On Fri, Feb 05, 2010 at 10:06:38PM +0000, Kristleifur Daðason wrote: > On Fri, Feb 5, 2010 at 6:50 PM, Keld Simonsen <keld@xxxxxxxxxx> wrote: > > On Fri, Feb 05, 2010 at 04:25:02PM +0000, Kristleifur Daðason wrote: > >> On Fri, Feb 5, 2010 at 1:19 AM, Keld Simonsen <keld@xxxxxxxxxx> wrote: > >> > On Wed, Feb 03, 2010 at 03:57:58AM +0100, Keld Simonsen wrote: > >> > Hi > >> > > >> > > >> > can anybody help me with this? I am stuck with recovering my system here. > >> > is it a sensible thing ro do? > >> > > >> > best regards > >> > keld > >> > > >> >> Hi > >> >> > >> >> I got 2 arrays in error of the raid10 type. > >> >> > >> >> I think this is because my motherboard died, and then the fs were > >> >> corrupted. > >> >> > >> >> My thoughts were that actually one of the copies could be correct. > >> >> So I would like to try out the consistency of each part of the raid10 > >> >> (it is 2-partition arrays), and then if I find one that is consistent, then > >> >> resync the faulty one with the good one. > >> >> > >> >> How do I do this? > >> >> > >> >> it seems that I cannot just assemble an array with a missing part. > >> >> If I assemble the full array, is there then a risk of the bad one > >> >> corrupting the good one? And can I declare one of the disks faulty > >> >> then test the other one, then declare nbr 2 disk for faulty and > >> >> declare the first one as good? > >> >> > >> >> I dont see anything on the wiki on this. > >> >> > >> >> best regards > >> >> keld > >> > -- > >> > 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 > >> > > >> > >> > >> I wish I could help more, but check out this from the mdadm man page: > >> > >> To create a "degraded" array in which some devices are missing, > >> simply give > >> the word "missing" in place of a device name. This will > >> cause mdadm to > >> leave the corresponding slot in the array empty. For a > >> RAID4 or RAID5 > >> array at most one slot can be "missing"; for a RAID6 array > >> at most two > >> slots. For a RAID1 array, only one real device needs to be > >> given. All of > >> the others can be "missing". > > > > I tried missing, but mdadm said that it could not find missing as a device, > > for assemble mode. > > > > best regards > > keld > > > > Hmmm ... I guess your version of mdadm may be too old. Which version > do you have? v2.5.3 best regards keld -- 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