[ADSM-L] Server media mount not possible
2012-10-11 20:51:36
I thought I'd throw this out there for ideas since I'm just being exposed to
NAS backpus and restores. I believe I got a previous post yesterday figured out
and was finally able to move on to testing a restore. Now I'm getting a
different error but I'm a bit confused as to why. I went through lots of config
and permissions info already with a valuable source and got these errors once
that was complete.
Here's what I did once I was able to see the vol the data needs to be restored
to.
1. open the web gui, login with an admin id to restore some NAS data.
2. Used point in time to define which Full would have this nodes data on. At
this point the server mounted a tape to display the TOC.
3. I found the client machine in which I wanted to restore data and checked the
"C" drive to restore.
4. Selected a vol from the dropdown to restore to and clicked restore.
5. Within a few seconds I received a popup with the error "Server media mount
not possible.
I watched this process from the TSM server and during step 2 I watched the
server mount the tape to draw the TOC from. While the tape was still mounted,
Idle, I clicked the restore and while waiting saw the tape was still idle and
at that point received the error. Within a few seconds the tape dismounted,
which makes me believe it was not requested for anything.
I tried this a second time with a completely different node and file and can
see in the activity log it tried to mount a tape that was not available in the
library. Interestingly enough I received the same error message but it I see in
the activity log the tape it was looking for. I tried a second time to restore
the node I really need data from. This time the TOC seemed to be still in
memory so it did not mount the tape initially. When I actually started the
restore I watched the server again and it never even received a request to
mount a tape. No mount messages, no tape unavailable messages in the logs and
it failed immediately also.
I'm confused as to why no tape mount request happened either time and it's more
confusing because there WAS a tape mounted to build the TOC. I assume the rest
of the data is on that tape, and it proves the system is actually mounting
tapes, but even if the data spans multiple tapes there is no indication in the
logs stating a tape is not available.
Anyone have any idea what else I can look at? I already have an open PMR which
I will continue to work on tomorrow but I thought I'd throw this out there
anyway.
Thank You
Geoff Gill
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