On 04/20/2016 05:33 AM, Weiner, Michael wrote:
I received the following error:
mount: wrong fs type, bad option, bad superblock on /dev/sdb1,
# dd if=/dev/sdb1 bs=1k count=1 skip=1 | od -h
...
0000060 a851 570e 0044 ffff ef53 0001 0001 0000
...
"ef53" is a signature for ext3 filesystems. Do you see it there? Do you
see anything in that 1k of data?
What does parted tell you about sdb?
# parted /dev/sdb print
I tried to get a listing of backup superblocks by doing the following:
[root@raos_apps01 ~]# mke2fs -b 8192 -n /dev/sdb1
mke2fs: 8192-byte blocks too big for system (max 4096)
Proceed anyway? (y,n) y
If you know that the maximum block size is 4096, why are you asking it
for superblock on a filesystem with 8k blocks?
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