Upgraded my AIX TSM server to AIX 5.1 and TSM 5.2.1.3, about 3-weeks ago.

I get an email from a user about the TSM server not responding, during the
holidays.

I checked the server Activity Log and here is what I found for the time
frame in question:

01/02/04 01:33:24 ANR0403I Session 12878 ended for node ASPEN.WEEKLY
(WinNT).
01/02/04 02:16:41 ANR0984I Process 680 for SPACE RECLAMATION started in
the BACKGROUND at 02:16:41.
01/02/04 02:16:41 ANR1040I Space reclamation started for volume 070415,
storage pool COPYPOOL (process number 680).

Note the complete absence of *ANYTHING* from 01:33:24 til 02:16:41
(45-minutes).

The TSM server just completely "winked out" ?

I have accounting turned on and checked the DSMACCNT.LOG file.   Same gap
???

Any suggestions on figuring this out ?