HP StorageWorks XP Remote Web Console Software - Manual (Page 155)

Hitachi TrueCopy for z/OS user guide 155
The following table provides troubleshooting instructions for the TC390A suspension conditions caused by
the offloading timer asynchronous option, the group timeout options (copy pending and RCU ready), and
by MCU R-VOL The RCU received a request from the
MCU to suspend the pair. The M-VOL
suspend type is M-VOL by Operator or
R-VOL by Operator.
Resume the pair from the MCU.
by RCU M-VOL The MCU detected an error condition
at the RCU that caused the MCU to
suspend the volume pair. The R-VOL
suspend type is by MCU.
Clear the error condition at the RCU or
R-VOL. If you need to access the R-VOL,
delete the pair from the RCU.
If any data on the R-VOL has changed,
delete the pair from the MCU and then
restart the pair (Add Pair). If not, resume
the pair from the MCU.
Delete Pair to
RCU
M-VOL The MCU detected that the R-VOL
status changed to simplex because the
user deleted the pair from the RCU.
The pair cannot be resumed because
the R-VOL does not have the
suspended status.
Delete the pair from the MCU and then
restart the pair. You should use the Entire
initial copy option to resynchronize the
pair. You can use the No Copy initial
copy option only if no data on the
M-VOL or R-VOL changed.
R-VOL Failure M-VOL The MCU detected an error during
communication with the RCU or an
I/O error during update copy. In this
case, the suspend type for the R-VOL is
usually by MCU.
Check the path status on the RCU Status
window (see Table 30 on page 153).
Clear any error conditions at the
RCU/R-VOL. If you need to access the
R-VOL, delete the pair from the RCU.
If any data on the R-VOL has changed,
delete the pair from the MCU and then
restart the pair (Add Pair). If not, resume
the pair from the MCU.
MCU IMPL M-VOL,
R-VOL
The MCU could not find valid control
information in its nonvolatile memory
during the IMPL procedure. This error
occurs only if the MCU is without
power for more than 48 hours (power
failure and fully discharged batteries).
Resume the pair from the MCU. The
MCU will perform an entire initial copy
operation in response to the resume pair
request.
Initial Copy
Failed
M-VOL,
R-VOL
The MCU suspended this pair during
the initial copy operation. The data on
the R-VOL is not identical to the data
on the M-VOL. Invalid track format can
cause this suspension.
Delete the pair from the MCU. Clear all
error conditions at the MCU, M-VOL,
RCU, and R-VOL. Reformat failed track
using ICKDSF. Restart the initial copy
operation using the Add Pair window.
by FREEZE M-VOL,
R-VOL
All TC390 Synchronous pairs in the
MCU were suspended by the
CGROUP/RUN command.
Resume the pair(s) from the MCU using
Resume Pair or the CESTPAIR
(MODE=RESYNC) TSO command.
MCU P/S-OFF R-VOL
(TC390A)
The MCU suspended all TC390A pairs
due to MCU power-off.
None. The MCU will automatically
resume these TC390A pairs during
power-on.
by Sidefile
Overflow
M-VOL,
R-VOL
The amount of sidefile exceeds the
specified current pending update data
rate and the RCU data is not
transferred within the specified
offloading timer.
Add cache memory, increase the number
of paths between MCU and RCU, or
decrease the number of Async pairs or
host I/Os.
Table 31 Troubleshooting suspended TrueCopy pairs (continued)
Suspend Type Applies to Description Corrective Action