On Tue, 29 Jul 2014 12:30:53 +0200 "Matthias Appel" <appel.matthias@xxxxxxxxx> wrote: > Hi all, > > I have a problem with my 4 disk software raid 5. > I had a defective disk which I identified and changed and the rebuild > started. > > But somewhere around 6pm the machine crashed and I had to reset it this > morning. > The problem is the raid won't start because it complains about missing > drives. > > I did mdadm -examine and saw the event counter on one disk was slightly off > and obviously two disks fell off the raid the same time, giving me ..AA like > you see down below. > > I tried to force assemble the array and I got the message about the event > counter being adjusted. > I assumed the raid would start now, like multiple times before I had same > issues with multiple failing drives/controllers > > But this time not....I says that the raid is missing 2 disks but examine > looks not this bad AFAIKS. > I read the recovery wiki entry, but there it tells me to recreate the array > without initial sync but I don't want to go this way because I think this > should only be the last resort. > > Can anybody look at the mdadm --examine of my disks and tell me why my raid > is complaining about missing disks and how to recover from this issue: > > If you need some more information, pleas tell me, what you need and I will > try to get it! > > Thanks in advance, > > Matthias > Looks like it should start. What version of mdadm and kernel do you have? What does: mdadm -V uname -a mdadm -A /dev/md0 --force -vvv /dev/sd[abe] report? NeilBrown
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