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We recently converted from DLT7000 to SDLT drives.
I found it kind of strange that Netbackup would not mount the media once
it was changed to dlt3 but you could mount it manually.
When data from one of the DLTIV tapes is requested, here is the process I
use to mount the tape for a restore.
- Freeze media so the media will not be written too, once the media type
is changed.
bpmedia -freeze -ev <media id>
- Add the media to your robot using vmupdate, if you have one...
vmupdate -rn 0 -rt tld -empty_ie
- Using vmquery verify that the media type is still at DLT
vmquery -m <media id>
- Change the media type from dlt to dlt3 so it will mount in the SuperDLT
tape drives
vmchange -new_mt dlt3 -m <media id>
- Verify the media type change and remember the volume pool for the mount
command below, not really necessary but it is nice to see if the change
worked.
vmquery -m <media id>
- Move to the tpreq directory and use tpreq to manually mount the tape.
Usage: tpreq -ev evsn [-rv rvsn] [-a (r/w)] [-d density] [-p
poolname] [-f] filename
Once the tape is mounted it will unmount automatically once the restore
has been completed.
tpreq -ev <media id> -a r -d dlt3 -p <volume pool> -f <media id>
Lowell
Reece Webb <crakowski AT circi DOT com>
Sent by: veritas-bu-admin AT mailman.eng.auburn DOT edu
2002-11-14 11:26 AM
Please respond to Reece Webb
To: veritas-bu AT mailman.eng.auburn DOT edu
cc:
Subject: [Veritas-bu] DLT4 import via SDLT drive??
Greetings,
We're having a bit of a problem importing tapes into our new backup
environment. We're using NB 4.5 on Solaris 2.8 with an Overland LXN2000
changer with two SDLT drives. In netbackup the drives are defined as being
dlt3, as well as all of our sdlt media.
Our old backup server was running NB 3.4 with a dlt7000 drive, using dlt4
tapes. We now need to import some of these tapes into our new catalog.
I've
been following a few different threads, and know that NB won't load a dlt
tape into a dlt3 drive.
So what are our options? If the media is labeled as dlt3, should it work
in
the drive? (it hasn't thus far) I was thinking that the drive may be
confused, expecting sdlt media when the tape is labeled as dlt3. But I've
read that these are purely organizational labels, so maybe this shouldn't
matter?
Thanks for any help,
Reece
_______________________________________________
Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
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<br><font size=2 face="sans-serif">We recently converted from DLT7000 to SDLT
drives. </font>
<br>
<br><font size=2 face="sans-serif">I found it kind of strange that Netbackup
would not mount the media once it was changed to dlt3 but you could mount it
manually.</font>
<br>
<br><font size=2 face="sans-serif">When data from one of the DLTIV tapes is
requested, here is the process I use to mount the tape for a restore.</font>
<br>
<br><font size=2 face="sans-serif">- Freeze media so the media will not be
written too, once the media type is changed.</font>
<br><font size=2 face="sans-serif"> bpmedia -freeze
-ev <media id></font>
<br>
<br><font size=2 face="sans-serif">- Add the media to your robot using
vmupdate, if you have one...</font>
<br><font size=2 face="sans-serif"> vmupdate -rn 0
-rt tld -empty_ie</font>
<br><font size=2 face="sans-serif"> </font>
<br><font size=2 face="sans-serif">- Using vmquery verify that the media type
is still at DLT</font>
<br><font size=2 face="sans-serif"> vmquery -m
<media id></font>
<br>
<br><font size=2 face="sans-serif">- Change the media type from dlt to dlt3 so
it will mount in the SuperDLT tape drives</font>
<br><font size=2 face="sans-serif"> vmchange -new_mt
dlt3 -m <media id></font>
<br>
<br><font size=2 face="sans-serif">- Verify the media type change and remember
the volume pool for the mount command below, not really necessary but it is
nice to see if the change worked.</font>
<br><font size=2 face="sans-serif"> vmquery -m
<media id></font>
<br>
<br><font size=2 face="sans-serif">- Move to the tpreq directory and use tpreq
to manually mount the tape.</font>
<br><font size=2 face="sans-serif"> Usage: tpreq -ev
evsn [-rv rvsn] [-a (r/w)] [-d density] [-p poolname] [-f] filename</font>
<br><font size=2 face="sans-serif"> Once the tape is mounted it will
unmount automatically once the restore has been completed.</font>
<br><font size=2 face="sans-serif"> tpreq -ev
<media id> -a r -d dlt3 -p <volume pool> -f <media id></font>
<br>
<br>
<br><font size=2 face="sans-serif">Lowell</font>
<br>
<br>
<br>
<br>
<table width=100%>
<tr valign=top>
<td>
<td><font size=1 face="sans-serif"><b>Reece Webb <crakowski AT circi DOT
com></b></font>
<br><font size=1 face="sans-serif">Sent by: veritas-bu-admin AT
mailman.eng.auburn DOT edu</font>
<p><font size=1 face="sans-serif">2002-11-14 11:26 AM</font>
<br><font size=1 face="sans-serif">Please respond to Reece Webb</font>
<br>
<td><font size=1 face="Arial"> </font>
<br><font size=1 face="sans-serif"> To:
veritas-bu AT mailman.eng.auburn DOT edu</font>
<br><font size=1 face="sans-serif"> cc:
</font>
<br><font size=1 face="sans-serif"> Subject:
[Veritas-bu] DLT4 import via SDLT drive??</font></table>
<br>
<br>
<br><font size=2 face="Courier New">Greetings,<br>
<br>
We're having a bit of a problem importing tapes into our new backup <br>
environment. We're using NB 4.5 on Solaris 2.8 with an Overland LXN2000 <br>
changer with two SDLT drives. In netbackup the drives are defined as being <br>
dlt3, as well as all of our sdlt media.<br>
<br>
Our old backup server was running NB 3.4 with a dlt7000 drive, using dlt4 <br>
tapes. We now need to import some of these tapes into our new catalog. I've <br>
been following a few different threads, and know that NB won't load a dlt <br>
tape into a dlt3 drive.<br>
<br>
So what are our options? If the media is labeled as dlt3, should it work in <br>
the drive? (it hasn't thus far) I was thinking that the drive may be <br>
confused, expecting sdlt media when the tape is labeled as dlt3. But I've <br>
read that these are purely organizational labels, so maybe this shouldn't <br>
matter?<br>
<br>
Thanks for any help,<br>
<br>
Reece<br>
_______________________________________________<br>
Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu<br>
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu<br>
</font>
<br>
<br>
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