Neil Brown wrote: > On Monday November 29, perbu@xxxxxxxxx wrote: > > > > Hi. > > > > We have a busy mailserver with the mail-spool on MD (raid1, consisting > > of sda and sdb, ext3 w/data=journal noatime nodiratime, 2.6.6, > > Debian Woody). The read-balancing does not seem to work properly. > > The array wasn't resyncing at the time was it? > I ask partly because resyncing substantially reduces the opportunities > for read-balance (it will only read balance parts of the array that > are known to be in-sync) and partly because the amount of read > traffic to sdb seems to start picking up at the end of your log. > > If you can confirm that it wasn't resyncing, I will look into it. You already did that in June :) It's a known bug in 2.6.6 http://marc.theaimsgroup.com/?t=108686719100002&r=1&w=2 http://marc.theaimsgroup.com/?l=linux-raid&m=108725741411235&w=2 Mike. - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html