Cache partition – HP XP Racks User Manual
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Table 2 Volume types that can be shared with ESAM volumes
Used as ESAM S-VOL?
Used as ESAM P-VOL?
Volumes
Product
Yes
Yes
Volume where an LU path is defined
LUN Manager
No
No
Volume where no LU path is defined
Yes
Yes
Volume where LUN security is applied
Yes
Yes
Customized Volume volume
Open Volume
Management
No
No
System disk
Yes
Yes
LUSE volume
LUN Expansion
No
No
N/A
Volume Shredder
Yes
Yes
THP V-VOL (virtual volume)
Thin Provisioning
No
No
Pool volume
Yes
Yes
External volume (after mapping is finished)
External Storage
Yes
No
Business Copy P-VOL
Business Copy
No
No
Business Copy S-VOL
No
No
Reserved volume
No
No
Data volume, Virtual volume, Pool volume
Fast Snap
No
No
Data volume, virtual volume, pool volume
Snapshot
No
No
P-VOL, S-VOL
Continuous Access
Synchronous
Yes
No
Primary data volume
Continuous Access
Journal
No
No
Secondary data volume
No
No
Journal volume
No
No
Source volume
Auto LUN
No
No
Target or reserved volume
Yes
Yes
Volume with the Read/Write attribute
Data Retention
No
No
Volume with attribute other than the above
No
No
N/A
Database Validator
No
No
N/A
Multiplatform Backup
The quorum disk cannot be used by other software products, except as follows:
•
Cache Partition can allocate the CLPR (virtually partitioned cache) to the quorum disk when
you map the quorum disk to the storage system.
•
Performance Monitor can monitor usage or performance of the quorum disk.
The following topics clarify key information regarding the use of other software products.
Cache Partition
Virtually partition the cache (CLPR), and allocate the CLPR to the host that issues the I/O to the
ESAM pairs.
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System implementation planning and system requirements