APAR status
Closed as program error.
Error description
When trying to resolve a Disaster Recovery partitioned problem by following the instructions in the below link: . https://www.ibm.com/support/knowledgecenter/en/SS5K6E_9.0.0/com. ibm.mqa.doc/troubleshooting/tr00023_.html Resolving a partitioned problem in a disaster recovery configuration . the makedrprimary command from Step 3 above hangs without any output. When trying to perform any other Disaster recovery command in another SSH session it fails with an error stating that another HA/DR process is running.
Local fix
Problem summary
**************************************************************** USERS AFFECTED: This issue affects users of the IBM MQ appliance who need to use the makedrprimary command to recover from a partitioned state within a DR configuration Platforms affected: MultiPlatform **************************************************************** PROBLEM DESCRIPTION: This issue occurred if both sides of the DR group considered themselves the DR secondary (most likely if makedrsecondary had been run at both sites while the connection between the appliances was disrupted). This caused a deadlock when attempting nominate a new DR primary.
Problem conclusion
The makedrprimary command has been updated to prevent the deadlock if both sides consider themselves the DR secondary. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v9.1 CD 9.1.2 v9.1 LTS 9.1.0.2 The latest available maintenance can be obtained from 'WebSphere MQ Recommended Fixes' http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037 If the maintenance level is not yet available information on its planned availability can be found in 'WebSphere MQ Planned Maintenance Release Dates' http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309 ---------------------------------------------------------------
Temporary fix
Comments
APAR Information
APAR number
IT25596
Reported component name
IBM MQ APPL M20
Reported component ID
5725Z0900
Reported release
905
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2018-07-05
Closed date
2019-01-11
Last modified date
2019-01-11
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
IBM MQ APPL M20
Fixed component ID
5725Z0900
Applicable component levels
[{"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SS5K6E","label":"IBM MQ Appliance"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"905","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]
Document Information
Modified date:
11 January 2019