP Continuous Access Journal secondary d

Displaying detailed information about a pair of data volumesUse the Pairdisplay pane to view detailed information about a pair of data volumes.To disp

the synchronization rate is 100 percent if the contents of the secondary data volume isthe same before and after the volume pair was split.CAUTION: If

NOTE: In the current version, the channel type is always displayed as Fibre.• Initial Copy Priority: Initial copy operations priority (scheduling orde

NOTE: If you select two or more pairs in the list, the list on the pane might display blanksfor option values. If you do not want to change the curren

8. In the Preset list on the Pair Operation pane, check the settings you made.• To modify a setting, right-click the setting, and select Modify.• To c

NOTE: If the following conditions are satisfied and you click Apply, a warning messageappears and processing cannot continue:– The Preset list contain

5. In the list, right-click the pair you want to restore.The result of this operation differs according to the selected mirror's status.• When yo

NOTE: If the following two conditions are satisfied and you click Apply, a warningmessage appears and processing cannot continue:– The Preset list con

4. In the list, right-click the pair you want to delete.5. Select Pairsplit-S. The Pairsplit-S pane (Figure 65 (page 148)) appears.6. Select the optio

NOTE: If you select pairs with PAIR status and pairs with other than PAIR status in thesame consistency group, an unexpected suspension might occur du

Journal volumesWhen using XP Continuous Access Journal, updates to primary data volumes are stored in othervolumes, which are called journal volumes.

7 Monitoring remote copy operationsUse the Usage Monitor pane to monitor remote copy usage for the connected local array. Theusage monitoring function

• Monitoring Switch: Usage monitor operation (see Starting and stopping usage monitoring).Enable: Monitoring is on.◦◦ Disable: Monitoring is off.NOTE:

The usage monitor graph plots user-selected I/O statistics (up to 65 data points) on an x-y graph.The x-axis displays time. The y-axis displays the nu

5. Click Set. The Usage Operations pane now displays a graph showing the selected I/O statisticsdata for the selected LUs.To enlarge the displayed gra

Table 30 Remote copy I/O statisticsDescriptionStatisticNumber of read I/Os per second.Read Record CountHost I/ONumber of read hit records per second.R

8 Viewing history of data volume pair operationsUse the History Operation pane (Figure 68 (page 156)) to view a history of operations for datavolume p

3. Select the History Operation tab. The History Operation pane appears.CAUTION: The History Operation pane might not display latest operation history

NOTE: When the update is in progress, the checking process automatically continuesuntil the update process completes. The update process is checked at

– Status Change by MCU(COPY to SMPL): Status of data volume pair was changedfrom COPY to SMPL because of an operation from the primary array.– Status

Saving operation history to a text fileUse the snapshot function to save operation history to a text file. This text file is called a snapshotfile.NOT

Volumes in parity groups with a RAID-5 (7D+1P) configuration are usually used as journalvolumes.• Support for optional programsCAUTION: You cannot use

9 Performing optional operationsUse the Optional Operations pane to perform the following procedures:• Displaying the Optional Operation pane• Changin

• Operation: Operation that occurs when you click Apply.Change system option: Changes array options.◦◦ Blank: Nothing occurs when you click Apply.• Pr

8. Click Apply.NOTE: If an error occurs, the right-most column of the Preset list displays the error code. Toview detailed information about the error

• Max Initial Copy: Number of volumes that can be copied concurrently during the initial copyand resynchronization operations.• Error Code: Displays a

10 Disaster recovery operationsPreparing for disaster recoveryThe type of disaster and the status of the XP Continuous Access Journal volume pairs det

at) the secondary site, using secondary data volumes. For more information about using XP RAIDManager, see the HP StorageWorks XP RAID Manager user gu

2. Ensure that pair status of primary and secondary data volumes in all XP Continuous AccessJournal pairs is PAIR. This indicates that the XP Continuo

11 XP Continuous Access Journal operations with NAS BladeThis chapter describes how to use XP Continuous Access Journal with the TagmaStore USP NASBla

Scope of XP Continuous Access Journal functions with NAS BladeScope related to XP Continuous Access Journal• Volume typeYou can use only user LUs as X

Table 32 Executing pairdisplay command using a shell script created with SSH Client (for SSHproto. ver. 2)$ ssh -2 [email protected] sudo pairdisp

You cannot define paths from hosts to journal volumes. This means that hosts cannot read fromand write to journal volumes.Journal volume areasA journa

Scope related to other Hitachi Network Attached Storage products• NAS Sync ImageWhen using XP Continuous Access Journal or XP Business Copy to copy a

