On 4/21/19 5:06 PM, Andre Robatino wrote:
Device Boot Start End Sectors Size Id Type
/dev/sda1 * 2048 1026047 1024000 500M 7 HPFS/NTFS/exFAT
/dev/sda2 1026048 536872959 535846912 255.5G 7 HPFS/NTFS/exFAT
/dev/sda3 536872960 538970111 2097152 1G 83 Linux
/dev/sda4 538970112 3907028991 3368058880 1.6T 5 Extended
/dev/sda5 538972160 3907028991 3368056832 1.6T 8e Linux LVM
so the bad LBA is in both sda4 and sda5. Trying tune2fs to find the block size
gives
[root@lenovo-pc ~]# tune2fs -l /dev/sda4 | grep Block
tune2fs: Attempt to read block from filesystem resulted in short read while
trying to open /dev/sda4
sda4 is an extended partition. That's just a container, no filesystem.
Couldn't find valid filesystem superblock.
[root@lenovo-pc ~]# tune2fs -l /dev/sda5 | grep Block
tune2fs: Bad magic number in super-block while trying to open /dev/sda5
sda5 is an LVM volume, also not directly a filesystem.
[root@lenovo-pc ~]# tune2fs -l /dev/mapper/fedora-root | grep Block
Block count: 419037184
Block size: 4096
Blocks per group: 32768
Do you have a home partition as well? If so, it's more likely to be in
that one. Try running "badblocks -s -b 4096 /dev/mapper/fedora-root"
and if you have a home partition, "badblocks -s -b 4096
/dev/mapper/fedora-home". I'm assuming that you have 4K blocks, that's
the default for ext4. If you get a hit from badblocks, then run debugfs
on the filesystem. Enter "icheck <number from badblocks>". That should
give you at least one inode. If not, then maybe the block isn't in use.
Then exit debugfs and run "find / -xdev -inum <inode number>" to find
the file corresponding to the inode. Use /home instead of / if that's
where the bad block was found.
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