Did you do that to all of the related arrays? what does /sys/block/md1/md/sync_action show? Perhaps its just paused and you can start it manually by echoing 'resync' into it. On Thu, May 17, 2012 at 9:57 AM, Roberto Spadim <roberto@xxxxxxxxxxxxx> wrote: > i did this and don't worked > echo 1 > /sys/block/md1/md/sync_force_parallel > > at /proc/mdstat > /dev/md1 appears as sync > but stay at 0% > and after /dev/md0 resync /dev/md1 start > > there's another way to force sync? > > 2012/5/17 Marcus Sorensen <shadowsor@xxxxxxxxx> >> >> see /sys/block/md[0,1,2]/md/sync_force_parallel >> >> On Thu, May 17, 2012 at 9:50 AM, Roberto Spadim <roberto@xxxxxxxxxxxxx> wrote: >> > hi guys, i was running a resync in a non-normal hardware instalation >> > >> > it's a server with 4 disks, they are in a raid hardware controller (perci >> > from dell) >> > disk 1-2 are raid1 and linux know it about /dev/sda >> > disk 3-4 are raid1 and linux know it about /dev/sdb >> > >> > well i add more 4 disks >> > disk 5-6 raid1 with /dev/sdc >> > disk 7-8 raid1 with /dev/sdd >> > >> > nice... >> > well /dev/sda and /dev/sdb have same partitions (/dev/sda1, 2 3 4) and have >> > some md devices in this partitions.. >> > /dev/md0 = /dev/sda1 /dev/sdb1 >> > /dev/md1 = /dev/sda2 /dev/sdb2 >> > /dev/md2 = /dev/sda3 /dev/sdb3 >> > all raid 1 too >> > >> > i create same partitions on /dev/sdc, /dev/sdd >> > and add they to md raid1 >> > /dev/md0 = /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 >> > /dev/md1 = /dev/sda2 /dev/sdb2 /dev/sdc2 /dev/sdd2 >> > /dev/md2 = /dev/sda3 /dev/sdb3 /dev/sdc3 /dev/sdd3 >> > >> > >> > nice.. >> > mdadm start resync... >> > the point is... >> > /dev/sda1 start copies to /dev/sdc1 and /dev/sdd1, i checked this with >> > iostat -d 1 -k, and server is idle, only mdadm and raid is running, >> > /dev/sda1 have reads and /dev/sdc1 and /dev/sdd1 have writes >> > nice.. >> > >> > the problem is... >> > /dev/sdc2 and /dev/sdd2 didn't start sync while /dev/md0 is running, since >> > they share the same devices (/dev/md0 => /dev/sda1, /dev/md1 => /dev/sda2) >> > >> > could i force a sync in /dev/md1?? >> > since /dev/sda is a raid1 hardware, it can handle two disks without >> > performace problems... >> > it have 2 heads, in others words the mdadm disk balance isn't perfect here >> > to this solution, but works... the problem is sync not running, if i could >> > force it every things could be allright >> > >> > i must check kernel version, it's about 2.6.3x, 1 year old +- >> > >> > well that's it, any ideas? >> > >> > >> > *** >> > sorry if i send two emails, the email was configured to HTML/RICH TEXT text >> > >> > >> > -- >> > Roberto Spadim >> > Spadim Technology / SPAEmpresarial >> > -- >> > 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 >> -- >> 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 > > > > > -- > Roberto Spadim > Spadim Technology / SPAEmpresarial -- 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