Relations between “cc” command issues and status – HP XP P9500 Storage User Manual

Page 146

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LDEV Mapping

RAID6[Group Group number - Sub number]

SNAPS[PoolID poolID number ]

Snapshot S-VOL

UNMAP[Group 00000]

Unmapped

E-LUN[Group External Group number]

External LUN

Relations between “cc” command issues and status

The migration volumes can be handled by issuing the RAID Manager commands (pair creation
and pair splitting commands). The validity of the specified operation is checked according to the
status of the paired volume (primary volume).

Table 32 (page 146)

shows the relations between the migration volume statuses and command

acceptances.

Table 32 Command issues and pairing status transition

Pair Splitting

Pair Creation

Command:

Simplex -S

-m cc

Pairing Status CC:

Acceptable

Accepted

1.

1 SMPL

2 to 3

2 to 4

Accepted

Acceptable

1.

2 COPY to 3

Accepted 1

1.

3 PSUS

Accepted 1

1.

4 PSUE PDUB

Legend:

Accepted: A command is accepted and executed. When the command execution succeeds, the status changes to that
of the shown number.

Accepted: A command is accepted and executed. When the command execution succeeds, the status changes to that
of the shown number.

Acceptable: No operation is executed, though a command is accepted.

Shaded portions: Command execution is rejected and the operation terminates abnormally.

Other commands and options (e.g., pairresync…) for operating a paired-volume are rejected.

The “-m cc” option cannot be specified with “-split” option in the same command.

146

Data replication operations with RAID Manager

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