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hot backup fails

From: Johan Wiklund <jowi_at_isy.liu.se>
Date: 2005-02-03 11:31:59 CET

We have been using subversion for about half a year, and it has been
working like a charm. But suddenly we got errors while doing hot
backup of one of the repositories.

We are using subversion ver 1.1.2, running on a solaris box.
The repositories are located on local disk.

The following shows the printout from the hotcopy operation:

> svnadmin hotcopy repository/cvl backup/cvl
subversion/libsvn_subr/io.c:2345: (apr_err=70008)
svn: Can't read directory entry in
'/export/subversion/repository/cvl/db': Partial results are valid but
processing is incomplete
>

Running 'svnadmin verify repository/cvl' goes ok. It doesn't seem
to be any problem with the repository, it's "only" the backup of it
that failes. We have some other repositories, for which the same backup
procedure works well.

The following is a file list of the directory mentioned in the error
message:

> ls -la /export/subversion/repository/cvl/db
total 4545736
drwxr-xr-x 2 www www 512 Feb 2 15:52 .
drwxr-xr-x 7 www www 512 Mar 26 2004 ..
-rw-r--r-- 1 www www 1738 Mar 26 2004 DB_CONFIG
-rw-r--r-- 1 www www 8192 Feb 3 10:19 __db.001
-rw-r--r-- 1 www www 270336 Feb 3 08:13 __db.002
-rw-r--r-- 1 www www 327680 Feb 1 15:42 __db.003
-rw-r--r-- 1 www www 819200 Feb 3 08:13 __db.004
-rw-r--r-- 1 www www 16384 Feb 3 10:19 __db.005
-rw-r--r-- 1 www www 1818624 Feb 3 10:15 changes
-rw-r--r-- 1 www www 49152 Feb 3 10:15 copies
-rw-r--r-- 1 www www 1040799 Feb 2 15:52 log.0000002984
-rw-r--r-- 1 www www 1046946 Feb 2 15:52 log.0000002985
-rw-r--r-- 1 www www 931163 Feb 3 10:19 log.0000002986
-rw-r--r-- 1 www www 1343488 Feb 3 10:15 nodes
-rw-r--r-- 1 www www 1671168 Feb 3 10:15 representations
-rw-r--r-- 1 www www 40960 Feb 3 10:15 revisions
-rw-r--r-- 1 www www 2316492800 Feb 3 10:15 strings
-rw-r--r-- 1 www www 278528 Feb 3 10:15 transactions
-rw-r--r-- 1 www www 16384 Feb 3 10:15 uuids
>

The file strings seems to be quite large (>2GB), may this be a problem?

The directory created by the failing hotcopy looks like this:

> ls -la /export/subversion/backup/cvl
total 8
drwxr-xr-x 4 www www 512 Feb 3 09:45 .
drwxr-x--- 11 www www 512 Feb 3 10:20 ..
drwxr-xr-x 2 www www 512 Feb 3 09:45 conf
drwxr-xr-x 2 www www 512 Feb 3 09:45 dav
>

Does anyone have a clue why the hotcopy suddenly stopped working on
one of our repositories, and (most importantly) how to fix it?

Regards,

Johan

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Received on Thu Feb 3 21:52:17 2005

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