On 6/9/2011 12:02 PM, Emmanuel Noobadmin wrote:
>
>> disks are often swamped by "two things happening at once"...
>> backups
>> migrating a VM
>> database upgrades
>> .rrd average updates
>
> Unfortunately, the VMs are public facing and the offending one has got
> a relatively popular Wordpress blog as well as relatively high email
> traffic. So it's likely the result of those two things happening at
> once.
Don't forget the VM's don't isolate contention for the physical disk
heads on the host device(s). They just sort of hide your ability to see
where that time goes.
--
Les Mikesell
lesmikesell at gmail.com