[NMLUG] ioWait brown out

[aaron at boim.com (Aaron Birenboim)]

On 02/04/2011 11:36 AM, Matthew Bowie wrote:
>> What might be different about my workstations?
>> (I have tried three of them)
>
> File server might be using faster disks or disks with write cache
> enabled.  I *believe* that a sync will just force the data out of the
> OS cache to the drive, but if it has write caching enabled then it may
> not actually force it to the platter, but not sure about this.
>
> Is the fileserver using the same filesystem as the workstations?

Not quite.  The fileserver I tested was ubuntu server 10.04.
My home workstation is lucid (I have no idea what number that is.  could 
be 9.something)

I have debian servers I can try at work...
they will run dd, but not my code.

            aaron