On 08/27/2012 12:58 PM, Yuri Vorobyev wrote:
> 27.08.2012 14:43, Sašo Kiselkov пишет:
>
>>> Is there any way to disable ARC for testing and leave prefetch enabled?
>>
>> No. The reason is quite simply because prefetch is a mechanism separate
>> from your direct application's read requests. Prefetc
On 08/27/2012 10:37 AM, Yuri Vorobyev wrote:
> Is there any way to disable ARC for testing and leave prefetch enabled?
No. The reason is quite simply because prefetch is a mechanism separate
from your direct application's read requests. Prefetch runs on ahead of
your anticipated read requests and
On 08/26/2012 07:40 AM, Yuri Vorobyev wrote:
> Can someone with Supermicro JBOD equipped with SAS drives and LSI
> HBA do this sequential read test?
Did that on a SC847 with 45 drives, read speeds around 2GB/s aren't a
problem.
> Don't forget to set primarycache=none on testing dataset.
There's
23.07.2012 22:09, Sašo Kiselkov пишет:
Hi,
Have you had a look iostat -E (error counters) to make sure you don't
have faulty cabling? I've bad cables trip me up once in a manner similar
to your situation here.
Looked now. No errors.
___
OpenIndian
Hi,
Have you had a look iostat -E (error counters) to make sure you don't
have faulty cabling? I've bad cables trip me up once in a manner similar
to your situation here.
Cheers,
--
Saso
On 07/23/2012 07:18 AM, Yuri Vorobyev wrote:
> Hello.
>
> I faced with a strange performance problem with ne
