On Tue, May 18, 2021 at 1:52 PM Ulrich Windl <ulrich.wi...@rz.uni-regensburg.de> wrote: > > Hi! > > I thought using the reflink feature of OCFS2 would be just a nice way to make > crash-consistent VM snapshots while they are running. > As it is a bit tricky to find out how much data is shared between snapshots, > I started to write an utility to examine the blocks allocated to the VM > backing files and snapshots. > > Unfortunately (as it seems) OCFS2 fragments terribly under reflink snapshots. >
Does it cause any real problem? ... > > So I wonder (while understanding the principle of copy-on-write for reflink > snapshots): > Is there a way to avoid or undo the fragmentation? > If you understand the principles you can answer it yourself. To avoid fragmentation you need to avoid reflink. _______________________________________________ Manage your subscription: https://lists.clusterlabs.org/mailman/listinfo/users ClusterLabs home: https://www.clusterlabs.org/
