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

[pg@xxxxxxxxxxxxxxxxxxxx (Peter Grandi)]

[ ... ]

>> Good call. But the resync is done before the mkfs.xfs is finished, so
>> the time of the copying is not affected by resync.
>> 
>> I re-tested with --assume-clean and as expected it has no impact.

>    Wanna try CONFIG_MULTICORE_RAID456? :-)

That would be intreresting, but the original post reports over
6GB/s for pure checksumming, and around 400MB/s actual transfer
rate. In theory there is no need here for multihreading. There
may something else going on :-).

[ ... ]
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