Amanda-Users

spanning patch

2005-03-08 16:48:40
Subject: spanning patch
From: Peter Kunst <pkunst AT imagnos DOT com>
To: amanda-users AT amanda DOT org
Date: Tue, 08 Mar 2005 22:42:29 +0100
Hi,

sorry for the delay, don't wonna break our production setup, so i've
setup another Solaris9 box together with a spare dds4x6 changer connected
to it for some testing. here we go...

1st of all, spanning of a single DLE over two tapes works fine, using

 http://www.cs.umd.edu/~building/span_split_V7.0-2.4.5b1-20050214.patch.gz

against

 http://www.iro.umontreal.ca/~martinea/amanda/amanda-2.4.5b1-20050214.tar.gz

i haven't tested recovering yet.

John Stange wrote:
> Gene Heskett wrote:
I'm afraid that the results of the spanning patch by John
Stange (Hi John) are a bit less than optimum in some regards.

it's a patch, leading us to some kind of fine release later on, so let's
test it :-)

using amverify <mysetup>, i've got this when the next tape is a fresh tape:

$ amverify <mysetup>
Tape changer is chg-zd-mtx...
2 slots...                                 (should read: 6 slots ?)
Verify summary to [email protected]
Defects file is /tmp/amanda/amverify.17109/defects
amverify <mysetup>
Loading current slot...
Using device /dev/rmt/0cbn
Volume <mysetup>07, Date 20050308
End-of-Information detected.
Loading next slot...
Using device /dev/rmt/0cbn
Volume <mysetup>08, Date X
Fresh tape. Skipping...
$

..whereas <mysetup>07 is the 2nd tape of the last run. <mysetup>06 would be
the 1st tape of this run. never used amverify before anyways... just tested
it because of Gene's hint.

after loading the 1st tape of this run, i get:

Loading current slot...
Using device /dev/rmt/0cbn
Volume <myetup>06, Date 20050308
End-of-Information detected.
Loading next slot...
Using device /dev/rmt/0cbn
Volume <mysetup>07, Date 20050308
End-of-Information detected.
$

mail report says:

Tapes: <mysetup>07
No errors found!

...seems as amanda thinks only <mysetup>07 was written by this run.
don't know if this happens using 2.4.5b1-20050214 also... haven't tested.

...will give you more results when i've checked recovery, or should i
switchover to the hackers list ?

 Cheers, Peter

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