Status, pair operations permitted, Status for l1, l2 pairs and operations permitted, Status for l1, l2 pairs and operations – HP XP P9500 Storage User Manual

Page 55

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RAID Manager pair status name

RWC pair status name

RCPY

COPY(RS-R)/RCPY

PSUE

PSUE

Status, pair operations permitted

A pair’s status shows whether a desired operation can be performed. Each operation requires a
specific status, or is permitted for multiple possible statuses.

Supported operations and statuses are shown in the following tables.

Pair operation

Pair Status

Delete pairs

Suspend pairs

Resync pairs
(reverse)

Resync pairs
(forward)

Split pairs

Create pairs

N O

NO

NO

NO

NO

NO

SMPL(PD)

YES

YES

NO

NO

YES

YES

COPY(PD)/COPY

YES

YES

NO

NO

YES

YES

PAIR

YES

YES

NO

NO

NO

YES

COPY(SP)/COPY

NO

YES

NO

YES

NO

YES

PSUS(SP)/PSUS

YES

YES

YES

YES

NO

YES

PSUS

YES

YES

NO

NO

NO

YES

COPY(RS)/COPY

YES

YES

NO

NO

NO

YES

COPY(RS-R)/RCPY

YES

NO

NO

YES

NO

YES

PSUE

Related information

“Status for L1, L2 pairs and operations permitted” (page 55)

“Status of unaffected S-VOLs, operations permitted ” (page 57)

Status for L1, L2 pairs and operations permitted

When you have cascaded pairs, the operations that you can perform depend on pair status for
both layers. The ability to perform an operation depends on the following:

To perform an L1 operations, the status of the L2 pair

To perform an L2 operations, the status of the L1 pair

Supported read/write on L1 and L2 S-VOLs

Supported operations and statuses are shown in the following tables.

Table 6 Supported L1 pair operations for related L2 Status

L1 pair operation

L2 Pair Status

Delete pairs

Suspend pairs

Resync pairs

Split pairs

Create pairs

YES

YES

YES

YES

YES

COPY(PD)/COPY

YES

YES

YES

YES

YES

PAIR

YES

YES

NO

NO

NO

COPY(SP)/COPY

YES

YES

NO

NO

NO

PSUS(SP)/PSUS

YES

YES

YES

YES

YES

PSUS

Monitoring the system

55

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