On Tue, Nov 06, 2007 at 11:59:21PM +0300, Artem Kuchin wrote: > Steve Bertrand wrote: >> Artem Kuchin wrote: >>> I have a mirror raid on Promise controller >>> supported by atacontrol. >>> How can i verify it? >> [snip] > > No, no. i meant completelly verify raid data, that is > that bother drive match and no bad blocks on any of them. > There is a special VERIFY raid command on 3ware and > HPT and other, but i don't see it on atacontrol.
The feature you want is called "scrubbing" or "disk scrubbing". The best options you have that I know of are using dd to scan the entire disk, or a program that comes with the base system (but compiled/installed through the ports system) called diskcheckd (which more or less does what you want, but it does not appear to work exactly as described; I have an open PR on it: ports/115853) Otherwise, ZFS offers exactly what you want. Case in point: icarus# zpool list NAME SIZE USED AVAIL CAP HEALTH ALTROOT storage 928G 97.3G 831G 10% ONLINE - icarus# zpool scrub storage icarus# zpool status pool: storage state: ONLINE scrub: scrub in progress, 0.16% done, 0h20m to go config: NAME STATE READ WRITE CKSUM storage ONLINE 0 0 0 ad4 ONLINE 0 0 0 ad6 ONLINE 0 0 0 errors: No known data errors icarus# zpool status | egrep 'scrub|errors' scrub: scrub in progress, 7.21% done, 0h12m to go errors: No known data errors -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB | _______________________________________________ freebsd-stable@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"