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3 relations between “cc” command issues and status – Hitachi TAGMASTORE MK-90RD011-25 User Manual

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Hitachi Command Control Interface (CCI) User and Reference Guide

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4.22.3 Relations between “cc” Command Issues and Status

The migration volumes can be handled by issuing the CCI 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 4.52 shows the relations between the migration volume statuses and command
acceptances.

Table 4.52 Command Issues and Pairing Status Transition

Command: Pair Creation

Pair Splitting

Pairing Status

CC: -m cc

Simlex -S

c

SMPL

Accepted

dÆe

dÆf

Acceptable

d

COPY

È

Acceptable Accepted

e

PSUS

Accepted

c

f

PSUE

PDUB

Accepted

c

Explanation of terms in Table 4.52:

„

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.

Notes:

„

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

„

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