Fixed the general post/pre exec documentation
This commit is contained in:
Nico Schottelius
parent
199d81b0ef
commit
8be1535793
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@ -1,3 +1,6 @@
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0.3.1 to 0.3.2:
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* added ?
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0.3 to 0.3.1:
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* added support for printing a summary
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* some cosmetic changes
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@ -328,6 +328,11 @@ for rebuilding the generated documentation: additionally <tt>asciidoc</tt>
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</li>
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<li>
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<p>
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<tt>date</tt>
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</p>
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</li>
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<li>
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<p>
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<tt>rsync</tt>
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</p>
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</li>
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@ -768,7 +773,8 @@ srwali01:/etc/ccollect/sources/srwali03# mkdir /mnt/hdbackup/srwali03</tt></pre>
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<h3>7.2. Using hard-links requires less disk space</h3>
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<div class="listingblock">
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<div class="content">
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<pre><tt>[10:53] srsyg01:sources% du -sh ~/backupdir
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<pre><tt># du (coreutils) 5.2.1
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[10:53] srsyg01:sources% du -sh ~/backupdir
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4.6M /home/nico/backupdir
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[10:53] srsyg01:sources% du -sh ~/backupdir/*
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4.1M /home/nico/backupdir/daily.2005-12-08-10:52.28456
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@ -784,11 +790,30 @@ srwali01:/etc/ccollect/sources# du -sh /mnt/hdbackup/wl6/*
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147M /mnt/hdbackup/wl6/taeglich.2005-12-08-14:42.312
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147M /mnt/hdbackup/wl6/taeglich.2005-12-08-14:45.588</tt></pre>
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</div></div>
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<p>Newer versions of du also detect the hardlinks, so we can even compare
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the sizes directly with du:</p>
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<div class="listingblock">
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<div class="content">
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<pre><tt>[8:16] eiche:~# du --version | head -n 1
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du (GNU coreutils) 5.93
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[8:17] eiche:schwarzesloch# du -slh hydrogenium/*
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19G hydrogenium/durcheinander.0
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18G hydrogenium/durcheinander.2006-01-17-00:27.13820
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19G hydrogenium/durcheinander.2006-01-25-23:18.31328
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19G hydrogenium/durcheinander.2006-01-26-00:11.3332
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[8:22] eiche:schwarzesloch# du -sh hydrogenium/*
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19G hydrogenium/durcheinander.0
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12G hydrogenium/durcheinander.2006-01-17-00:27.13820
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1.5G hydrogenium/durcheinander.2006-01-25-23:18.31328
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200M hydrogenium/durcheinander.2006-01-26-00:11.3332</tt></pre>
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</div></div>
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<p>In the second report the sizes include the space the inodes of
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the hardlinks allocate.</p>
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</div>
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<div id="footer">
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<div id="footer-text">
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Version 0.3.1<br />
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Last updated 25-Jan-2006 00:15:41 CEST
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Last updated 27-Jan-2006 22:01:39 CEST
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</div>
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</div>
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</body>
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@ -123,16 +123,15 @@ If you add '$CCOLLECT_CONF/defaults/`pre_exec`' or
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will start `pre_exec` before the whole backup process and
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`post_exec` after backup of all sources is done.
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Example:
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The following Example describes how to report free disk space in
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human readable format before and after the whole backup process:
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-------------------------------------------------------------------------
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[13:00] hydrogenium:~# mkdir -p /etc/ccollect/defaults/
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[13:00] hydrogenium:~# echo '!/bin/sh' > /etc/ccollect/defaults/pre_exec
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[13:01] hydrogenium:~# echo '' > /etc/ccollect/defaults/pre_exec
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[13:01] hydrogenium:~# echo '!/bin/sh' > /etc/ccollect/defaults/pre_exec
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[13:01] hydrogenium:~# echo '' >> /etc/ccollect/defaults/pre_exec
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[13:01] hydrogenium:~# echo 'df -h' >> /etc/ccollect/defaults/pre_exec
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[13:00] hydrogenium:~# echo '!/bin/sh' > /etc/ccollect/defaults/pre_exec
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[13:01] hydrogenium:~# echo '' >> /etc/ccollect/defaults/pre_exec
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[13:01] hydrogenium:~# echo 'df -h' >> /etc/ccollect/defaults/pre_exec
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[13:01] hydrogenium:~# chmod 0755 /etc/ccollect/defaults/pre_exec
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[13:01] hydrogenium:~# cp /etc/ccollect/defaults/pre_exec /etc/ccollect/defaults/post_exec
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[13:01] hydrogenium:~# ln -s /etc/ccollect/defaults/pre_exec /etc/ccollect/defaults/post_exec
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-------------------------------------------------------------------------
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Source configuration
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@ -513,6 +512,7 @@ Using hard-links requires less disk space
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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-------------------------------------------------------------------------
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# du (coreutils) 5.2.1
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[10:53] srsyg01:sources% du -sh ~/backupdir
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4.6M /home/nico/backupdir
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[10:53] srsyg01:sources% du -sh ~/backupdir/*
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@ -529,3 +529,23 @@ srwali01:/etc/ccollect/sources# du -sh /mnt/hdbackup/wl6/*
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147M /mnt/hdbackup/wl6/taeglich.2005-12-08-14:42.312
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147M /mnt/hdbackup/wl6/taeglich.2005-12-08-14:45.588
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-------------------------------------------------------------------------
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Newer versions of du also detect the hardlinks, so we can even compare
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the sizes directly with du:
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-------------------------------------------------------------------------
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[8:16] eiche:~# du --version | head -n 1
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du (GNU coreutils) 5.93
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[8:17] eiche:schwarzesloch# du -slh hydrogenium/*
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19G hydrogenium/durcheinander.0
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18G hydrogenium/durcheinander.2006-01-17-00:27.13820
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19G hydrogenium/durcheinander.2006-01-25-23:18.31328
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19G hydrogenium/durcheinander.2006-01-26-00:11.3332
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[8:22] eiche:schwarzesloch# du -sh hydrogenium/*
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19G hydrogenium/durcheinander.0
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12G hydrogenium/durcheinander.2006-01-17-00:27.13820
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1.5G hydrogenium/durcheinander.2006-01-25-23:18.31328
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200M hydrogenium/durcheinander.2006-01-26-00:11.3332
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-------------------------------------------------------------------------
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In the second report the sizes include the space the inodes of
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the hardlinks allocate.
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