(as explained in the following sections) when you share the NFS/CIFS and set the quota orACL in the target file system.◦ Register the same user name (

When the host name is specified in the XP RAID Manager configuration definition file andyou change the following system configurations, you must chang

You must perform these operations in each NAS package in CL1 and CL2 where the XP ContinuousAccess Journal P-VOL is connected and in each NAS package

Access Journal P-VOLs. You must delete the temporarily created file system in the secondary sitebefore creating a file system pair.The following expla

NOTE: You can specify the host name instead of the fixed IP address if the fixed IP address andthe corresponding host name are registered in /etc/host

Table 39 Command execution that lists LUs constituting the file system sample$ sudo horc_devlist | grep ':sample$'11( 17) 64 OPEN-V(3.906GB)

Table 41 Config. def. file settings (HORCM_INST) & specif. vals. in NAS Blade systemSpecified values in NAS Blade systemItemSection nameFixed IP a

Table 43 Procedure for starting XP RAID Manager$ sudo horc_setenv HORCMINST 16 (For instance number 16)or sudo horc_setenv HORCMINST 17 (For instance

Table 47 Locations of NAS pack. & port names specif. in RAID Mgr XP config. def. files (continued)Port nameLocation of NAS packageCL2-J-1CHA-2SCL2

Figure 4 Corresponding consistency group and journal group numbersRemote copy connectionsRemote copy connections are the physical paths that primary a

Continuous Access Journal and XP Business Copy in the cascade configuration, you cannot operatethe cascaded XP Business Copy using the GUI or CLI of t

Table 50 Example of XP RAID Manager configuration definition file at secondary site (instance 16)HORCM_MON#ip_address service poll(10ms) timeout(10ms)

Table 51 Example of XP RAID Manager configuration definition file at secondary site (instance 17)HORCM_MON#ip_address service poll(10ms) timeout(10ms)

3. If you logged in to the target NAS package using SSH and set up as explained in step 1 andstep 2, confirm the setup by logging out of the NAS packa

• Resynchronizing XP Continuous Access Journal volume pairs• Deleting XP Continuous Access Journal volume pairsFigure 76 Overview of remote copy opera

4. At the primary site, check the completion of the XP Continuous Access Journal volume paircreation.sudo pairvolchk {-g group-name|-d volume-name}NOT

7. At the primary site, mount the P-VOL using the enas_fsmount command in NAS BladeManager, and create CIFS/NFS shares using the enas_nfscreate and en

7. Create a shared directory using the enas_dircreate command, or change the attributesof a shared directory using the enas_diredit command.8. Create

pairvolchk: Volstat is P-VOL.[status = COPY] => Deletingpairvolchk: Volstat is P-VOL.[status = SMPL] => Deleted3. At the primary and secondary s

pairvolchk: Volstat is P-VOL.[status = COPY] => Deletingpairvolchk: Volstat is P-VOL.[status = SMPL] => Deleted3. At the secondary site, release

The XP Continuous Access Journal remote copy configuration between the primary and secondaryarrays has the following requirements (see Remote copy con

3. After logging in to the target NAS package using SSH and setting up as explained in Step 1and Step 2, confirm the setup by logging out of the NAS p

NOTE: When the old S-VOL is the file system managed by NAS Sync Image, delete CIFS/NFSshares under the differential-data snapshots, unmount the differ

Table 52 Format of XP RAID Manager log files in the NAS Blade system (continued)Log file formatLog file nameLog file classification/home/nasroot/log*/

CommandsThe commands the Hitachi Network Attached Storage series products provide for XP ContinuousAccess Journal operations in the NAS Blade system a

12 TroubleshootingGeneral troubleshootingYou are responsible for the operation and normal maintenance of the XP Command View AdvancedEdition Software

Table 53 General troubleshooting information for XP Continuous Access JournalCorrective actionErrorEnsure that the problem is not caused by the manage

Table 54 Troubleshooting problems with status of logical pathsCorrective actionDescriptionPair statusEnsure that the local and remote arraysare connec

Table 54 Troubleshooting problems with status of logical paths (continued)Corrective actionDescriptionPair statusEnsure that the topology settings of

Table 54 Troubleshooting problems with status of logical paths (continued)Corrective actionDescriptionPair statusDelete the path using the Delete Path

Table 55 Troubleshooting suspended XP Continuous Access Journal pairs (continued)Corrective actionDescriptionApplies toSuspend typeDelete the pair fro

© Copyright 1999, 2011 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP required for possession, use or

View Advanced Edition Software or XP Remote Web Console software products do not providehost failover functions.When using XP Continuous Access Journa

