Auto lun with thin provisioning virtual volumes – HP XP P9000 Auto LUN Software User Manual
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Table 2 Candidates for Source and Target Volumes by Program Product (continued)
Target Volume Candidate?
Source Volume Candidate?
Volume Type/Status
Program Product
No
No
A volume with data stored
in cache
Cache Residency and Cache
Residency Z
No
Yes
Individual LDEV within
expanded LU
LUN Expansion (LUSE)
No
Yes. If all LDEVs are used,
make sure that an adequate
All LDEVs in an expanded
LU
amount of target volumes
are reserved.
No
No
A volume undergoing an
Auto LUN operation via
RAID Manager
RAID Manager
No
No
A volume having the Read
Only or Protect attribute
turned on
Volume Retention
No
No
A volume having the Read
Only or Protect attribute
turned on
Data Retention
No
No
A volume disabled to be
used as a secondary volume
Auto LUN with Thin Provisioning virtual volumes
You can perform a manual migration plan on a Thin Provisioning virtual volume or an external
volume. However, you cannot examine the estimated usage rate after the migration because the
usage rate of an external volume cannot be collected.
The following table summarizes the internal volume and Thin Provisioning virtual volume (V-VOL)
combinations under which a volume migration plan can be created.
Table 3 Permissible Internal and V-VOL Combinations
V-VOL in Normal State as Target
Volume
Internal Volume as Target Volume
Source Volume
A migration plan can be created.
If operations change the configuration
of the storage system after the initial
A migration plan can be created.
Internal Volume
volume migration, any subsequent
volume migration must be executed at
an interval which is calculated by the
following formula:
(Pool_Capacity x 3 (seconds)) + 40
(minutes)
A migration plan can be created. A
warning message appears if there is a
A migration plan can be created.
V-VOL in Normal state
possibility that the data size may
exceed the pool threshold after
migration.
A migration plan can be created. A
warning message appears if there is a
A migration plan can be created.
V-VOL in Blocked state due to full
capacity
possibility that the data size may
exceed the pool threshold after
migration.
The migration plan might not be executed if the storage system is experiencing a heavy workload.
Auto LUN with Thin Provisioning virtual volumes
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