Re: [Xen-users] disk performance on server migrated

[Paras pradhan <pradhanparas@xxxxxxxxx>]

iostat or vmstat can provide i/o wait information.


Paras.


On Mon, Oct 25, 2010 at 4:50 PM, kazabe <kazabe@xxxxxxxxx> wrote:
> hi.
>
> i was migrated an old woody samba server to a new lenny samba
> virtualized server.
>
> That server is a PDC with random profiles and file server.
>
> Some users are reporting me bad performance in the app shared (all
> developed on MS-ACCESS).  the memory and cpu reports in the domU show
> all fine, but i have some doubts in the disk performance.  The dom0 is
> a Dell PowerEdge T610 (2 cpu Intel Xeon, 8GB RAM)
>
> the domU is a vserver created using the xen-create-image options, to
> create a "hard disk" on ext3 file system.
>
> the old server was a poweredge 2600 with scsi disks.
>
> how can i confirm if the domU server have really a bad disk perfomance
> (compared with the old server) and how can i optimize that disk
> performance?
>
> maybe adding a phisical drive to the domU?
>
> thanks and regards.
>
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