Table 56 Resolving XP Continuous Access Journal pair suspensionRecovery procedureSIMCauses of suspensionClassificationAccording to SIM, removethe hard

XP Continuous Access Journal error codesThe XP Command View Advanced Edition Software management station or XP Remote WebConsole displays an error mes

13 Power management for arrays and network relay devicesThis appendix explains power management for arrays and network relay devices during remotecopy

When powering off primary arraysTo power off the primary array during remote copy operations, first ensure that all data volumepairs or mirrors (that

1. Split data volume pairs that are affected by powering off the primary and secondary arrays.For example, if two primary arrays and one secondary arr

14 Pinned track recovery for XP Continuous Access JournalvolumesIf a hardware failure occurs when the array is in operation, some data in the array&ap

15 SIM reportingThe local array generates service information messages (SIMs) to notify you of possible arrayservice requirements. SIMs can be generat

Table 57 Typical SIM showing reference code and SIM type (continued)SVP log fileSIM generated byDescriptionSeverityReference codeByte 23Byte 22SIM Log

Table 57 Typical SIM showing reference code and SIM type (continued)SVP log fileSIM generated byDescriptionSeverityReference codeByte 23Byte 22SIM Log

16 Support and other resourcesRelated documentationThe following documents provide related information:• HP StorageWorks XP glossary• HP StorageWorks

changed tracks involved in host data writes to the primary and secondary data volumes are notedin difference bitmaps.The primary array's base-jou

• http://www.hp.com/support/manuals• http://www.hp.com/storage/spockDocumentation feedbackHP welcomes your feedback.To make comments and suggestions a

IndexSymbols3DC configurationcascading, 66multi-target, 70AAdd DKC pane, 94applications, combining with, 58Bbandwidth, 57base-journals, 20, 22bitmap a

initiator ports, 19, 92installing hardware, 51integrity, data, 10, 45interface, 19intermediate sites, 66JJNL Group Detail pane, 115journal copy functi

PPair Operation panecomponents, 128displaying, 128filtering list, 133PAIR status, 29pair statusinitial copy operations, 20resuming normal operations,

XP Business Copy, 9PSUE status, 29, 33PSUS status, 29, 36RRAID groups, data transfer speed, 54RAID-level configuration, 43RCU target ports, 19, 92read

status, logical paths, 100status, pairinitial copy operations, 20resuming normal operations, 165snapshot, saving as, 134switching operations back to p

During normal XP Continuous Access Journal operations, the secondary array does not allow XPContinuous Access Journal secondary data volumes to be onl

Table 2 Metadata informationDescriptionTypeJournal type (for example, base-journal or update journal)Journal typeNumber of the primary data volume tha

1. The secondary array provides a status indicator number as management information todistinguish (by sequence number), those data entries that have s

Journal typesIn addition to sending journal data for updating, the primary array sends control information tothe secondary array. This control informa

Continuous Access Journal data volumes are quickly synchronized between DC2 and DC3 andmade available for use.The delta resync operation consists of:•

creating XP Continuous Access Journal pairs for delta resync operations, see Requirements forcreating XP Continuous Access Journal pairs for delta res

the contingency DC2-to-DC3 XP Continuous Access Journal pair for the delta resync operation inFigure 7 (page 26) becomes synchronized and usable.When

data volumes, but not the primary data volume. The primary array detects when the secondaryarray changes the secondary data volume's status (if t

Contents1 Overview of HP Copy Solutions...8XP Continuous Access Journal...

Command View Advanced Edition Software or XP Remote Web Console, this SIM results in anSNMP trap indicating the reason for the suspension.30 Overview

• XP Continuous Access Journal pair statusThe XP Continuous Access Journal Suspending and Deleting transitional states occur when arequest to change t

Table 3 XP Continuous Access Journal data volume pair status (continued)Secondary data volumeaccessPrimary data volumeaccessDescriptionPair statusRead

Table 3 XP Continuous Access Journal data volume pair status (continued)Secondary data volumeaccessPrimary data volumeaccessDescriptionPair statusRead

Table 3 XP Continuous Access Journal data volume pair status (continued)Secondary data volumeaccessPrimary data volumeaccessDescriptionPair statusRead

Table 3 XP Continuous Access Journal data volume pair status (continued)Secondary data volumeaccessPrimary data volumeaccessDescriptionPair statusPair

1 XP RAID Manager displays the PFUL status. XP Command View Advanced Edition Software or XP RemoteWeb Console displays this status as PAIR.2 Whether y

Table 4 XP Continuous Access Journal split types (PSUS) (continued)DescriptionApplies toTypeThe primary array detected that thesecondary data volume&a

The primary array suspends an XP Continuous Access Journal pair when it detects any of thefollowing suspension conditions:• You deleted the data volum

secondary data volume in shared memory. When an XP Continuous Access Journal pair issuspended, tracks containing the following journal are marked in t

One-to-one volume copy operations...41Logical unit (LU) types...

