[libvirt] cache=none

2009-10-22 Thread Stefan
Hello, * Is it possible to add the kvm -drive-option cache=none to libvirtd.conf ? It's a recommendation of XFS FAQ: http://xfs.org/index.php/XFS_FAQ#Q:_Which_settings_are_best_with_virtualization_like_VMware.2C_XEN.2C_qemu.3F * Is there a generic way to handle kvm options that are not

Re: [libvirt] cache=none

2009-10-22 Thread Daniel P. Berrange
On Thu, Oct 22, 2009 at 05:23:55PM +0200, Stefan wrote: Hello, * Is it possible to add the kvm -drive-option cache=none to libvirtd.conf ? It's a recommendation of XFS FAQ: http://xfs.org/index.php/XFS_FAQ#Q:_Which_settings_are_best_with_virtualization_like_VMware.2C_XEN.2C_qemu.3F

Re: [libvirt] cache=none

2009-10-22 Thread Stefan
* Is it generally a bad idea to use XFS with KVM ? I don't know of any problems with using XFS, there was a bug a long while back with a combo of AIO + sparse files, but that's long since fixed. There are several warnings using XFS with KVM because of the intensive Write-Caching. Are

Re: [libvirt] cache=none

2009-10-22 Thread Daniel P. Berrange
On Thu, Oct 22, 2009 at 06:33:25PM +0200, Stefan wrote: * Is it generally a bad idea to use XFS with KVM ? I don't know of any problems with using XFS, there was a bug a long while back with a combo of AIO + sparse files, but that's long since fixed. There are several warnings