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? -- 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