Re: [Xen-users] Optimizing I/O

[Vidar Salberg Normann <vidarno@xxxxxxxxx>]

> On Jan 21, 2009, at 4:07 PM, lists@xxxxxxxxxxxx wrote:
>
>> Anyone have any tips on optimizing CentOS for best I/O when it's being
>> used as a xen server.
>>
>> Mike
>
> I don't know about just I/O but in general I do;
>
> /etc/grub
>
> after the kernal line at the end add dom0=512M
> after the module vmlinuz at the end of that line add nosmp
>
> then in /etc/xen/xend-config.sxp add
> (dom0-min-mem 0)
>
> These mods have made my dom0 no longer pause at wierd times of the day and
> allow faster performance of my domUs.
>
> - Brian
>

But won't adding "nosmp" make your server only use 1 CPU(-core)?
Seems like a terrible waste.

Regards,
Vidar

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users