On 2/26/2013 9:11 PM, Khurram Hassan wrote: > I have a disabled raid 5 (3 disks) array on a Rocketraid 640. The full > sequence of events follows. After the array was shown as degraded, I > checked the webgui (under windows 7) which showed hard disk 3 was bad, > so changed this hard disk and the rebuild started. After a few hours, > I got a loud continuous beep from the system. Upon checking it, I > found that hard disk 1 had bad sectors and was offline. At this time, > the rebuild showed 85.1% complete. I clicked rescan and it came back > on online. At this time, I started copying data from the raid disk to > another hard disk which was not on the raid controller. The raid disk > had three volumes and I successfully copied the first volume data. It > was during data copy from the 2nd volume that hard disk 1 gave bad > sector message again and went offline. I clicked rescan, it came > online but then hard disk 2 and hard disk 3 went offline and the array > became disabled. The 3 disks are still recognized by the controller, > but the array shows only the 1st hard disk as part of the array. > > Can I use mdadm to recover this array or at least to get the 2nd hard > disk as online so that I can copy data from it? I dont boot off the > array; I have another hard disk for that purpose. I have installed > ubuntu 12.04 on this boot hard disk and have loaded the driver for the > controller in it. I dont see anyhard disk devices under /dev for it. I > only have /dev/sdax which is for my boot hard disk. Is this RAID5 array created/controlled by the RocketRAID firmware or Linux md/RAID (mdadm). It sounds like the RocketRAID. In which case, why would you think mdadm could fix a hardware RAID card problem? -- Stan -- 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
