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On 08/30/2011 10:34 AM, Werner Flamme wrote:
<blockquote cite="mid:4E5D02F8.4030408@ufz.de" type="cite">
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David [30.08.2011 17:18]:
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<pre wrap="">Ran into an issue last week were a 150GB OCFS2 partition would not allow
any further data to be written to it. The issue was first discovered as
a result of a PHP web app alarming that it couldn't write files to
disk. When the issue was investigated initial indications showed; via
`df -h`, that the partition still had 56GB of space left. When an an
attempt to create a random file using dd was performed it ran into the
same issue.
</pre>
</blockquote>
<pre wrap="">
Does `df -i` state that there are enough inodes free too? When the
Volume was created with big clusters, any file will occupy at least one
cluster, even if it is only 5 bytes in size.
tunefs.ocfs -Q "%B %T\n" /dev/$yours
should output the same number twice if many small files are stored on
the volume (man tunefs.ocfs). They will differ when you used an option
like "-T datafiles" when creating the filesystem (man mkfs.ocfs2).
Regards,
Werner
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</pre>
</blockquote>
<br>
<font face="Times New Roman, Times, serif">I should have mentioned
that in my original email, there were/are still 1.8M inodes
available on this volume.<br>
tunefs.ocfs2 -Q "%B %T\n" /dev/sdb didn't result in the same
number twice, instead it was 4096 32768 which<br>
fits with what was specified during fs creation: </font>
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<p style="margin-bottom: 0in;" align="LEFT"><font face="Times New
Roman, Times, serif">mkfs.ocfs2 -b 4k -C 32K /dev/sdb <br>
</font></p>
<p style="margin-bottom: 0in;" align="LEFT"><font face="Times New
Roman, Times, serif">Obviously didn't specify the -T which in
reading the man page would suggest that we need to use the
"mail" type<br>
since we are writing small files and not large ones as indicated
by datafiles option.<br>
</font></p>
<p style="margin-bottom: 0in" align="LEFT"><font face="Times New
Roman, Times, serif">David<br>
</font></p>
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