IBM Support

AIX ClearCase server is not responsive during DNS outage

Troubleshooting


Problem

IBM Rational ClearCase services on an AIX server, even on the host system alone, are not responsive or report errors such as, cleartool: Error: unknown host '': Host not found", when DNS is not functional.

Symptom

Cleartool or multitool commands hang or time out with an error:

cleartool: Error: unknown host '<hostname>': Host not found"

multitool: Error: unknown host '<hostname>': Host not found"


The server is effectively down for all users. All client and administrative ClearCase functions hang or fail on AIX. Solaris or Linux servers may appear to be unaffected.

[{"Product":{"code":"SSSH27","label":"Rational ClearCase"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Operating System Configurations","Platform":[{"code":"PF002","label":"AIX"}],"Version":"7.0;7.0.1;7.1;7.1.1;7.1.2;8.0","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
29 September 2018

UID

swg21566964