When I get the "Expected volume 'x' ... actual volume is '<NULL>'
message it's because the tape drive failed to read the tape label.  What
works for me most often is to clean the drive and try again.  If that
doesn't work but you can mount other tapes then perhaps the tape itself
is bad.  If after a couple of cleanings you still can't load any tapes
then I'd suspect the drive itself.

If you have other drives of the same type you might try mounting the
tape on them as an experiment.

Dave

Dave Werth
Garmin AT, Inc.
Salem, Oregon
-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On
Behalf Of psoni
Sent: Thursday, April 30, 2009 9:30 AM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: [Networker] Tape Error During Restore

Restore hung and I got the following message in daemon.log

04/30/09 11:27:45 nsrd: Operation 40 started : Load volume `000033L3'.
04/30/09 11:27:45 nsrd: media waiting event: waiting for LTO Ultrium-3
tape 000033L3 on c999s109.docs.state.ny.us
04/30/09 11:27:47 nsrmmd #29: Start nsrmmd #29, with PID 3744, at HOST
c999s109.docs.state.ny.us
04/30/09 11:28:14 nsrd: \\.\Tape3 2:Verify label operation in progress
04/30/09 11:28:14 nsrmmd #20: check_tapealert: check_cdi_infop and
cdi_open failed, the device file name specified is unusable by CDI for
device \\.\Tape3
Errno indicates : Unknown error
04/30/09 11:28:14 nsrd: media warning: \\.\Tape3 reading: read open
error: drive status is
04/30/09 11:28:15 nsrd: [Jukebox `[email protected]', operation # 40]. Expected
volume `000033L3' in slot `114'. The actual volume is `<NULL>'.

Volume "000033L3" is listed with the correct pool name under media >
volumes in NMC.

What could be the prob?

How can I resolve this ?

Thanks

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