Split Pair Problems - Hitachi G200 User Manual

Path status
Path Blockade
Program Error
In Progress
* 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
Deleting remote paths on page
page 5-2. If you cannot restore the path after performing these operations, contact
Hitachi Data Systems customer support.

Split pair problems

The following table provides a list of split pair problem types.
Pair
status/
type
PSUE (pair
suspended-
error) / by
RCU
PSUE / S-
VOL Failure
Hitachi TrueCopy® User Guide for Hitachi Virtual Storage Platform Gx00 and Fx00 Models
Description
Blockaded due to
continual path or link
failure.
The primary system
port does not work.
The secondary
system port does not
work.
The path relay
equipment does not
work.
The connection cable
is physically broken.
A program error is
detected.
Paths are being
created or deleted.
Deleting TrueCopy remote connections on page 7-18
7-17. To re-register, see
Applies
Description
to
P-VOL The primary system
detected an error
condition at the
secondary system, which
caused the primary
system to split the pair.
The S-VOL split type is S-
VOL Failure.
P-VOL The primary system
detected an error during
communication with the
secondary system, or
detected an I/O error
during update copy. In
this case, the split type
Troubleshooting
Corrective action
See the following.
Repair the port on the primary system, then
*
restore the path .
Repair the port on the secondary system, then
*
restore the path .
Repair the path relay equipment, then restore
*
the path .
Replace the broken cable, then restore the
*
path .
*
Restore the path .
Wait until processing is completed.
Adding remote connections on
Corrective action
Clear the error condition at the
secondary system or S-VOL, and
then resynchronize the pair from the
primary system.
If you need to access the S-VOL to
clear the error conditions, release the
pair from the secondary system.
After you clear the error conditions
from S-VOL, restart the pair.
• Check the path status on the
Remote Connections window. If
errors occurred on the path,
clear the error conditions.
• Clear any error conditions at the
secondary system or S-VOL, and
or
10-5