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Summary
Problem: AIX media manager throws a lot of FC alerts and after some time it hangs with no progress
Solution: Fix as in QCCR2A27239 from DP Labs helps fixing this issue
Question
DP 6.21 CM hangs/freezes and requires a system reboot to cleanly kill off all locked devices and processes.
Latest observation is copious FCP_ERR10 occuring on Aix 7.1 MA clients whilst backups are running.
LABEL: FCP_ERR10
IDENTIFIER: 5A7598C3
Date/Time: Thu Aug 14 14:29:07 EST 2014
Sequence Number: 2470349
Machine Id: 00C32B874C00
Node Id: aup4051l
Class: O
Type: INFO
WPAR: Global
Resource Name: fscsi7
Description
Additional FC SCSI Protocol Driver Information
Recommended Actions
WAIT FOR ADDITIONAL MESSAGE BEFORE TAKING ACTION
Latest observation is copious FCP_ERR10 occuring on Aix 7.1 MA clients whilst backups are running.
LABEL: FCP_ERR10
IDENTIFIER: 5A7598C3
Date/Time: Thu Aug 14 14:29:07 EST 2014
Sequence Number: 2470349
Machine Id: 00C32B874C00
Node Id: aup4051l
Class: O
Type: INFO
WPAR: Global
Resource Name: fscsi7
Description
Additional FC SCSI Protocol Driver Information
Recommended Actions
WAIT FOR ADDITIONAL MESSAGE BEFORE TAKING ACTION
Answer
Problem: Data Protector's Media Agent module is unable to work withtape drives on AIX 7.1 servers.Symptom: AIX media manager is throwing copious FCP_ERR10alerts and after some time session hangs with no progress and impacts performance of Cell ManagerSolution:Fixed in DP 7.01 version onwards.For DP 7.0 and below, please log a service request for hotfix: QCCR2A27239_TM3 which provides the fixed binaries for Media AgentIBM AIX 7.1-----------bmacmammarmadevbra# cksum *2717441534 9431040 QCCR2A27239_TM3.tar3375828788 1217 QCCR2A27239_TM3.txt1762874201 2079028 bma3732151394 1999364 cma429391217 879633 devbra1289844646 1981868 mma3624666161 2482212 rmaPlease also consider visiting the web-based version of this response at:http://support.microfocus.com/kb/kmdoc.php?id=KM01097429