HP XP P9500 Storage - Manual (Page 117)

Table 22 Logical path troubleshooting (continued)
Corrective action Description Path status
After deletion finishes, add the path and the secondary system by
using the Add Path or Add DKC command.
Troubleshooting suspended pairs
Troubleshooting information for user-suspended and system-suspended pairs is provided in the
following two tables.
Hardware failures affecting the cache memory and the shared memory of the primary or secondary
system may also cause the pairs to be suspended.
Table 23 Suspended pair troubleshooting
Corrective Action Description Applies to Suspend Type
Restore the pair from the primary storage
system. The user suspended the pair from the
primary or the secondary storage system
by using the S-VOL option. P-VOL, S-VOL Secondary
Data Volume
by Operator
Clear the error condition at the secondary
storage system or S-VOL. If you need to The primary storage system suspended a
pair because the primary storage system P-VOL by RCU
access the S-VOL, release the pair from the detected an error condition at the
secondary storage system.
secondary storage system. If any data on
the S-VOL has changed, release the pair
from the primary storage system and then
re create the pair (Add Pair). If data on the
S-VOL has not changed, restore the pair from
the primary storage system.
Release the pair from the primary storage
system, and then restore the pair. You should The primary storage system detected that
the S-VOL status changed to Simplex P-VOL Delete Pair to
RCU
use the Entire initial copy option to because the user released the pair from
the secondary storage system.
resynchronize the pair. 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 115) ).
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 The primary system could not find valid
control information in its nonvolatile P-VOL, S-VOL MCU IMPL
an initial copy operation in response to the memory during the IMPL procedure. This
pairresync 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 storage
system. Clear all error conditions at the The primary storage system suspended
this pair during the initial copy operation. P-VOL, S-VOL Initial Copy
Failed
primary storage system, the P-VOL, the The data on the S-VOL is not identical to
secondary storage system, and the S-VOL. the data on the P-VOL. Invalid track format
can cause this suspension.
Reformat failed track by using ICKDSF.
Troubleshooting suspended pairs 117