HP P9000 HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20
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- HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 1
P9000 Cache Partition User Guide Abstract This guide describes how to use the HP StorageWorks P9000 Cache Partition Software on HP StorageWorks P9000 disk arrays. The intended audience is a storage administrator or authorized service provider with independent knowledge of HP StorageWorks P9000 disk - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 2
2010, 2011 Hewlett-Packard Development Company, L.P. Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical Data for Commercial Items are - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 3
from a CLPR 8 Deleting a CLPR ...9 2 Troubleshooting 10 Troubleshooting Cache Partition 10 3 Support and other resources 11 Contacting HP...11 Subscription service...11 Documentation feedback...11 Related information...11 HP websites...11 Conventions for storage capacity values 12 Typographic - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 4
the HP StorageWorks P9000 Remote Web Console User Guide. For details on the conditions of the resources, see the HP StorageWorks P9000 Provisioning for Open Systems User Guide or the HP StorageWorks P9000 Provisioning for Mainframe Systems User Guide. About virtual cache partitions If one storage - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 5
of the cache and parity groups in the storage system. Partitioning cache into one or more CLPRs allows storage administrators to dedicate individual CLPRs to a different host, preventing I/O contention for cache memory. Before partitioning cache memory into CLPRs, calculate how much cache capacity - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 6
the Remote Web Console subwindow. For further information about Remote Web Console subwindow, see the HP StorageWorks P9000 Remote Web Console User Guide. When adding cache memory, use either the Standard Cache Access Model mode or the High Performance Cache Access Model mode. If your storage system - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 7
areas) cannot be migrated to another CLPR. See the HP StorageWorks P9000 Performance for Open and Mainframe Systems User Guide for more information about cache extents. • If you are using Continuous Access Journal, Continuous Access Journal data volumes and journal volumes can belong to different - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 8
to open the Cache Logical Partition window. 6. In the Detail for CLPR Subsystem section, do the following: • In CLPR Name, type the name of the cache logical partition, may not be in the same CU, but they must be in different array groups. • All interleaved parity groups must be in the same CLPR. • - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 9
Definition on the menu bar of the Remote Web Console main window. 2. Click to change the mode from View to Modify. 3. Access the Logical Partition window, then select a CLPR from the Partition Definition tree. 4. In the Cache Logical Partition window, click Select CU to choose a CU. 5. Specify - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 10
select Error Detail to open the message. 2. Review the message and click OK to close the message. General troubleshooting The following table provides general troubleshooting instructions for Cache Partition operations. Table 2 General troubleshooting for Cache Partition operations Error Cause - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 11
Systems User Guide • HP StorageWorks P9000 Remote Web Console User Guide You can find these documents on the Manuals page of the HP Business Support Center website: http://www.hp.com/support/manuals In the Storage section, click Disk Storage Systems for hardware or Storage Software for software, and - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 12
• http://www.hp.com/support/downloads • http://www.hp.com/storage/whitepapers Conventions for storage capacity values P9000 disk arrays use the following values to calculate physical storage capacity values (hard disk drives): • 1 KB (kilobyte) = 1,000 bytes • 1 MB (megabyte) = 1,0002 bytes • 1 GB - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 13
bodily harm or death. CAUTION: Indicates that failure to follow directions could result in damage to equipment or data. IMPORTANT: Provides clarifying information or specific instructions. NOTE: Provides additional information. TIP: Provides helpful hints and shortcuts. Typographic conventions 13 - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 14
list. To access this tab, from the Remote Web Console main window, click Go, then Environmental Setting, and then click the Partition Definition tab. Item Description Logical Partition tree A hierarchical list of storage system and cache logical partitions. CLPRs defined in the storage system are - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 15
(CLPR selected) Use this window to view information about all of the cache logical partitions in the storage system. This window opens when you select a CLPR in the Partition Definition tree of the Partition Definition tab. Item Description Partition Definition tree A hierarchical list of the - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 16
external volumes, the volume capacity is shown, but the RAID configuration is not shown. For virtual volumes (for example, Snapshot or Thin Provisioning), the logical volume capacity is shown, but the RAID configuration is not shown. • Emulation: Emulation type of the resource. 16 Cache Partition - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 17
HP StorageWorks P9000 Performance for Open and Mainframe Systems User Guide. • CLPR Name: Allows you to set or change the name of the cache logical partition, GB) to a maximum of 504 GB, the Cache Residency size of the entire storage system. The default value is 0 GB to which you may add capacity in - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 18
CU. When selected, only information about resources that are not assigned with any CU appears on the CLPR resource list. Implements the settings in the storage system. Cancels settings made in this window. 18 Cache Partition GUI reference - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 19
Remote Web Console synchronous V-VOL VOL, vol volume XDF P9000 or XP Business Copy. An HP application that provides volume-level, point-in-time copies in the disk array. Cache logical partition. P9000 or XP Continuous Access Journal software. The version of Continuous Access Journal that supports - HP P9000 | HP StorageWorks P9000 Cache Partition User Guide (AV400-96360, May 20 - Page 20
in text, 13 T technical support HP, 11 service locator website, 11 text symbols, 13 troubleshooting CLPRs, 10 typographic conventions, 12 W websites HP , 11 HP Subscriber's Choice for Business, 11 product manuals, 11 D deleting a CLPR, 9 disk arrays supported models, 4 document conventions, 12
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HP StorageWorks
P9000 Cache Partition User Guide
Abstract
This guide describes how to use the HP StorageWorks P9000 Cache Partition Software on HP StorageWorks P9000 disk
arrays. The intended audience is a storage administrator or authorized service provider with independent knowledge of HP
StorageWorks P9000 disk arrays and P9000 software.
HP Part Number: AV400-96360
Published: May 2011
Edition: Fourth