Hi,
Dne 21.2.2013 23:01, Nicholas A. Bellinger napsal(a):
Hi Martin,
On Thu, 2013-02-21 at 12:43 +0100, Martin Svec wrote:
> I'm sorry, I forgot to mention hardware details. It isn't aacraid, it
> is megaraid-based Dell PERC H700 w/ 1GB NVRAM and 12x 450GB 15k SAS
> dri
;ing linux-scsi here, as aacraid doesn't have an official maintainer
> atm.
>
> --nab
>
> On Wed, 2013-02-20 at 16:38 +0100, Martin Svec wrote:
>> Hello,
>>
>> I've noticed read I/O starvation problems of LIO iSCSI target when
>> used on top o
Hello,
I've noticed read I/O starvation problems of LIO iSCSI target when
used on top of writeback-enabled HW RAID controller (PERC H700 with
1GB cache). For intensive mixed read-write workload in virtualized
environments, writes are able to consume over 95% of the IOPS
throughput and cause starva
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