Hi, On 6/11/19 3:43 PM, keld@xxxxxxxxxx wrote:
thanks for this patch I think we should change the hd algorithm to chose the highest block number at least for the far layout. ther outer blocks have the fastest transfer rates and also the shortest distance for head movement.
I didn't investigate the performance of far layout a lot, seems there was one patch (commit 8ed3a19563b6c " md: don't attempt read-balancing for raid10 'far' layouts") which was aimed to do it, and you were the author, no? ;-). Or I missed something.
Cheers, Guoqing