We have a TSM DB Backup that occurs every morning:

Here are the results:
02/23/06   06:31:46      ANR2017I Administrator ADMIN issued command:
BACKUP DB
                          devclass=C_DEVC type=full wait=yes  (SESSION:
17232)

02/23/06   06:34:46      ANR0984I Process 918 for DATABASE BACKUP started
in the
                          FOREGROUND at 06:34:46. (SESSION: 17232, PROCESS:
918)
02/23/06   06:34:46      ANR2280I Full database backup started as process
918.
                          (SESSION: 17232, PROCESS: 918)

02/23/06   06:38:16      ANR8337I ECARTRIDGE volume 303008 mounted in drive
MT0
                          (/dev/mt0). (SESSION: 17232, PROCESS: 918)

02/23/06   07:18:47      ANR1361I Output volume 303008 closed. (SESSION:
17232,
                          PROCESS: 918)
02/23/06   07:18:47      ANR0515I Process 918 closed volume 303008.
(SESSION:
                          17232, PROCESS: 918)
02/23/06   07:18:47      ANR4550I Full database backup (process 918)
complete,
                          16707519 pages copied. (SESSION: 17232, PROCESS:
918)
02/23/06   07:18:47      ANR0985I Process 918 for DATABASE BACKUP running
in the
                          FOREGROUND completed with completion state
SUCCESS at
                          07:18:47. (SESSION: 17232, PROCESS: 918)
02/23/06   07:18:47      ANR0405I Session 17232 ended for administrator
ADMIN
                          (AIX). (SESSION: 17232)


We are using 9840 tape cartridges in an SL8500 tape silo running Server
Version 5, Release 3, Level 1.2

I'm a little bit leary that it also tells me that it fit the backup on 1
tape.

Is there some special compression going on?

Thanks!

Dave Zarnoch
Nationwide Provident
zarnocd AT nationwideprovident DOT com