HP XP RAID Manager Software User Manual

Page 63

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Using RAID Manager

63

Primary

Volume

Secondary

Volume

S

S

Read/Write

Read/Write

Restore copy

BC Asynchronous copy

Note 1: Valid when reading and writing are enabled, as long as no failure occurs in the P-VOL.

Note 2: Reading disabled when the user specified the –m noread option in the paircreate

command.

Status

Pairing status

Primary

Secondary

SMPL

Unpaired volume

R/W enabled

R/W enabled

PAIR

Paired/duplicated volumes. Data in the primary and
secondary volumes are not assured to be identical.

R/W enabled

R enabled

(See Note 2)

COPY

In paired state, but copying to the secondary volume is
not completed. The P-VOL/S-VOL are not assured to
be identical.

R/W enabled

R enabled

(See Note 2)

RCPY

This reverse copy state infers copying from the
secondary to the primary volume by using the –restore
option of pairresync.

R enabled

(See Note 2)

R enabled

PSUS

In paired state, but updating the secondary volume is
suspended. The P-VOL and S-VOL note any new
changes in a bitmap.

R/W enabled

R/W enabled

PSUE

(Error)

PSUS status due to an internal failure (or GUI
command). The P-VOL and S-VOL maintain a delta
bitmap.

R/W enabled

(See Note 1)

R enabled

(See Note 2)

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