NBU 用磁带机备份老mount,请教下大家

Question

以下是过程描述:

2011-4-6 15:14:20 - Warning bptm(pid=562 FREEZING media id A00033, it contains cpio-format data and cannot be used for backups
2011-4-6 15:14:16 - requesting resource backup-hcart3
2011-4-6 15:14:16 - requesting resource backup.NBU_CLIENT.MAXJOBS.WJ-N3700A
2011-4-6 15:14:16 - requesting resource backup.NBU_POLICY.MAXJOBS.NASBackupPolice
2011-4-6 15:14:16 - granted resource backup.NBU_CLIENT.MAXJOBS.WJ-N3700A
2011-4-6 15:14:16 - granted resource backup.NBU_POLICY.MAXJOBS.NASBackupPolice
2011-4-6 15:14:16 - granted resource A00033
2011-4-6 15:14:16 - granted resource IBM.ULT3580-HH3.000
2011-4-6 15:14:16 - granted resource backup-hcart3
2011-4-6 15:14:16 - estimated 265885656 kbytes needed
2011-4-6 15:14:16 - started process bpbrm (4772)
2011-4-6 15:14:16 - connecting
2011-4-6 15:14:16 - connected; connect time: 00:00:00
2011-4-6 15:14:18 - mounting A00033
2011-4-6 15:14:20 - mounted; mount time: 00:00:02
2011-4-6 15:14:20 - current media A00033 complete, requesting next media Any
2011-4-6 15:14:24 - current media -- complete, awaiting next media Any
         A pending request has been generated for this resource request.
         Operator action may be required. Pending Action: No action.,
         Media ID: A00015, Barcode: --------, Density: hcart3, Access Mode: Write,
         Action Drive Name: N/A, Action Media Server: N/A, Robot Number: N/A, Robot Type: NONE,
         Volume Group: ---, Action Acs: N/A, Action Lsm: N/A
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  请教下大家,为什么不能正常备份作业,而是一直mount,