From: Avi Kivity <avi@redhat.com>
To: Erik Rull <erik.rull@rdsoftware.de>
Cc: kvm@vger.kernel.org
Subject: Re: kvm-77 Excessive Disk Access causes real time clock hang!
Date: Mon, 27 Apr 2009 09:27:29 +0300 [thread overview]
Message-ID: <49F55051.1000409@redhat.com> (raw)
In-Reply-To: <49F4EA48.2070208@rdsoftware.de>
Erik Rull wrote:
>> Are you using qcow2? In some cases qcow2 will stall the guest cpu.
>>
>> Note that defragmenting the guest drive may cause the qcow2 file to
>> fragment even more, and will certainly increase its size. I
>> recommend only defragmenting when using raw storage.
>
> I don't think so. I created a partition on my host "real" harddrive
> and provided this partition to my windows guest.
>
> If you have an idea, which virtualized drive system could be the
> fastest (except giving a complete disk to the guest), your comments
> are welcome :-)
>
>
interface: virtio
cache: none
format: raw, using a partition or logical volume
What are you using?
--
Do not meddle in the internals of kernels, for they are subtle and quick to panic.
next prev parent reply other threads:[~2009-04-27 6:27 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-24 15:29 kvm-77 Excessive Disk Access causes real time clock hang! Erik Rull
2009-04-24 23:30 ` Marcelo Tosatti
2009-04-26 10:46 ` Avi Kivity
2009-04-26 23:12 ` Erik Rull
2009-04-27 6:27 ` Avi Kivity [this message]
2009-04-27 17:19 ` Erik Rull
2009-04-29 8:21 ` Avi Kivity
2009-05-04 19:30 ` Erik Rull
2009-05-04 19:30 ` Erik Rull
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