Troubleshooting using remote web console – HP XP P9500 Storage User Manual

Page 118

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Table 23 Suspended pair troubleshooting (continued)

Corrective Action

Description

Applies to

Suspend Type

Restart the initial copy operation by using
the Add Pair dialog box.

None. The primary system automatically
restores these Cnt Ac-J Z pairs when it is
powered on.

The primary system suspended all Cnt Ac-J
Z pairs because it was powered off.

S-VOL

MCU
P/S-OFF

Table 24 Resolving pair suspension

Recovery procedure

SIM

Causes of suspension

Classification

According to SIM, remove the hardware
blockade or failure.

DC0x
DC1x
DC2x

Hardware redundancy has been lost due
to some blockade condition. As a result,
one of the following could not complete:

Primary or
secondary system
hardware

If a failure occurs when Business Continuity
Manager is being used, secondary volumes

primary-secondary system
communication, journal creation, copy

in Suspend (equivalent to SWAPPING in

operation, restore operation, staging
process, or de-staging process.

Business Continuity Manager) may remain in
the master journal. If these volumes remain,

Journals cannot be retained because
some portion of the cache memory or

execute the YKRESYNC REVERSE option on
the secondary volumes with a pair status of

the shared memory has been blocked
due to hardware failure.

Suspend, which is equivalent to SWAPPING
in Business Continuity Manager terminology
(YKRESYNC is the Business Continuity

The primary system failed to create and
transfer journals due to unrecoverable
hardware failure.

Manager command for resynchronizing a
pair.) This operation changes all volumes in
the master journal to primary volumes. After

The secondary system failed to receive
and restore journals due to
unrecoverable hardware failure.

this operation, restore the volume pairs
(Resume Pair).

The drive parity group was in
correction-access status while the Cnt
Ac-J Z pair was in Pending Duplex status.

Remove the failure from the primary and
secondary systems or the network relay
devices.

DC0x

DC1x

Communication between the systems
failed because the secondary system or
network relay devices were not running.

Communication
between the
primary and
secondary systems

If necessary, increase resources as needed
(for example, the amount of cache, the

Journal volumes remained full even after
the timeout period elapsed.

number of paths between primary and
secondary systems, the parity groups for
journal volumes, etc.).

Restore the failed pairs (Resume Pair).

Release failed pairs (Delete Pair).

DC2x

An unrecoverable RIO (remote I/O)
timeout occurred because the system or

RIO overload or
RIO failure

If necessary, increase resources as needed
(for example, the amount of cache, the

network relay devices were overloaded.
Or, RIO could not be finished due to a
failure in the system.

number of paths between primary and , the
parity groups for journal volumes, etc.).

Re-establish failed pairs (Add Pair).

No recovery procedure is required. The
primary system automatically removes the

DC8x

The Cnt Ac-J Z pairs were temporarily
suspended due to a planned power
outage to the primary system.

Planned power
outage to the
primary system

suspension condition when the system is
powered on.

Troubleshooting using Remote Web Console

The user is responsible for the operation and normal maintenance of Remote Web Console
computers. For troubleshooting information on Remote Web Console, see HP StorageWorks P9000
Remote Web Console User Guide
.

118

Troubleshooting

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