TSM备份报错：BACKUPDB Failed 14？

required volume was not mounted

以下为actlog

Date/Time Message

07/06/2023 09:00:08 ANR2750I Starting scheduled command BACKUPDB ( backup db

type=full devclass=lto_class_1 volume=000327L4,000328L4

wait=yes scratch=no ). (SESSION: 644113)

07/06/2023 09:00:08 ANR2017I Administrator ADMIN issued command: BACKUP DB

type=full devclass=lto_class_1 volume=000327L4,000328L4

wait=yes scratch=no (SESSION: 644113)

07/06/2023 09:02:14 ANR0984I Process 19860 for DATABASE BACKUP started in the

FOREGROUND at 09:02:14 AM. (SESSION: 644113, PROCESS:

19860)

07/06/2023 09:02:14 ANR2280I Full database backup started as process 19860.

(SESSION: 644113, PROCESS: 19860)

07/06/2023 09:02:14 ANR2753I (BACKUPDB):ANR0984I Process 19860 for DATABASE

BACKUP (SESSION: 644113)

07/06/2023 09:02:14 ANR2753I (BACKUPDB):started in the FOREGROUND at 09:02:14

AM. (SESSION: 644113)

07/06/2023 09:02:14 ANR2753I (BACKUPDB):ANR2280I Full database backup started

as process (SESSION: 644113)

07/06/2023 09:02:14 ANR2753I (BACKUPDB):19860. (SESSION: 644113)

07/06/2023 09:02:14 ANR1409W Volume 000327L4 already in use - skipped.

(SESSION: 644113, PROCESS: 19860)

07/06/2023 09:06:42 ANR8355E I/O error reading label for volume 000328L4 in

drive MT1 (/dev/tsmscsi/mt1). (SESSION: 644113, PROCESS:

19860)

07/06/2023 09:07:32 ANR8381E LTO volume 000328L4 could not be mounted in drive

MT1 (/dev/tsmscsi/mt1). (SESSION: 644113, PROCESS: 19860)

07/06/2023 09:07:32 ANR1402W Mount request denied for volume 000328L4 - volume

unavailable. (SESSION: 644113, PROCESS: 19860)

07/06/2023 09:07:32 ANR4578E Database backup/restore terminated - required

volume was not mounted. (SESSION: 644113, PROCESS: 19860)

07/06/2023 09:07:32 ANR0985I Process 19860 for DATABASE BACKUP running in the

FOREGROUND completed with completion state FAILURE at

09:07:32 AM. (SESSION: 644113, PROCESS: 19860)

07/06/2023 09:07:32 ANR2753I (BACKUPDB):ANR4578E Database backup/restore

terminated - (SESSION: 644113)

07/06/2023 09:07:32 ANR2753I (BACKUPDB):required volume was not mounted.

(SESSION: 644113)

07/06/2023 09:07:32 ANR2753I (BACKUPDB):ANR0985I Process 19860 for DATABASE

BACKUP (SESSION: 644113)

07/06/2023 09:07:32 ANR2753I (BACKUPDB):running in the FOREGROUND completed

with (SESSION: 644113)

07/06/2023 09:07:32 ANR2753I (BACKUPDB):completion state FAILURE at 09:07:32

AM. (SESSION: 644113)

07/06/2023 09:07:32 ANR2752E Scheduled command BACKUPDB failed. (SESSION:

644113, PROCESS: 19860)