Rick,

ask L1/L2 about how to make db2 on aix use tcpip to communicate with dsmserv.
aix has a problem doing the massive amount of ipc processing which db2 
generates.

I learned of this recently when the rhel 6.6 kernel bug bit us.
The switch to tcpip is available on all platforms.  TSM will run slower but at 
least
it will run.

Good luck!

Bill Colwell
Draper Lab

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of 
Rhodes, Richard L.
Sent: Friday, February 13, 2015 9:49 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: v6.3.5 hung db2??

Two days ago we upgrade one of our TSM instances to v6.3.5 (from v6.3.4).
This is our first v6.3.5 instance.   It runs on a AIX server.

Last night at 19:32 it looks like DB2 went into some kind of a loop.
The instance became unresponsive.  Dsmadmc cmds hung (didn't error, just hung).
Dsmserv process was getting almost no cpu, while ds2sync was running the box
At 65-70% but had no disk I/O.  I killed dsmserv, but db2 didn't go down.
I tried db2stop but it did nothing.  Finally rebooted to get everything up.
The actlog shows no nasty errors.

Just wondering if anyone else has had a runaway db2.

Thanks

Rick






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