/var/lib/libvirt/images on BTRFS (it works!)

2013-11-18 Thread Chris Murphy
I've learned some things also, based on benchmarking by using the Fedora installer as the test suite: 1. 3x3 matrix of host/guest cfq, noop, deadline, that on spinning rust cfq in both host and guest produces the best results. 2. 3x3 matrix of host/guest ext4, xfs, btrfs, also on spinning rust,

Re: /var/lib/libvirt/images on BTRFS (it works!)

2013-11-18 Thread James Hogarth
On 17 November 2013 16:28, Gene Czarcinski wrote: > > 1. execute: chattr +C /var/lib/libvirt/images > or wherever your image files are. This needs to be done on the directory > whether you have a separate subvol or not. > > 2. This ONLY works for new files and ONLY works for "raw" storage f

/var/lib/libvirt/images on BTRFS (it works!)

2013-11-17 Thread Gene Czarcinski
Some of you may be interested in running your qemu-kvm (or other) disk image files on BTRFS. After some fumbling around, I have found out how to do it so it works and works very well (especially if it is on an SSD). Anyone investigating running on BTRFS immediately finds out that there is a f