HP XP7 for Compatible FlashCopy Mirroring User Guide (TK940-96001)

6 Troubleshooting
This chapter provides troubleshooting information for Compatible FlashCopy and instructions for
calling technical support.
If a Compatible FlashCopy relationship is suspended
Compatible FlashCopy relationships may be suspended if a hardware or software failure occurs
during operation. If Compatible FlashCopy relationships are suspended, hosts may be unable to
access copy target datasets.
To find whether suspended Compatible FlashCopy relationships exist within the volumes, use the
Pair Operation window. If the Relationships column of the volume list displays S-Failed or T-Failed,
a suspended Compatible FlashCopy relationship exists within the volume.
To delete a suspended Compatible FlashCopy relationship, do one of the following:
• Delete the copy target dataset that has the suspended Compatible FlashCopy relationship
(that is, delete the dataset that is inaccessible from the hosts). The operating system will
automatically recognize the relationship that has the dataset to be deleted, and will issue the
Withdraw command.
• Issue the TSO FCWITHDR command. If the suspended Compatible FlashCopy relationship
can be identified, issue the FCWITHDR command to its extent.
If ICKDSF command ends abnormally
When you execute the ICKDSF command to a Cnt Ac-S Z P-VOL or BC Z S-VOL that is in pending
status, the ICKDSF job ends abnormally with CC=12.
The following table shows how to avoid the abnormal endings:
Table 62 Avoiding abnormal endings of the ICKDSF commands
How to avoidCommand
FLASHCPY ESTABLISH
• Use the TSO command or the DFSMSdss command.
• Check if a Cnt Ac-S Z pair or BC Z pair is in duplex or suspend status, and
then execute the FLASHCPY ESTABLISH command. To check the pair status,
use the CQUERY command of the TSO.
FLASHCPY WITHDRAW
• Use the TSO command.
• Check if a Cnt Ac-S Z pair or BC Z pair is in duplex or suspend status, and
then execute the FLASHCPY WITHDRAW command. To check the pair status,
use the CQUERY command of the TSO.
FLASHCPY QUERY
• Execute the FLASHCPY QUERY or the FLASHCPY QUERY RELATIONS command
to the T-VOL of Compatible FlashCopy.
FLASHCPY ESTABLISH
• When you are going to execute the FLASHCPY QUERY or the FLASHCPY
QUERY RELATIONS command on the S-VOL of Compatible FlashCopy, check
if a Cnt Ac-S Z pair or BC Z pair is in duplex or suspend status, and then
execute the command. Use the CQUERY command of the TSO to check the
pair status
SIM Reporting
The storage system reports a service information message (SIM) to the host when it is necessary to
notify the user of a possible service requirement for the storage system.
The SIMs are classified as follows according to severity for reporting and logging purposes:
1. Service
108 Troubleshooting