Troubleshooting by suspension type – HP XP P9500 Storage User Manual

Page 116

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Corrective action

Description

Path status

Restore the path

*

.

This path was not established.

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* To restore a path, delete and then add the path again. It may be necessary to delete and then add the RCU again.

To delete the RCU or path, see

(page 101)

or

(page 100)

. To re-register, see

(page 60)

. If you cannot restore the path after performing

these operations, contact HP for assistance.

Troubleshooting by suspension type

Troubleshooting information for suspended pairs by suspension type is provided in the following
table.

Corrective Action

Description

Applies to

Suspend Type

Restore the pair from the primary system.

The user suspended the pair from the
primary or the secondary system by using
the S-VOL option.

P-VOL, S-VOL

Secondary Data
Volume by
Operator

Clear the error condition at the secondary
system or S-VOL. If you need to access the

The primary system suspended a pair
because the system detected an error
condition at the secondary system.

P-VOL

by RCU

S-VOL, release the pair from the secondary
system. If any data on the S-VOL has
changed, release the pair from the primary
system and then re create the pair (Add Pair).
If data on the S-VOL has not changed, restore
the pair from the primary system.

Release the pair from the primary system, and
then restore the pair. You should use the Entire

The primary system detected that the
S-VOL status changed to Simplex because

P-VOL

Delete Pair to RCU

initial copy option to resynchronize the pair.

the user released the pair from the
secondary system.

You can use the None initial copy option only
if no data on the P-VOL or S-VOL changed.

Check the path status (see

“Troubleshooting

logical paths ” (page 114)

).

The primary system detected an error
during communication with the secondary

P-VOL

Secondary Data
Volume Failure

Clear any error conditions at the secondary
system and the S-VOL. If you need to access

system or detected an I/O error during
update copy. In this case, the suspend
type for the S-VOL is usually by MCU.

the S-VOL, release the pair from the secondary
system. If data in the S-VOL has been
changed, release the pair from the primary
system and then re-create the pair. If data in
the S-VOL has not been changed, restore the
pair from the primary system.

Restore the pair (pairresync) from the primary
system. The primary system performs an initial

The primary system could not find valid
control information in its nonvolatile

P-VOL, S-VOL

MCU IMPL

copy operation in response to the pairresync

memory during the IMPL procedure. This

request; the entire P-VOL is copied to the
S-VOL.

error occurs only if the primary system is
without power for more than 48 hours
(power failure and fully discharged
batteries).

Release the pair from the primary system.
Clear all error conditions at the primary

The primary system suspended this pair
during the initial copy operation. The data

P-VOL, S-VOL

Initial Copy Failed

system, the P-VOL, the secondary system, and

on the S-VOL is not identical to the data

the S-VOL. Reformat failed track by using

on the P-VOL. Invalid track format can
cause this suspension.

ICKDSF. 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

116

Troubleshooting

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