APAR status
Closed as program error.
Error description
An MQ appliance that used to belong to an HA configuration was factory reset by using the reinitialize command. An attempt to create a new HA group with this appliance and another one failed with following messages: . mqa(mqcli)# prepareha -s SecretText -a 192.0.2.8 AMQ6593I: Waiting up to 600 seconds for remote system to respond. AMQ6594E: The prepareha command was unable to connect to a crthagrp On the other appliance... mqa(mqcli)# crthagrp -s SecretText -a 192.0.2.7 During prepareha or crthagrp processing, the partner did not reply within thetimeout period. The prepareha logs shows... Fri Jul 5 15:21:37 BST 2019:13581: AMQ6593I: Waiting up to 600 seconds for remote system to respond. Fri Jul 5 15:21:37 BST 2019:13581: rc(0) Fri Jul 5 15:21:37 BST 2019:13581: No sign of public key for remote system 0 Fri Jul 5 15:21:37 BST 2019:13581: No sign of public key for remote system 1 Fri Jul 5 15:21:37 BST 2019:13581: No sign of public key for remote system 2
Local fix
Problem summary
**************************************************************** USERS AFFECTED: MQ Appliance users who use the HA feature. Platforms affected: MultiPlatform **************************************************************** PROBLEM DESCRIPTION: The HA configuration fails on the MQ appliance which was previously part of another HA group. The failure is seen even after the MQ Appliance is reinitialized. The SSH host keys from the previous configuration are still remembered and as a result the new HA configuration fails.
Problem conclusion
The code has been modified to remove any old SSH host keys before configuring HA. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v9.1 LTS 9.1.0.5 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
IT29696
Reported component name
IBM MQ APPL M20
Reported component ID
5725Z0900
Reported release
911
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2019-07-11
Closed date
2019-10-28
Last modified date
2019-10-28
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":"911","Edition":"","Line of Business":{"code":"LOB36","label":"IBM Automation"}}]
Document Information
Modified date:
28 October 2019