Troubleshooting sessions and copy sets

The following information explains how to troubleshoot problems related to sessions and copy sets.

Troubleshooting copy sets
Use this information to understand, isolate, and resolve copy sets problems.
Troubleshooting HyperSwap replication
Use this information to understand, isolate, and resolve problems with HyperSwap replication.
Troubleshooting Basic HyperSwap sessions
Use this information to understand, isolate, and resolve problems with Basic HyperSwap sessions.
Troubleshooting FlashCopy sessions
Use this information to understand, isolate, and resolve problems with FlashCopy sessions.
Troubleshooting Metro Mirror sessions
Use this information to understand, isolate, and resolve problems with Metro Mirror sessions.
Troubleshooting Global Mirror sessions
Use this information to understand, isolate, and resolve problems with Global Mirror sessions.
Troubleshooting Safeguarded Copy sessions
Use this information to understand, isolate, and resolve problems with Safeguarded Copy sessions.
Cannot define a new location for a session
This condition occurs when you want to assign a location to a session for site awareness.
Cannot create a specific type of session
This condition occurs when you attempt to create a session.
Cannot assign a desired location to the session roles
This condition occurs when you want to assign a location to a session for site awareness.
Error occurred when you issue a Start command
This condition occurs when you issue a Start command on a session.
Issuing a session command takes 10 minutes to complete or fails continuously
This condition occurs when issuing a session command.
Starting a session generates an x0F52 error
This condition occurs when issuing a session Start command.
Session does not change to the prepared state after you add copy sets
This condition occurs when you add copy sets to a suspended Metro Global Mirror session.
Received an IWNR2731E error when starting a Global Mirror or Metro Global Mirror session
This condition occurs when you exceed the maximum allowable number of Global Mirror or Metro Global Mirror Master sessions.
Received an IWNR1587E error
This condition occurs during normal operation of a Metro Global Mirror session.
Received an IWNR2734E error
This condition occurs when using Global Mirror or Metro Mirror session with SAN Volume Controller or Storwize® storage systems.
Received an IWNR2708E error
This condition occurs when the Recover command is issued on a session.
Received an IWNR2111E error
This condition occurs during operation of Metro Mirror or Global Mirror sessions with SAN Volume Controller or Storwize storage systems.