[Linux-cluster] LVM clustered snapshots support

Nicolas Ecarnot nicolas at ecarnot.net
Fri Apr 13 20:23:21 UTC 2012


Before finishing our migration from windows 2003 storage servers to 
clustered samba, we hoped to provide our users the VSS feature.
It is working fine on a single server, but trying to create a snapshot 
with clvm (clustered LV) leads to the display of the message telling 
that clustered snapshots are not (yet) supported.

Following the LVM2 release notes, I see that since a big couple of 
months, a workaround has been implemented, and I was wondering if one of 
you has already used it in production?
In that case, I would be glad to hear from you to discuss about which 
better way you upgraded your LVM layer.


Nicolas Ecarnot

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