On 11/18/2010 09:55 AM, carlopmart wrote:
Hi all,
I have installed RHEL6 Server on my laptop to run several virtual
machines. Which filesystem is best to store virtual machine disks in
terms of performance: xfs, gfs2 or ext4?
I prefer to use qemu img disks instead lvm volumes to simplify backup
procedures.
Thanks.
Are you storing your KVM guest file systems local to your laptop? The
mention of GFS2 threw me.
I can tell you from very extensive testing, that the very best network
based disk performance is from iscsi, vs GFS2 or NFS.
On my desktop I use btrfs for my home directory, and ext4 for everything
else. There is negligible difference in performance from a VM with its
disk image on ext4 or on btrfs.
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