Re: Software RAID checksum performance on 24 disks not even close to kernel reported

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On Tue, Jun 5, 2012 at 1:29 PM, Igor M Podlesny <for.poige+lsr@xxxxxxxxx> wrote:
> On 5 June 2012 15:47, Ole Tange <ole@xxxxxxxx> wrote:
>> On Tue, Jun 5, 2012 at 5:39 AM, Igor M Podlesny <for.poige+lsr@xxxxxxxxx> wrote:
>>> On 5 June 2012 07:14, Ole Tange <ole@xxxxxxxx> wrote:
>>> […]
>>>> I tested this by creating 24 devices in RAM, used different chunk
>>>> sizes, and then copied the linux kernel source. Test script can be
>>>> found on http://oletange.blogspot.dk/2012/05/software-raid-performance-on-24-disks.html
:
>   Wanna try CONFIG_MULTICORE_RAID456? :-)

If the kernel can checksum 6196 MB/s why would I need
CONFIG_MULTICORE_RAID456? Please elaborate on why you think that is
needed.

/Ole
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