Amanda-Users

gnutar and ext3

2002-11-27 04:27:18
Subject: gnutar and ext3
From: "Helas, Stephan" <stephan.helas AT da-fractales DOT de>
To: <amanda-users AT amanda DOT org>
Date: Wed, 27 Nov 2002 09:54:29 +0100
Hello,

I backup several unix and Linux Server without having trouble. but one redhat 
7.3 server don't work that way.
i got some strange problem by backup this linux server with ext3. i use normal 
configuration, but my incremental backup are as big as the full backup. for 
example i post some info:

dumpcycle 7 days
runspercycle 4
tapecycle 8 tapes

------------- snip ---------------------------------
Current info for gt1webdev2 /export:
  Stats: dump rates (kps), Full:  5458.0, 3940.0,  -1.0
                    Incremental:  1359.0, 4614.0, 5333.0
          compressed size, Full: -100.0%,-100.0%,-100.0%
                    Incremental: -100.0%,-100.0%,-100.0%
  Dumps: lev datestmp  tape             file   origK   compK secs
          0  20021121  Tag02               1 11134710 11134710 2040
          1  20021127  Tag06              10 11143360 11143360 8198

Current info for gt1webdev2 /export_java:
  Stats: dump rates (kps), Full:  2665.0, 1298.0, 2416.0
                    Incremental:  3019.0, 2730.0, 2501.0
          compressed size, Full: -100.0%,-100.0%,-100.0%
                    Incremental: -100.0%,-100.0%,-100.0%
  Dumps: lev datestmp  tape             file   origK   compK secs
          0  20021126  Tag05               4 3451500 3451500 1295
          1  20021127  Tag06               9 3451510 3451510 1143
------------ snap ------------------------------------

as you can see, the filesize between level 0 and level 1 don't differ.

now my question. is it a effect ob using ext3? can't ext3 handle the archive 
bit in the way that amanda use it? do i have to go back using ext2?


Thx & Regards
Stephan

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