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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