[mythtv-users] lvm mount "bad superblock"

[Scott Bickford]

I have skips in my recording with my PVR-350 (2.6.16-1.2069_FC4 and ivtv
0.6.1 ).  During playback I get skips and eventually a complete lockup of
the system.  To prevent the skips I have the nvram-wakeup routine setup.

Anyhow, while watching a show, mythtv locked up and I proceeded to power the
system off.  Now on bootup and attempts at mounting my 280 gig lvm jfs, I
get (ugh not again):

mount: wrong fs type, bad option, bad superblock on /dev/Myth/video,
       missing codepage or other error
       In some cases useful info is found in syslog - try
       dmesg | tail  or so


As a result of this I guess I have to rebuild the lvm again.  I can go into
lvm and see the volume.  I tried to run a jfs_fsck, but that reports


The superblock does not describe a correct jfs file system.

If device /dev/hdd1 is valid and contains a jfs file system,
then both the primary and secondary superblocks are corrupt
and cannot be repaired, and fsck cannot continue.

Is there anything else I can try?
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