Hp XP Cache LUN Software Manual de usuario

HP StorageWorksCache LUN XP user guidefor the XP1024/XP128Part number: T1616-96002Second edition: March 2006

10 Cache LUN XP for the XP1024/XP128Unit of cache area allocationA Cache LUN XP extent is a range of logical blocks within an LDEV. A logical block is

Cache LUN XP user guide for the XP1024/XP128 11• While destaging to disk, read requests to the same block are delayed until the disk operation is comp

12 Cache LUN XP for the XP1024/XP128You cannot change a Cache LUN XP extent after it is configured. To change the specification, you must reset (“rele

Cache LUN XP user guide for the XP1024/XP128 13The LDEV tree does not show Auto LUN-reserved volumes because they cannot be used in Cache LUN XP opera

14 Cache LUN XP for the XP1024/XP128Buttons• Set: Creates a cache extent.• Release: Deletes a cache extent.• Apply: Applies the parameters to the disk

Cache LUN XP user guide for the XP1024/XP128 15d. Click OK to continue. The Multi Set pane appears.Figure 3 Multi Set panee. In the CU drop-down list,

16 Cache LUN XP for the XP1024/XP128Releasing (removing) a cache extent1. In the LDEV tree of the Cache LUN pane, click the CU:LDEV number of the LDEV

Cache LUN XP user guide for the XP1024/XP128 17Changing an extent’s mode and pre-stagingYou cannot directly change a cache extent’s mode or pre-stagin

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Cache LUN XP user guide for the XP1024/XP128 19IndexAaudience, documentation 5available space 13Bbattery backup 11bind mode 11buttons 14Ccache extents

Legal and notice information© Copyright 2005, 2006 Hewlett-Packard Development Company, L.P.Confidential computer software. Valid license from HP requ

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Cache LUN XP user guide for the XP1024/XP128 3About this guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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Cache LUN XP user guide for the XP1024/XP128 5About this guideThis guide provides information about the following:• ”Supported volumes” on page 9• ”Ca

6Document conventions and symbolsCAUTION: Indicates that failure to follow directions could result in damage to equipment or data.IMPORTANT: Provides

Cache LUN XP user guide for the XP1024/XP128 7Subscribing to this service provides you with e-mail updates on the latest product enhancements, newest

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Cache LUN XP user guide for the XP1024/XP128 91 Cache LUN XP for the XP1024/XP128Use Cache LUN XP to reserve areas of cache memory on the disk array f