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Sharing volumes with resource partition, Sharing volumes with fast snap – HP XP Racks User Manual

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A host cannot access BC S-VOLs except when you split the pair.

Sharing volumes with Resource Partition

You can share BC P-VOLs and S-VOLs with Resource Partition by specifying them in a Resource
Partition resource group.

For more information about Resource Partition, see the HP XP7 Provisioning for Open Systems User
Guide

Prerequisite: The resource group must be assigned to a user group for which you have privileges.

Sharing volumes with Fast Snap

You can share BC/SS volumes with FS volumes. You can assign shared pairs to CGs, though not
to the same CG.

The following table shows how you can share FS volumes.

BC volume

FS volumes

S-VOL

P-VOL

YES

2

YES

P-VOL (all statuses except “RCPY”)

1

NO

NO

V-VOL

NO

NO

Data pool

1. BC cannot use an FS P-VOL in “RCPY” status.

For more information about sharing volumes, see the following tables.

2. You must create the BC pair before you create the FS pair.

BC/SS pair tasks that you can perform are limited according to the FS pair status. The following
sections show the BC/SS supported tasks.

Pair tasks with Fast Snap primary volume shared with Business Copy/Snapshot
primary volume

The following table shows the pair tasks that you can perform when you share the BC P-VOL with
the FS P-VOL.

FS pair status

BC task (RAID Manager command)

PSUE

RCPY

COPY

2

PSUS, PFUS

PAIR, PFUL

COPY

1

YES

NO

YES

YES

YES

YES

Create a pair (Paircreate)

YES

NO

YES

YES

YES

YES

Create and split a pair (Paircreate -split)

YES

NO

YES

YES

YES

YES

Split a pair (pairsplit)

YES

NO

YES

YES

YES

YES

Resynchronize a pair (pairresync)

YES

NO

YES

YES

YES

3

YES

Reverse Copy a pair (pairresync -restore)

NO

NO

NO

NO

NO

NO

Quick Restore a pair (pairresync -restore)

YES

YES

YES

YES

YES

YES

Suspend a pair task (pairsplit -E)

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Sharing Business Copy volumes

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