HP XP RAID Manager Software User Manual

Page 22

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with these systems, according to the status of the shared pair, and vice versa. The following tables
show the relationship between pair operations and status.

Table 10 SS Operations when P-VOL shared with Cnt Ac-S or Cnt Ac-J P-VOL

Continuous Access Synchronous / Continuous Access Journal Status

Snapshot Operation

Delete

Suspend

PSUE

PSUS

PAIR

COPY

Yes

Yes

Yes

Yes

Yes

Yes

Create pair

Yes

Yes

Yes

Yes

Yes

Yes

Split pair

No

No

Yes

Yes

No

No

Restore pair

Yes

Yes

Yes

Yes

Yes

Yes

Delete Snapshot data

Yes

Yes

Yes

Yes

Yes

Yes

Delete pair

Table 11 SS Operations when P-VOL shared with Cnt Ac-S or Cnt Ac-J S-VOL

Continuous Access Synchronous / Continuous Access Journal Status

Snapshot Operation

Delete

Suspend

SSWS

1

PSUE

PSUS

PAIR

COPY

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Create pair

Yes

Yes

Yes

Yes

Yes

Yes

No

Split pair

No

No

No

No

No

No

No

Restore pair

2

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Delete Snapshot data

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Delete pair

1

SSWS is a Cnt Ac-J pair status. Cnt Ac-S pairs do not change to SSWS status.

2

When restoring a SS pair whose P-VOL is used as a Cnt Ac-S or Cnt Ac-J S-VOL, switch operations to the remote site

using the horctakeover command.

Table 12 Cnt Ac-S/Cnt Ac-J Operations when P-VOL shared with SS P-VOL

Snapshot Status

Cnt Ac-S/Cnt Ac-J Operation

PSUE

COPY (RS-R)

COPY (RS)

SMPL (PD)

PSUS

PAIR

COPY

Yes

No

Yes

Yes

Yes

Yes

Yes

Create pair

Yes

N/A

Yes

Yes

Yes

Yes

Yes

Split pair

Yes

No

Yes

Yes

Yes

Yes

Yes

Resynchronize pair

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Delete pair

Yes

No

Yes

Yes

Yes

Yes

Yes

Switch to remote site
(horctakeover)

Table 13 Cnt Ac-S/Cnt Ac-J Operations when P-VOL shared with SS S-VOL

Snapshot Pair Status

Continuous Access
Synchronous / Continuous
Access Journal Operations

PSUE

COPY(RS-R)

COPY(RS)

SMPL(PD)

PSUS

PAIR

COPY

No

No

No

Yes

No

No

No

Create pair*

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Split pair

Yes

No

Yes

Yes

Yes

Yes

Yes

Resynchronize pair

Yes

Yes

Yes

Yes

Yes

Yes

Yes

Delete pair

22

Sharing Snapshot volumes

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