Re: Initial mount fails

[Ryusuke Konishi <konishi.ryusuke-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org>]

On Sun, 4 Dec 2011 18:38:58 +0200, Zavi wrote:
> Thank you Ryusuke for the quick reply
> 
> Of course dmesg is the first thing I looked at.
> All I see is a not very informative message
> > NILFS: Can't find nilfs on dev sdc.
> 

This message is printed when no super blocks are found on the device.
Does nilfs-tune command work for the partition ?

 $ sudo nilfs-tune -l /dev/sdc

It tries to read super block, and displays file system information if
a valid super block was found.

Regards,
Ryusuke Konishi

> On Sun, Dec 4, 2011 at 3:29 PM, Ryusuke Konishi
> <konishi.ryusuke-Zyj7fXuS5i5L9jVzuh4AOg@public.gmane.org> wrote:
> > Hi,
> > On Sun, 4 Dec 2011 11:10:12 +0200, Zavi wrote:
> >> Hi all,
> >>
> >> I'm trying yo mount nilfs on a device without success.
> >> mkfs works just fine, but when I try to mount I keep getting an error
> >> > sudo mkfs -t nilfs2 /dev/sdc
> >> > sudo mount -t nilfs2 /dev/sdc ~/nilfs
> >> mount.nilfs2: Error while mounting /dev/sdc on ~/nilfs: Invalid argument
> >>
> >
> > Were there any related messages in logs?  Please try dmesg command or
> > make sure system logs:
> >
> >  $ dmesg
> >
> >  or
> >
> >  $ sudo cat /var/log/{messages,syslog}
> >
> > Regards,
> > Ryusuke Konishi
> >
> >> I've installed nilfs-utils, and this is what I get from fsck
> >> > sudo fsck0.nilfs2 -f -v /dev/sdc
> >> fsck0.nilfs2: cannot read super block (device=/dev/sdc)
> >>
> >> just to be sure the problem is not in the device, I mounted ext4 on it
> >> successfuly.
> >> I can also do block requests (dd, iometer) without a problem.
> >>
> >> I'd appreciate any suggestion.
> >>
> >> Thanks,
> >> Zavi
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