HP StorageWorks XP Remote Web Console Software - Manual (Page 165)

1. Connect to the MCU of the pair, and open the TrueCopy for Mainframe windows.
2. Suspend the pair, if not already suspended, using the R-VOL suspend option and the TrueCopy
for Mainframe Asynchronous Volume and Purge suspend options. You can also use the
CSUSPEND TSO command to suspend the pair.
3. After the M-VOL status changes to suspended/R-VOL by operator, run ICKDSF to repair the
M-VOL.
4. When volume repairs are complete, resynchronize the TrueCopy for Mainframe pair. When
resynchronizing a suspended TrueCopy for Mainframe Asynchronous pair, make sure to use
the appropriate Resume Range option. You can also use the CESTPAIR (MODE=RESYNC)
command to resynchronize the pair.
ICKDSF on a TrueCopy for Mainframe R-VOL
If you need to run ICKDSF on a TrueCopy for Mainframe R-VOL, you must change the status of the
R-VOL to simplex to allow write access to the R-VOL. The TrueCopy for Mainframe pair must then
be restarted using the appropriate initial copy options. To perform ICKDSF on a TrueCopy for
Mainframe R-VOL:
1. For TrueCopy for Mainframe Synchronous pairs, you can stop write I/Os to the M-VOL while
the R-VOL is being repaired. To do this, suspend the pair from the MCU using M-VOL Failure
for the Suspend Kind option (or use CSUSPEND to suspend the pair).
2. Connect to the storage system containing the R-VOL, and open the TrueCopy for Mainframe
windows.
3. Locate and select the R-VOL to be repaired, and then release the pair. For a TrueCopy for
Mainframe Asynchronous R-VOL, make sure to use Volume for the Delete Range option. You
can also use CRECOVER to release the pair at the RCU.
4. If necessary, change the R-VOL VOLSER to avoid problems due to duplicate VOLSERs.
5. Vary the R-VOL online, and run ICKDSF to repair the R-VOL. When the volume repairs are
complete, vary the R-VOL offline.
6. Connect to the MCU, locate and select the M-VOL, note the group number, and release the
pair. For a TrueCopy for Mainframe Asynchronous M-VOL, make sure to use the Volume for
the Delete Range option.
7. Restart the pair using the Add Pair dialog box (or CESTPAIR). Use Entire Volume for Initial
Copy option to resynchronize the M-VOL and R-VOL.
If you are absolutely sure that the M-VOL and R-VOL are still identical, you can restart the pair
using the No Copy option.
Pinned Track Recovery for TrueCopy for Mainframe Volumes
To ensure full data integrity of the pair while recovering the pinned track, use the following
procedure:
1. Connect to the MCU of the TrueCopy for Mainframe pair which contains the volume with the
pinned track, and select the correct CU.
2. Release the TrueCopy for Mainframe pair which contains the volume with the pinned track.
If you release the TrueCopy for Mainframe Asynchronous pair, release only pair which contains
the volume with the pinned track. To release only TrueCopy for Mainframe Asynchronous pair
which contains the volume with the pinned track, select Volume for Asynchronous Parameters
and Delete Range.
Pinned Track Recovery for TrueCopy for Mainframe Volumes 165