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DescriptionItem
Allows you to set or change the settings of the specified cache logical partition. See “Cache
Logical Partition Operations” on page 31 for more information on cache logical partition
operations.
You cannot directly change the capacity value of CLPR 0. Any changes in the capacity of the
other CLPRs will be reflected in the capacity of CLPR 0.
The maximum available cache capacity (mounted cache less the cache in use by other cache
logical partitions) displays for the upper limit of Cache Size, Cache Residency Size, Num. of
Cache Residency Areas. For more information on Cache Residency, see HP StorageWorks
XP24000/XP20000 Cache Residency Manager User's Guide.
• CLPR Name allows you to set or change the name of the cache logical partition, provided
that it is within the selected CU. You can use up to 16 alphanumeric characters.
• Cache Size setting, as illustrated in Figure 7 on page 21, allows you to set or change the
cache capacity of each cache logical partition. You may select 4 GB or more up to a
maximum size of 508 GB, which is 4 GB smaller than the cache size of the whole storage
system. From a default value of 4 GB, you may increase the size in 2 GB increments. Cache
Residency Size setting, also illustrated in Figure 7 on page 21, allows you to set or change
the capacity of the Cache Residency cache. You may select nothing (0 GB) to a maximum
size of 504 GB, which is the Cache Residency size of the entire storage system. The default
value is 0 GB, to which you may add capacity in 0.5 GB increments.
• Cache Residency Size allows you to set or change the capacity of the Cache Residency
cache. The value of Cache Residency size must be selected or input from 0 to 248 GB in
0.5 GB increments. The default value is 0 GB.
Note:
If you have previously defined cache residency size for this cache logical partition
using Cache Residency Manager, the Cache Residency size selected for this cache logical
partition must be greater than that which was previously defined. Use Cache Residency
Manager to verify the size before you set the value for this field.
• Num. of Cache Residency Areas allows you to set or change the number of Cache Residency
areas, from 0 to 16,384. The default value is 0.
NOTE:
If you have previously defined Cache Residency areas for this cache logical
partition using Cache Residency Manager, the number of Cache Residency areas
selected for this cache logical partition must be more than that which was
previously defined. Use Cache Residency Manager to verify the number of areas
before
you set the value for this field.
Detail for
CLPR in Sys-
tem
Implements settings made in this window
Apply
Cancels any settings made in this window
Cancel
Select CU Dialog Box
To open the Select CU Dialog box, click Select CU on the Cache Logical Partition window (see Figure
8).
XP24000/XP20000 Disk/Cache Partition User's Guide 23