Re: how to umount /floppy with superblock error?
I'm afraid I can not help. I experienced the same problems when someone
tried to mount the damaged floppy or CD-ROM in my debian-linux server.
Sometimes the server seemed to get completely frozen (I'm not sure if it
could recover without my intervention, I couldn't wait so long and
rebooted my machine after 10 ~ 30 minutes :-().
It seems to me that although generally Linux is much more stable than M$
systems, the removable media support is the unfamous exception
there...
The possibility of supporting almost all available filesystems is really
impressive, but the danger that someone (or even me) may accidentally lock
my computer, just by mounting the floppy stored too near to the magnet, is
a little :-) annoying.
Wojtek Zabolotny
wzab@ipe.pw.edu.pl
On Sat, 9 Jan 1999, Damir J. Naden wrote:
> Hi, everybody --
>
> I wanted to reuse the OS/2 warp floppies I had hanging around. I wanted to make them ext2 filesystem, so issued the command (with the floppy in /dev/fd0, but _not_ mounted):
> mke2fs /dev/fd0
>
> The drive light was on for a while and I got the info about formatting; and
> the prompt returned. Then I wanted to mount it and used:
> mount -t ext2 /dev/fd0 /floppy
>
> where I got the message about "can't read superblock" ( I know this is not a
> good thing). Then I tried to umount it, thinking I'll just toss the floppy.
> But issueing:
> umount /floppy gives me: "umount: /floppy: can't write superblock"
>
> and my /var/log/messages shows:
> Jan 9 12:23:29 cmt kernel: Directory sread (sector 0x13) failed
> Jan 9 12:23:30 cmt kernel: end_request: I/O error, dev 02:00, sector 19
>
> Doing a df:
> df: /floppy/: Input/output error
>
> Could someone tell me or point me to the place on the Net where I can read
> up on it how to get my /floppy back? Is it possible to fix this?
>
> TIA,
> damir
>
>
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>
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