I have some (strange) tape problems, for example with tape 000401 (AIX 4.3.3.0,
TSM server 4.1.4.1, 3494/3590E:

Problems with accessing some tapes, for example 000401:

10/03/01   08:21:57  ANR0406I Session 2438 started for node ISIS-S315 (AIX)
                      (Tcp/Ip 145.100.17.2(4289)).
10/03/01   08:21:59  ANR1401W Mount request denied for volume 000401 - mount
                      failed.
10/03/01   08:21:59  ANR1401W Mount request denied for volume 000401 - mount
                      failed.
10/03/01   08:22:00  ANR1401W Mount request denied for volume 000401 - mount
                      failed.
10/03/01   08:22:00  ANR0525W Transaction failed for session 2438 for node
                      ISIS-S315 (AIX) - storage media inaccessible.
10/03/01   08:22:02  ANR9999D sstrans.c(601): Unexpected next frame sequence
                      number 2 - aggregate may already be open.
10/03/01   08:22:02  ANR0530W Transaction failed for session 2438 for node
                      ISIS-S315 (AIX) - internal server error detected.
10/03/01   08:22:03  ANR9999D sssess.c(480): Unexpected next frame sequence
                      number - aggregate may be open at end of session.
10/03/01   08:22:03  ANR0403I Session 2438 ended for node ISIS-S315 (AIX).

tsm: BASKET>checkout libvol 3494LIB 000401
ANR8442E CHECKOUT LIBVOLUME: Volume 000401 in library 3494LIB is currently in
use.
ANS8001I Return code 12.

tsm: BASKET>restore volume 000401

10/03/01   13:01:42  ANR2017I Administrator ADMIN issued command: RESTORE
                      VOLUME 000401
10/03/01   13:01:42  ANR2114I RESTORE VOLUME: Access mode for volume 000401
                      updated to "destroyed".
10/03/01   13:01:42  ANR0984I Process 192 for RESTORE VOLUME started in the
                      BACKGROUND at 13:01:42.
10/03/01   13:01:42  ANR1232I Restore of volumes in primary storage pool
                      3494POOL started as process 192.
10/03/01   13:01:42  ANR2110I RESTORE VOLUME started as process 192.
10/03/01   13:01:50  ANR1235I Restore process 192 ended for volumes in storage
                      pool 3494POOL.
10/03/01   13:01:50  ANR0985I Process 192 for RESTORE VOLUME running in the
                      BACKGROUND completed with completion state SUCCESS at
                      13:01:50.
10/03/01   13:01:50  ANR1240I Restore of volumes in primary storage pool
                      3494POOL has ended.  Files Restored: 0, Bytes Restored:
                      0, Unreadable Files: 0, Unreadable Bytes: 0.
10/03/01   13:01:50  ANR1256W Volume 000401 contains files that could not be
                      restored.

Cheers,
Henk.