3 XP Continuous Access Journal operations requirementsand restrictionsSystem requirementsXP Continuous Access Journal operations involve primary and s

NOTE: Administrator or XP Continuous Access Journal write access to XP Command ViewAdvanced Edition Software or XP Remote Web Console is required to p

NOTE: The capacity of a journal volume is not included in the accounting capacity.Table 9 Supported data and journal volumesSupport specificationsType

Table 11 Journal volume specificationsSupport specificationsItemSameNOTE: Only OPEN-V can be usedfor journal volumes.Emulation typeSame or different a

NOTE: If you use LUSE volumes, you must add 1 to the value calculated by the above formula.• Maximum number of pairs that can be created:Use the follo

Table 13 Journal group specifications (continued)Support specificationsItemUp to 16Number of journal volumes in a journal groupUp to 4 (ID No.: 0 to 3

paircreate operation fails. The remote array cache should be configured to adequately support XPContinuous Access Journal remote copy workloads and lo

Table 15 Illegal port combinations (for FRONT CL1)Illegal port combinationsLocation(channel adapternumber)Illegal port combinationsLocation(channel ad

Table 15 Illegal port combinations (for FRONT CL1) (continued)Illegal port combinationsLocation(channel adapternumber)Illegal port combinationsLocatio

Table 16 Illegal port combinations (for REAR CL2)Illegal port combinationsLocation(channel adapternumber)Illegal port combinationsLocation(channel ada

XP LUN Security Extension license capacity...874 Configuring arrays and logical pa

Table 16 Illegal port combinations (for REAR CL2) (continued)Illegal port combinationsLocation(channel adapternumber)Illegal port combinationsLocation

Installing hardwareYou and the HP representative initially install the XP Continuous Access Journal hardware. To installthe hardware required for XP C

Figure 9 XP Continuous Access Journal remote copy connection configurationThe remote copy connection between primary and secondary array provides the

Figure 11 Switch remote copy connections• Extender connectionsFigure 12 Extender remote copy connectionsCAUTION: When an MCU and RCU are connected via

The following factors affect the speed of writing to and reading from journal volumes, particularlywhen a temporary communications path failure occurs

A journal volume's data transfer speed depends on the data transfer speed of the RAID group towhich the journal volume belongs. One RAID group ca

Journal volume capacity > VH-M- VM-Rx twhere:• VH-Mis the data transfer speed between the hosts and primary array• VM-Ris the data transfer speed b

Bandwidth of data transfer pathsThe bandwidth (that is, the data transfer speed) of data transfer paths between the primary andsecondary arrays depend

12. Repeat step 3 through step 11 for each array that will function as an XP Continuous AccessJournal primary array. After configuring the primary arr

Table 17 Whether non-XP Continuous Access Journal volumes can be used as XP Continuous AccessJournal volumes (continued)Can volumes be used asjournal

Starting and stopping usage monitoring...151Starting usage monitoring..

Table 17 Whether non-XP Continuous Access Journal volumes can be used as XP Continuous AccessJournal volumes (continued)Can volumes be used asjournal

Combining XP Continuous Access Journal with LUN ManagerLUN Manager operations do not affect XP Continuous Access Journal operations. You can alsoassig

Table 19 Data currency of a shared XP Continuous Access Journal/XP Business Copy volumeXP Business Copy pair statusXP ContinuousAccess Journalpair sta

Figure 17 Shared XP Continuous Access Journal secondary data volume and XP Business CopyP-VOLCAUTION: When you share an XP Continuous Access Journal s

Figure 19 XP Business Copy S-VOL in PSUS status functioning as XP Continuous Access Journalprimary data volumeIf a failure occurs and the XP Business

4. Execute the XP RAID Manager pairsplit -r command on the XP Continuous Access Journalpair to suspend the pair.Figure 23 Restoring XP Business Copy P

Figure 27 Restoring XP Business Copy P-VOLs, step 89. Execute the XP RAID Manager pairresync command on the XP Continuous Access Journalpair to resync

Figure 29 3DC cascading configuration (combining XP Continuous Access Journal with XP ContinuousAccess Synchronous)Data that XP Continuous Access Sync

Figure 30 Basic behavior in 3DC cascading configurationIf an XP Continuous Access Synchronous pair is suspended in a 3DC cascading configuration,you c

