Re: [kvm-devel] Some FAQ questions

2008-04-22 Thread Avi Kivity
Damjan wrote: I have some questions for the FAQ, about the configuration of Linux guests: a) is swap needed in the guest (I'd say no, but..) b) what filesystem is best for a guest c) what io scheduler in the guest (noop? or cfq) d) are there any runtime kernel tweaks for the guest

Re: [kvm-devel] Some FAQ questions

2008-04-22 Thread Luca Tettamanti
On Tue, Apr 22, 2008 at 1:10 PM, Avi Kivity [EMAIL PROTECTED] wrote: Damjan wrote: I have some questions for the FAQ, about the configuration of Linux guests: a) is swap needed in the guest (I'd say no, but..) b) what filesystem is best for a guest c) what io scheduler in the guest

Re: [kvm-devel] Some FAQ questions

2008-04-22 Thread Avi Kivity
Luca Tettamanti wrote: Is cfq still fair in the guest? The VM re-dispatches the requests (at least when using QEMU IDE) and the host can reschedule them at will. The same problem occurs (to a lesser extent) in non-virtualized environments; disks (and esp. array controllers) also have their

[kvm-devel] Some FAQ questions

2008-04-21 Thread Damjan
I have some questions for the FAQ, about the configuration of Linux guests: a) is swap needed in the guest (I'd say no, but..) b) what filesystem is best for a guest c) what io scheduler in the guest (noop? or cfq) d) are there any runtime kernel tweaks for the guest (/proc/sys)? e) suggested