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
