Re: [PATCH] md/raid10: read balance chooses idlest disk for SSD

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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



[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux