Hp XP External Storage Software Bedienungsanleitung PDF herunterladen (Seite 62)

Determining the number and size of needed partitions

The minimum cache partition (CLPR) size is 4 GB. Determine the size you need for each CLPR being

used for external storage based on the total capacity of the assigned external volumes. Table 6 shows

the recommended cache sizes for external storage CLPRs on open systems. Table 7 shows the same

information for HP storage virtualization systems.

Table 6 Recommended individual CLPR cache size for external storage on open systems

Recommended cache size for CLPRExternal storage volume capacity assigned to CLPR

4 GBLess than 128,000 GB

8 GB128,000 GB or more

Table 7 Recommended indiv. CLPR cache size for ext. stor. on HP stor. virt. sys.

Additional CLPRsCLPR0External volume

capacity assigned

to CLPR

4 GB4 GBLess than 1 TB

4 GB8 GB1 TB <= capacity <

16TB

4 GB12 GB16 TB <= capacity <

20 TB

4 GB16 GB20 TB <= capacity <

128 TB

8 GB24 GB128 TB or more

Creating cache partitions

Ensure the XP Disk/Cache Partition license is installed, you have Administrator authority on the array,

and you are in Modify mode in XP Remote Web Console. For more information about license keys

and user administration procedures, see the HP StorageWorks XP Remote Web Console user guide

for XP12000/XP10000/SVS200.

1. In XP Remote Web Console, click the Install button in the left pane.

2. Click the Partition Definition tab.

3. In the Cache Logical Partition tree, right-click SLPR0 (if you have additional storage partitions

configured, click the storage partition you want the CLPR to be created in), and select Create

CLPR. The new CLPR is added to the tree.

4. Select the new CLPR in the tree, and change the size and other CLPR settings as needed

(Figure 24).

Managing cache with external storage62

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Hp XP External Storage Software Bedienungsanleitung Seite 62