Re: raw disks no longer work in latest kvm (kvm-88 was fine)

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On 03/08/2010 02:09 AM, Asdo wrote:
Avi Kivity wrote:
On 03/07/2010 08:01 PM, Antoine Martin wrote:

Yes cache=none: "-drive file=./vm/var_fs,if=virtio,cache=none"

Side question: this is the right thing to do for raw partitions, right?

The rightest.

Isn't cache=writeback now safe on virtio-blk since 2.6.32?
Doesn't it provide better performances?
I thought it was best to let the guest deal with it? (single cache)
Also that looks like a raw file to me, not a partition... do they follow the same optimization "rule"?
This is a device (/dev/sdc9) in the chroot, don't let the name fool you ;)

Antoine


Thank you
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