Re: Reading takes 100% precedence over writes for mdadm+raid5?

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On Sunday December 2, jpiszcz@xxxxxxxxxxxxxxx wrote:
> 
> Was curious if when running 10 DD's (which are writing to the RAID 5) 
> fine, no issues, suddenly all go into D-state and let the read/give it 
> 100% priority?

So are you saying that the writes completely stalled while the read
was progressing?  How exactly did you measure that?

What kernel version are you running.

> 
> Is this normal?

It shouldn't be.

NeilBrown
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