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From: Erik Rull <erik.rull@rdsoftware.de>
To: Avi Kivity <avi@redhat.com>
Cc: kvm@vger.kernel.org
Subject: Re: kvm-77 Excessive Disk Access causes real time clock hang!
Date: Mon, 27 Apr 2009 01:12:08 +0200	[thread overview]
Message-ID: <49F4EA48.2070208@rdsoftware.de> (raw)
In-Reply-To: <49F43B77.4080102@redhat.com>

Hi Avi,

Avi Kivity 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 :-)

Best regards,

Erik



  reply	other threads:[~2009-04-26 23:12 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 [this message]
2009-04-27  6:27     ` Avi Kivity
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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