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authorbescoto <bescoto@2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109>2003-08-04 23:59:16 +0000
committerbescoto <bescoto@2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109>2003-08-04 23:59:16 +0000
commit58785f912646aa71efd9ad618731292488e29a10 (patch)
tree76801ac95ca287a8769e90915bb43d6599d38b0e /rdiff-backup/FAQ-body.html
parente8e42b297242a63d7b1f4d128eaf7571c4e9d06c (diff)
downloadrdiff-backup-58785f912646aa71efd9ad618731292488e29a10.tar.gz
Mainly updates for python 2.3
git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup/trunk@373 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109
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@@ -26,6 +26,7 @@ bandwidth usage, as in rsync's --bwlimit option?</a></li>
<li><a href="#leak">How much memory should rdiff-backup use? Is there a
memory leak?</a></li>
+<li><a href="#dir_not_empty">I use NFS and keep getting some error that includes "OSError: [Errno 39] Directory not empty"</a></li>
</ol>
<h3>Questions and Answers</h3>
@@ -174,13 +175,10 @@ Next time you back up, you run
so that /usr/local is no longer copied to /backup/usr/local.
However, old information about /usr/local is still present in
-/backup/rdiff-backup-data/increments/usr/local. You could wait for
-this information to expire and then run rdiff-backup with the
---remove-older-than option, or you could remove the increments
-manually by typing:
-<pre>rm -rf /backup/rdiff-backup-data/increments/usr/local
-rm /backup/rdiff-backup-data/increments/usr/local.*.dir</pre>
-
+/backup/rdiff-backup-data/increments/usr/local. You can try to
+manually remove this old information, but it's safer to let it be
+removed by rdiff-backup when you run it with the --remove-older-than
+option.
</li>
<P>
@@ -235,11 +233,10 @@ the total number of files. Initial mirrorings will usually be
bandwidth or disk bound, and will take much longer than subsequent
updates.
-<P>To give two arbitrary data points, when I back up my personal HD
-locally (about 9GB, 600000 files, maybe 50 MB turnover, 1.1Ghz athlon)
-rdiff-backup takes about 35 minutes and is usually CPU bound. Another
-user reports an rdiff-backup session takes about 3 hours (80GB, ~1mil
-files, 2GB turnover) to back up remotely Tru64 -> linux.
+<P>To give one arbitrary data point, when I back up my personal HD
+locally (about 36GB, 530000 files, maybe 500 MB turnover, athlon 2000,
+7200 IDE disks, version 0.12.2) rdiff-backup takes about 15 minutes
+and is usually CPU bound.
</li>
<p>
@@ -348,7 +345,7 @@ rdiff-backup to exceed it for significant periods.</li>
<p>
Another option is to limit bandwidth at a lower (and perhaps more
appropriate) level. Adam Lazur mentions <a
-href="http://lartc.org/wondershaper/">The Wonder Shaper</a>.
+href="http://lartc.org/wondershaper/">The Wonder Shaper</a>.</p>
</li>
<a name="leak">
@@ -366,5 +363,27 @@ leaks lots of memory.</strong> Version 0.9.5.1 should not leak and is
available from the rdiff-backup homepage.
</li>
+<a name="dir_not_empty">
+<li><strong>I use NFS and keep getting some error that includes "OSError: [Errno 39] Directory not empty"</strong>
+
+<P>Several users have reported seeing errors that contain lines like
+this:
+
+<pre>
+File "/usr/lib/python2.2/site-packages/rdiff_backup/rpath.py",
+ line 661, in rmdir
+OSError: [Errno 39] Directory not empty:
+ '/nfs/backup/redfish/win/Program Files/Common Files/GMT/Banners/11132'
+Exception exceptions.TypeError: "'NoneType' object is not callable"
+ in &lt;bound method GzipFile.__del__ of
+</pre>
+
+<p> All of these users were backing up onto NFS (Network File System).
+I think this is probably a bug in NFS, although tell me if you know
+how to make rdiff-backup more NFS-friendly. To avoid this problem,
+run rdiff-backup locally on both ends instead of over NFS. This
+should be faster anyway.
+</li>
+
</ol>