[Beowulf] Re: MD check/scrub features

[Mark Hahn]

>> not me.  raid is too important to be trusted to hardware - have you
>> tried MD's check/scrub features?  though afaik it doesn't have a way
>> to switch on verification during normal reads (or, for that matter,
>> verify-after-write.)
>
> Any pointers to more information on this?

apparently, recent enough md man pages discuss it,
though I don't have any recent-enough systems.  the canonical source
of information would be /usr/src/linux/Documentation/md.txt
(I checked for 2.6.23.)

http://man-wiki.net/index.php/4%3Amd
http://linux-raid.osdl.org/index.php/RAID_Administration
http://aisalen.wordpress.com/2007/07/09/raid-arrays-in-linux/
http://www.irasnyder.com/dokuwiki/linux%3Araid_scrub

regards, mark hahn.