Re: Is it possible to recover data after resync?

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wednesday July 19, alex14641@xxxxxxxxx wrote:
> Situation:
> 
> I accidentally killed the power to my 5-disk RAID 5 array. I then powered
> it back up and rebooted the system. After reboot, however, I got the follow-
> ing error when trying to assemble the array:
> 
> mdadm -A -amd /dev/md0 /dev/sd[a-e]
> mdadm: /dev/md0 assembled from 2 drives - not enough to start the array.
> 
> I had read somewhere that it's possible to recover an array using the -C
> option to mdadm. Unfortunately, I didn't specify 'missing', so instead of
> recovering, it's resyncing. 

--assemble --force is worth try first and is much safer.

> 
> Is there any way to recover the original data?

Well, if you got all the right devices in the right order, then your
data should be fine.  If not, I hope you have good backups, because
they are your only hope.

NeilBrown
-
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

[Index of Archives]     [Linux RAID Wiki]     [ATA RAID]     [Linux SCSI Target Infrastructure]     [Linux Block]     [Linux IDE]     [Linux SCSI]     [Linux Hams]     [Device Mapper]     [Device Mapper Cryptographics]     [Kernel]     [Linux Admin]     [Linux Net]     [GFS]     [RPM]     [git]     [Yosemite Forum]


  Powered by Linux