I tried running e2fsck -cfpv /dev/sdc1 and got e2fsck: Attempt to read block from filesystem resulted in short read while trying to open /dev/sdc1 Apparently it was where the superblock was stored and that's why the partition was not recognized and could not be mounted. Running badblocks and looking at SMART data I determined that there is 1 damaged sector which is somewhere in the beginning of the drive. I made a full disk image, just in case, using ddrescue but ended up not needing it. How can I grab the information that is supposedly saved?įor anyone who finds this question, I managed to resolve the issue without resorting to photorec or other salvaging tools. Mount: wrong fs type, bad option, bad superblock on /dev/loop0, Unfortunately I was running that over ssh and my pipe broke or something so I ended up with a ~150GB img file which when I try to mount I get the same error I got when trying to mount the drive itself (duh): # mount data.img /mnt -o loop I tried chopping 500GB off the drive, just to see if it would work: # ddrescue -d -s 500G /dev/sdc data.img data.log EXT4-fs (sdc1): can't read group descriptor 1Īs I said, I'm assuming the drive is going night night, so I'd like to at least save whatever information I have on there (which is by the way more on the significant side). sd 5:0:0:0: tag#0 Sense Key : Medium Error sd 5:0:0:0: tag#0 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE EXT4-fs (sdc1): couldn't mount as ext2 due to feature incompatibilities EXT4-fs (sdc1): couldn't mount as ext3 due to feature incompatibilities Buffer I/O error on dev sdc1, logical block 2, async page read blk_update_request: critical medium error, dev sdc, sector 2064 In some cases useful info is found in syslog - tryĬhecking dmesg as suggested: # dmesg | tail Missing codepage or helper program, or other error Mount: wrong fs type, bad option, bad superblock on /dev/sdc1, When I attempt to mount it I get the following error: # mount /dev/sdc1 /mnt It is a single partition drive for extra storage. Currently I believe I'm experiencing drive (HDD) failure.
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