Hitachi MK-96RD626-07 - Manual (Page 46)

2-26 About Universal Volume Manager Operations
Hitachi Universal Storage Platform V/VM Universal Volume Manager User’s Guide
• If you create LDEVs in an external volume using the VLL function, the
cache mode of the created LDEVs become the same as those of the source
external volume.
Cache Residency Manager
Consider the following for Cache Residency Manager:
• The bind mode of the Cache Residency Manager operation cannot be
specified for the external volume if the Cache Mode is set to Disable.
• If you use the mapped external volume for the Cache Residency Manager
operation and set the bind mode, a cache of twice as much capacity as the
user data is required for the Cache Residency Manager operation.
Performance Manager
Consider the following for Performance Manager:
• Performance Monitor can be used to display the monitoring information
about the external volumes.
• Mapped volumes can be used for Volume Migration. For a configuration
example of Volume Migration, see Volume Migration Operations .
TrueCopy and TrueCopy for IBM z/OS
Mapped volumes can be used for TrueCopy and for TrueCopy for IBM z/OS. For
a configuration example of TrueCopy, see
TrueCopy Operations .
Universal Replicator and Universal Replicator for IBM z/OS
Mapped volumes can be used for Universal Replicator and Universal Replicator
for IBM z/OS. For a configuration example of Universal Replicator, see
Universal Replicator Operations .
ShadowImage and ShadowImage for IBM z/OS
Mapped volumes can be used for ShadowImage and ShadowImage for IBM
z/OS. For a configuration example of ShadowImage, see
ShadowImage
Operations .
Copy-on-Write Snapshot
Mapped volumes can be used for Copy-on-Write Snapshot. Consider the
following for Copy-on-Write Snapshot:
• Both internal and external volumes cannot be mixed in one pool.
• All external volumes in the same pool must be in the same Cache Mode.