[OpenAFS] backup strategy

Anders Magnusson ragge@ltu.se
Wed, 12 Nov 2014 20:18:30 +0100 

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Mattias Pantzare skrev den 2014-11-12 19:49:
> On Wed, Nov 12, 2014 at 11:49 AM, Harald Barth <haba@kth.se 
> <mailto:haba@kth.se>> wrote:
>
>
>     > and with NetWorker, it was (it probably still is) impossible to save
>     > from a pipe, requiring the use of temporary disk for the purpose.
>
>     TSM as shipped by IBM can't either, but there is a TSM API. Then
>     tsmpipe was written in Umeå. Thanks again!
>
>
> And in Luleå we are using the TSM API to do backups at the file level. 
> We detect if a volume has changed so it is very fast for static volumes.
>
> I don't know if the code has been published but we can do that if 
> anyone is interested.
% ls -l /afs/ltu.se/misc/tsmafs/tsmafs-0.2.tgz
-rw-r--r-- 1 14431 seblar-0 16787 Sep 13  2010 
/afs/ltu.se/misc/tsmafs/tsmafs-0.2.tgz

I think there may have been a bunch of the updates to the code since 2010.

-- Ragge

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    Mattias Pantzare skrev den 2014-11-12 19:49:<br>
    <blockquote
cite="mid:CAKdkudvt=BoovVL0dcS7=j989+hsNpytSbbDHag0ueuaHU03Lg@mail.gmail.com"
      type="cite">
      <div dir="ltr">On Wed, Nov 12, 2014 at 11:49 AM, Harald Barth <span
          dir="ltr">&lt;<a moz-do-not-send="true"
            href="mailto:haba@kth.se" target="_blank">haba@kth.se</a>&gt;</span>
        wrote:<br>
        <div class="gmail_extra">
          <div class="gmail_quote">
            <blockquote class="gmail_quote" style="margin:0 0 0
              .8ex;border-left:1px #ccc solid;padding-left:1ex"><span
                class=""><br>
                &gt; and with NetWorker, it was (it probably still is)
                impossible to save<br>
                &gt; from a pipe, requiring the use of temporary disk
                for the purpose.<br>
                <br>
              </span>TSM as shipped by IBM can't either, but there is a
              TSM API. Then<br>
              tsmpipe was written in Umeå. Thanks again!<br>
            </blockquote>
            <div><br>
            </div>
            <div>And in Luleå we are using the TSM API to do backups at
              the file level. We detect if a volume has changed so it is
              very fast for static volumes.<br>
              <br>
              I don't know if the code has been published but we can do
              that if anyone is interested. </div>
          </div>
        </div>
      </div>
    </blockquote>
    % ls -l /afs/ltu.se/misc/tsmafs/tsmafs-0.2.tgz <br>
    -rw-r--r-- 1 14431 seblar-0 16787 Sep 13  2010
    /afs/ltu.se/misc/tsmafs/tsmafs-0.2.tgz<br>
    <br>
    I think there may have been a bunch of the updates to the code since
    2010.<br>
    <br>
    -- Ragge<br>
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