[Networker] Legato doesn't pickup tapes...

Hi All,
Some times, in the middle of backup, Legato doesn't pickup tapes for writing
eventhough tapes are available in the autochanger and a pending message for
waiting tape appears until mount the tape manually.
--Device Consecutive errors are 0 and Max. consecutive errors-20
--Device write enabled is okay

Yesterday I have started a backup group of 31 clients(full backup around
2.5TB data - around 17 tapes are required). After writing 2 tapes fully,
Legato didn't eject/load tapes further for writing. It was simply waiting
for tapes till today(I have mounted tapes manually in the morning). All
devices are enabled and consecutive errors are 0 for both drives.

Has anybody faced this problem? Can anyone tell me the workaround for the
above problem?

Backup Server configuration:
Compaq Proliant ML530(dual processor)/ 2048MB RAM / Win2k Server /
Networker6.1.3 Network Edition / HP NC6136 Gigabit Server Adapter / HP
Storageworks 5026 Tape Library with 2 SDLT 110/220 drives.

Thanks,
Srinivas Rao.

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