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4 restrictions for volume migration – Hitachi TAGMASTORE MK-90RD011-25 User Manual

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Chapter 4 Performing CCI Operations

4.22.4 Restrictions for Volume Migration

Volume migration must be used within the following restrictions:

„

ShadowImage (HOMRCF). The operation for the volume migration must be operated at
the “SMPL” or “PAIR” or “COPY” state. If not, “paircreate -m cc” command will be
rejected with EX_CMDRJE or EX_CMDIOE. Also HOMRCF can not be operated to CC_SVOL
moving in Cruising Copy. In copying CC_SVOL, the copy operation for the volume
migration will be stopped, if pairsplit command for of HOMRCF will be executed.

PVOL

S/P

VOL

CC

SVOL

COPY or PAIR

CC

1

2

0

0

1

CC

SVOL

CC

COPY or PAIR

„

TrueCopy (HORC). The operation for the volume migration must be operated at the
“SMPL” or “PSUS” state. If not, “paircreate -m cc” command will be rejected with
EX_CMDRJE or EX_CMDIOE. Also HORC can not be operated to CC_SVOL copying in
Cruising Copy. On one hand, in copying CC_SVOL, the copy operation for the volume
migration will be stopped, if pairresync command for of HORC will be executed.

PVOL

SVOL

CC

SVOL

PSUS

CC

1

0

0

1

CC

SVOL

CC

„

LDEV type for CC. The volume of the external connection for the volume migration must
be mapped to an LDEV as OPEN-V.