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AIX 6.1 strange Hangs

questil
questil asked
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Last Modified: 2012-05-12
Hi,
I have AIX 6.1 machine that hangs lately very often.
When it hangs it doesn't response when I try to ssh the server, but to telnet it I can enter user & password and that's all; it doesn't proceed after I type the password. it's also respond the same when I try to login from the console (command line login)
It hangs this morning, and after hard reset I checked the errpt and there was nothing there that might provide a lead to the cause.
After the reboot I left an open ssh session to this server and now it hangs again (after 4.5 hours): I can't open new sessions, but the session I left open is alive.
Naturally,  I checked the errpt again, and there was nothing there that might provide a lead to the cause, the last entry was from 4.5 hours ago after the last boot this morning.

Any idea how to troubleshoot this problem and what might cause it?

Thanks,
Tal
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