Re: [Xen-users] very slow disk access

[Brian Krusic <brian@xxxxxxxxxx>]

On Feb 26, 2011, at 6:11 PM, Randy Katz wrote:

> it seems I am using tap:aio on what appears to be quite slow:
>
> disk = [ "tap:aio:/disk0/server3.img,xvda,w" ]
>
> Is there a good way to convert from tap:aio to lvm?

Hi Randy,

I don't use LVM and my performance is fine.

Have you looked into the domU itself troubleshooting as if it were a  
non virtual host?
Things like vmstat, top, tcpdump, dstat, etc... just to get a snapshot  
of what your system is doing.
- Brian

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