Hi,
On Sun, 4 Dec 2011 20:01:25 +0200, Zavi wrote:
> Here's the result
>
> > sudo nilfs-tune -l /dev/sdc
> nilfs-tune 2.1.0-rc1
> /dev/sdc: cannot open NILFS
Hmm, seems like super blocks are not written to disk.
Does the following option ('-K' option) affect the results ?
$ sudo mkfs -t nilfs2 -v -K /dev/sdc
$ sudo nilfs-tune -l /dev/sdc
This option stops issuing discard command to disk just before writing
new super blocks.
Regards,
Ryusuke Konishi
> On Sun, Dec 4, 2011 at 7:13 PM, Ryusuke Konishi
> <konishi.ryusuke@xxxxxxxxxxxxx> wrote:
> > 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@xxxxxxxxxxxxx> 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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