HP XP P9500 Storage - Manual (Page 150)

Description Item
Blue indicates cache that has been used. Pie chart
Yellow indicates the increase in the specified size of the cache.
Pink indicates the remaining amount of available cache.
Indicates the operation that is in progress. Operation in progress
•
Prestaging operation in progress: The progress, in percentage, of the prestaging
operation. The percentage shown in this progress bar does not affect the pie
chart nor the values in the Operation box.
• Cache Residency Manager operation in progress: The progress, in percentage,
of the Cache Residency operation. The percentage shown in this progress bar
does not affect the pie chart nor the values in the Operation box.
Operations box
Description Item
Selects the mode for the data to be added to Cache Residency cache: Cache Residency Mode
• Bind: Sets the bind mode. Bind mode is not available to external volumes
whose cache mode is set to Disable (which is the mode that disables the use
of the cache when there is an I/O request from the host).
• Priority: Sets priority mode.
Once you have requested a Cache Residency operation, the mode options are
unavailable. To change the mode for a requested operation, cancel the requested
operation and request the operation again with the desired mode selected.
Enables or disables the prestaging mode for the requested operation: Prestaging Mode
•
Yes: Enables prestaging mode.
•
No: Disables prestaging mode.
The Prestaging Mode options are unavailable when the Prestaging check box is
unchecked.
Once you have requested a Cache Residency operation, the Prestaging Mode
options become unavailable. To change the mode for a requested operation,
cancel the requested operation and request the operation again with the desired
mode selected.
Enter the starting and ending addresses for the data to be placed in cache,
specified in LBAs for open-systems LDEVs, and in CC HH numbers for mainframe
LDEVs. Start and End
For OPEN-V LUs, logical areas are defined in units of 512 blocks. If you enter 0
or 1 as the starting LBA and a value less than 511 as the ending LBA, Cache
Residency automatically changes the ending LBA value to 511.
Selects all data areas in the selected LDEV for Cache Residency cache. This check
box can be selected only if no data areas in the selected LDEV are assigned to Select All Area
Cache Residency cache. If checked, the starting address and ending address
(From and To) fields are cleared.
Cache size available for Cache Residency data: Available Cache Residency
Manager Size
• Bind: The available size for bind mode.
•
Priority: The available size for priority mode.
Requests Cache Residency operations for more than one LDEV. When checked,
the Multi Set or Multi Release window opens to allow you to set data into or
release data from Cache Residency cache for more than one LDEV. Multi Set / Release
When checked, the operation can be applied to multiple LDEVs. When unchecked,
the operation is applied to only one LDEV.
150 Cache Residency GUI reference