Re: btrfs RAID-1 vs md RAID-1?

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On 05/15/2016 06:24 PM, Tomasz Chmielewski wrote:
I'm trying to read two large files in parallel from a 2-disk RAID-1
btrfs setup (using kernel 4.5.3).

According to iostat, one of the disks is 100% saturated, while the other
disk is around 0% busy.

Is it expected?

No.


Are there any plans to improve this is btrfs?

yes.

Thanks, Anand

Tomasz Chmielewski
http://wpkg.org

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