HP StorageWorks XP Remote Web Console Software User Manual

Page 83

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Emulation: The emulation type of the P-VOL and S-VOL.

Capacity(MB): The volume capacity displayed in megabytes (MB).

CLPR(P): The cache logical partition of the P-VOL.

CLPR(S): The cache logical partition of the S-VOL.

The Resync Type list allows you to select the pairresync type for the pairs being resynchronized
(from Normal Copy(P->S), Quick Resync(P->S), Reverse Copy(S->P), or Quick Restore(S->P)).
Remember that you must select either Normal Copy(P->S) or Quick Resync(P->S) if the selected
pair is L2 pair or its status is PSUE. Before selecting Reverse Copy(S->P) or Quick Restore(S->P),
make sure that the pair you are going to select meets the following requirements:

Table 37 Requirements for Reverse Copy(S->P) or Quick Restore(S->P) Pairresync Operations

Requirements

Parameter

The specified pair must be in the PSUS state. All other pairs that share the same
P-VOL as the specified pair must also be in the PSUS or PSUE state.

Pair status

Whether you can execute a quick restore command to a pair that consists of VLL
and normal volumes depends on the volume emulation type. For details, see

Table 38 (page 83)

.

Pair type

Quick Restore cannot be performed on a pair in a volume in which Quick Format
is being performed.

Volume status

If the XP Business Copy and XP Continuous Access pairs share the same volume,
and the XP Continuous Access pair is not suspended, the reverse and quick restore
pairresync operations cannot be performed.

Shared XP Business
Copy/XP Continuous
Access volume.

NOTE:

You cannot perform Quick Restore when XP Business Copy and XP

Continuous Access pairs include external volumes.

If the XP Business Copy and XP Continuous Access Journal pairs share the same
volume, and the XP Continuous Access Journal pair is not suspended, the reverse
and quick restore pairresync operations cannot be performed.

Shared XP Business
Copy/XP Continuous
Access Journal volume.

NOTE:

You cannot perform Quick Restore when XP Business Copy and XP

Continuous Access Journal pairs include external volumes.

NOTE:

During the reverse or quick restore pairresync operations, an XP Continuous Access pair or an XP

Continuous Access Journal pair cannot be created. The XP Continuous Access paircreate command and the XP
Continuous Access Journal paircreate command will be rejected when the XP Business Copy pair status is
COPY(RS-R).

Table 38 Executability of Quick Restore Command to Pairs That Consist of VLL Volume and
Normal Volumes

S-VOL

P-VOL

VLL Volume

VLL Volume

Normal Volume

Normal Volume

( OPEN-V)

(not OPEN-V)

(OPEN-V)

(not OPEN-V)

-

Not executable

-

Executable

Normal Volume (not OPEN-V)

Executable

-

Executable

-

Normal Volume (OPEN-V)

Executable

-

Not executable

VLL Volume (not OPEN-V)

Executable

-

Executable

-

VLL Volume (OPEN-V)

- : You cannot make pairs of the volumes.

Resynchronizing Pairs

83

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