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I have two physical servers: Virt1 and Virt2. I'm setting up live migration with CentOS 5.5 between the two. I've done this by NFS mounting /etc/libvirt and /var/lib/libvirt/images on both servers. This is working well for me except for one thing. I see the same list of VMs on each server (as expected), but each server (Virt1 and Virt2) are able to start the same VM at the same time.

Is there a guide, or some suggestions for what filesystem to use for VM storage? I chose the standard ext3 on CentOS but I'm wondering if it makes more sense to look at ext4 or XFS for performance reasons? Does anyone tweak the ext3 journaling options for libvirt to speed things up? What about NFS export/mount options? What do your fstab mount lines look like? Is there a better

We have a Windows 2003 fileserver here on a domain. I've been mounting it via Linux for a couple years now. Some time in the last three months it stopped working. Perhaps some patch was applied that broke things? I have no idea what's causing it but I always get a permission denied error message. root@snikt(/mnt) :mount q-drive/ mount error 13 = Permission denied Refer to the