Set up a script to do the withdrawals for you and then run it from cron.
Use mmrpt to produce a list of full tapes that have not been written to in a
week (or whatever time period works for you) and then eject them. Here is an
example in /bin/ksh:
mminfo -a -r "volume" -q %used="full" -q volaccess<"1 week ago" -q
location=JUKEBOX > /tmp/withdrawn
while read vol_name
do
nsrjb -w $vol_name
print " Volume $vol_name withdrawn to mailslot. "
mmlocate -u -n $vol_name Cabinet
done < /tmp/withdrawn
rm /tmp/withdrawn
Cyndi
> -----Original Message-----
> From: Stan Horwitz [mailto:stan AT TEMPLE DOT EDU]
> Sent: Tuesday, June 10, 2003 3:52 PM
> To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
> Subject: [Networker] Tape library operations
>
>
> FYI:
>
> Does anyone on this list have some tips on how to more
> efficiently do tape
> library operations? Perhaps some of you on this list are
> confronted with the
> same issue. Since we bought our Qualstar 412600 library with
> AIT-2 tape
> drives three years ago, our backup requirements have
> mushroomed. I am looking
> at upgrading the library from AIT-2 to AIT-3, but that is a
> considerable
> expense so management here might balk.
>
> Currently, I spend several hours a week swapping out full
> tapes with tapes
> that are eligible for re-use. We recently upgraded to
> NetWorker 6.1.3.
> Currently, I use "nsrjb -w" to withdraw tapes and
> individually remove them
> from our tape library's one-tape load port, then use "nsrjb -d" to
> individually load replacement tape cartridges into the
> library. This takes a
> lot of time.
>
> In an earlier version of NetWorker, when we first bought our Qualstar
> library, I started out by managing tapes by manually opening
> the front door
> of the library, and replacing full tapes with eligible tapes
> without using
> nsrjb to withraw and deposit tapes; I would just reinventory
> the library
> after swapping out the tapes. I did not have to do this very
> often so it took
> a little while before I realized that doing so was not a good
> idea. This
> practice caused NetWorker's media database to become outdated
> so I stopped
> doing that and I resorted to using "nsrjb". I am wondering if
> the practice of
> manually loading/unloading tapes with NetWorker 6.1.3 would
> still present
> media database problems, or if there is some other more
> efficient way of
> swapping out tapes with this type of tape library.
>
> When we originally bought this tape library, we intended to
> keep three months
> worth of data online in the library. Now, I shoot to keep one
> week's worth of
> data in the library, although we still have a lot of data on
> tape in the
> library that's many months old. I usually swap out about 15
> to 20 AIT-2 tapes
> every other day.
>
> I also understand that the current firmware revision 2.20 for
> the Qualstar
> 412600 library supports a virtual load port. I just
> submittede paperwork to
> order the EPROM chips for that revision. We have revision
> 2.12 in our library
> now. I am wondering if anyone has tried allocating one or
> two 10-slot tape
> cradles within the library for use as a virtual load port and
> what your
> experience is in doing so. The down side is it would reduce
> storage capacity
> in the library a bit, but I am hoping the operational time
> savings would be
> worth that sacrifice.
>
> Any comments on this issue will be appreciated.
>
> --
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