Setup procedureThis section explains the procedure for setting up a 3DC cascading configuration using XPContinuous Access Synchronous and XP Continuou

Create file systems in XP Continuous Access Journal P-VOLs...183Overview of XP Continuous Access Journ

combined, there are one primary and two secondary sites. One secondary site is for synchronousremote copy, and is usually located a short distance fro

In addition, you can create an XP Continuous Access Journal pair for delta resync operations in3DC multi-target configurations by specifying:• A XP Co

The following hardware configuration is required for the local array at these sites:• Local array at the primary siteXP Continuous Access Synchronous

6. To create the XP Continuous Access Journal pair for delta resync operations, specify the XPContinuous Access Synchronous S-VOL in the XP Continuous

If you use the XP Continuous Access Synchronous S-VOL, the pair status should be SSWS.NOTE: Check the pair status after executing the XP RAID Manager

To transfer your business tasks to the XP Continuous Access Synchronous secondary site:1. Use XP RAID Manager to delete the XP Continuous Access Journ

NOTE:• If you followed step 4a, transfer your business tasks back to the primary site by removingfailures in the primary site and other locations and

1. Use XP RAID Manager to execute the horctakeover command on the XP Continuous AccessSynchronouspair.NOTE: Unlike the procedure on the prior page, th

NOTE: To transfer your business tasks back to the primary site:• Repair failures at the primary site and other locations.• Follow instructions in “Tra

Figure 34 Changing to a 3DC multi-target configuration after recovering from primary site failuresTransfer tasks from XP Continuous Access secondary s

1 Overview of HP Copy SolutionsXP Continuous Access JournalYou can use HP StorageWorks XP Continuous Access Journal to create and maintain duplicateco

Transfer tasks from XP Continuous Access secondary sites to primary sites (3DC multi-target)If you remove failures from the primary site and other loc

5. When you perform delta resync operation on the volume in XP Continuous Access Synchronousprimary site, the status of the XP Continuous Access Journ

Table 22 Pair Status and Operation after Recovery of the Primary Site (continued)Perform the Following Operation before Transferring BusinessTasks Bac

2. Use the volume at the XP Continuous Access Journal secondary site to resume your businesstasks.Figure 38 Recovering from primary site and XP Contin

Figure 39 Transferring business tasks from XP Continuous Access Journal secondary sites to primarysitesCombining XP Continuous Access Journal and XP L

Copying access attributesIf you create an XP Continuous Access Journal pair using volumes to which the VMA is set with XPLUN Security Extension, the a

Figure 40 Copying access attributesIn Figure 40 (page 86), if both primary and secondary data volumes have VMA, the primary datavolume's VMA is c

NOTE: If the pair is suspended or deleted during COPY status, the primary data volume's accessattribute is not copied to the secondary data volum

4 Configuring arrays and logical pathsTo introduce XP Continuous Access Journal into your system and configure your system for remotecopy operations,

2. On the XP Command View Advanced Edition Software or XP Remote Web Console mainpane, click the XP Continuous Access Journal button ( ). XP Continuou

backup and duplication activities. See “Combining XP Continuous Access Journal and XP BusinessCopy” (page 61) for more information.This guide does not

• Apply: Applies settings in the Preset list to the arrays.• Cancel: Cancels settings displayed in the Preset list.NOTE: Information on the DKC Operat

◦ Status: Indicates whether logical paths failed.Normal: No failure occurred at the logical paths–– Failed: All logical paths failed– Warning: Some lo

Figure 42 DKC Operation pane, Port option• Tree: Lists channel adapters and ports on the local array.Channel adapter (Fibre Channel interface)Target p

Ports on the array have the target attribute by default. If you are configuring an array, determinewhich ports should be initiator or RCU target ports

5. Right-click the port you want to configure.6. Select the port type (that is, initiator, RCU target, or target).The right-most column of the list di

NOTE: The controller ID for an XP12000/XP10000 is 4.• Path group ID. The path group ID is within the range of 1-FF (hexadecimal). Up to 64path group I

NOTE: The controller ID for an XP12000/XP10000 is 4.• Path Gr. ID: Enter the path group ID. Path group IDs are used for identifying groups of logicalp

10. Click Apply to apply the settings.NOTE: If an error occurs, the right-most column of the Preset list displays the error code. Toview detailed info

4. In the Switch Display box, select DKC.5. Do one of the following:• In the tree, select a remote array.• In the list, right-click a remote array, an

NOTE: When specifying a port, use the keyboard to enter the port number. When enteringthe port number, you can abbreviate the port number to two chara