ntbackup fails with 'No unused media available'

[age]

Hi, I am running a scheduled ntbackup job on a win2k server (Dell Poweredge 2600 and DLT1 drive) using the following scripts:

first this runs to refresh the RSM database to stop ntbackup saying there is no available media:

@ECHO OFF
RSM REFRESH /LF"Benchmark DLTtape(tm) DLT1/VS80 Drive"
RSM INVENTORY /LF"Benchmark DLTtape(tm) DLT1/VS80 Drive" /A"DEFAULT"

then this runs to start the backup job:

NTBACKUP.EXE BACKUP "@C:\Backup\Daily Backup.bks" /j "Full Backup" /v:no /hcn /m normal /l:s /r:no /rs:no /p "DLT" /um

According to everything I've read, this should ensure that the backup will use whatever media you give it, BUT I still sometimes get the backup failing with "The operation was not performed because no unused media was available." being logged in the backup log.

Is there a way to avoid this every time with ntbackup?

Thanks,

Adrian.

 

[karlisi]

For me it works without problems. I have DLT not DLT1 device. Are you sure you have "DLT" device in your Media pools under Removable Storage, not "DLT1" or something else?

===
Karlis
ECDL; MCP

 

[age]

Hi, thanks for the reply

Yeah, definitely DLT. 90% of the time this works, but we still get, maybe once a week, a 'no unused media' error occurring, which shouldnt happen!

Strange hey.

 

[karlisi]

Perhaps backup starts before inventory has performed. I have seen suggestions to put command 'sleep=30' from reskit (i do not remember exactly the syntax) after rsm inventory.

BTW for me backup runs without inventory and without problems.

===
Karlis
ECDL; MCP

 

[saddatabid]

age,

refer to
thread96-751449