Decreasing pool capacity – HP XP7 Storage User Manual
Page 121
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The access attribute on the pool-VOL in the selected pool has been corrected.
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You are not operating the format function for available pool capacity.
Decreasing pool capacity
Deleting tiers in pools decreases the pool capacity. You can decrease the pool capacity for up to
eight tasks at the same time.
For more information about decreasing pool capacity and formatting LDEVs, see the HP XP7
Provisioning for Open Systems User Guide.
For more information about formatting external volumes, see
.
Prerequisites for deleting tiers in pools
The following are the prerequisites for deleting tiers in pools:
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The used capacity of the pool-VOL is below the pool threshold.
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If you are deleting pool-VOLs with system area, there is more than 4.2 GB of available capacity.
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You are currently not:
Creating a pool.
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Deleting a pool.
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Increasing a pool.
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Deleting a pool-VOL to decrease the pool capacity.
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Recovering a pool.
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Stopping the pool-VOL for a pool.
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Editing a data pool warning threshold.
Prerequisites for decreasing pool capacity
The following are the prerequisites for decreasing pool capacity and formatting the available pool
capacity:
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You are not decreasing the pool capacity.
NOTE:
Do not simultaneously run RAID Manager commands to decrease the pool capacity.
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You are not maintaining the cache memory.
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The cache memory is up and running.
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The I/O load to the V-VOL related to the pool is low.
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You are not allocating new pages.
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You are not running correction copy.
If processing ends abnormally, check the Tasks window.
Managing pools
121