<p>Ploop only supports ext4 and nfs </p>
<div class="gmail_quote">31.03.2012 22:50 пользователь "Corin Langosch" <<a href="mailto:info@corinlangosch.com">info@corinlangosch.com</a>> написал:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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Hi,<br>
<br>
has anybody tried using the new ploop storage for openvz images
together with moosefs (
<a href="http://www.moosefs.org/" target="_blank">http://www.moosefs.org/</a>)?<br>
<br>
ploop mount -d /dev/ploop0 /mfs-mount/root.hdd<br>
Adding delta dev=/dev/ploop0 img=/mfs-mount/root.hdd (rw)<br>
PLOOP_IOC_ADD_DELTA /mfs-mount/root.hdd: Invalid argument<br>
<br>
In syslog I find:<br>
kernel: File on FS without backing device<br>
<br>
I thought it might be because ploop needs direct-io (right?), but
mounting with direct-io enabled seems not to be supported by
moosefs:<br>
<br>
mfsmount -o direct_io /mfs-mount<br>
mfsmaster accepted connection with parameters:
read-write,restricted_ip ; root mapped to root:root<br>
fuse: unknown option `direct_io'<br>
<br>
Has anybody got it working somehow? :)<br>
<br>
Btw: I'll also post this question to the moosefs mailinglist as I'm
pretty sure the devs there might have interesting answers too.<br>
<br>
Corin<br>
<br>
</div>
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<br></blockquote></div>