documentation for echo check > /dev/mdX, etc.

documentation for echo check > /dev/mdX, etc.

[Mark Knecht]

Where do I find documentation on what a command like

echo check >> /sys/block/mdX/md/sync_action

is doing and where it reports errors if it finds any?

Thanks,
Mark

Re: documentation for echo check > /dev/mdX, etc.

[Beolach]

On Fri, Nov 4, 2011 at 11:57, Mark Knecht <markknecht@gmail.com> wrote:
> Where do I find documentation on what a command like
>
> echo check >> /sys/block/mdX/md/sync_action
>
> is doing and where it reports errors if it finds any?
>
> Thanks,
> Mark

The md(4) man page, under the title "Scrubbing and Mismatches".


Good luck,
Conway S. Smith