vfat iPod suddenly fails to write [was: Re: [solved] Re: mounting iPod with USB]
From: Nori Heikkinen (nori_at_sccs.swarthmore.edu)
Date: Tue, 28 Sep 2004 12:43:03 -0400 To: Erik Steffl <email@example.com>
on Tue, 28 Sep 2004 09:02:31AM -0700, Erik Steffl insinuated:
> Nori Heikkinen wrote:
> >/dev/sda /mnt/ipod hfsplus rw,user,noauto,noatime 0 0
> >), /var/log/syslog gives the error:
> >Sep 27 16:12:48 homeruns kernel: HFS+-fs warning: Filesystem was not
> >cleanly unmounted, running fsck.hfsplus is recommended. mounting
> >and then it mounts it read-only, like it says.
> can't you force it to remount rw?
you mean, like, remount -o rw,remount /dev/sda2 (or whatever device)?
-- no, i can't. tried that; should have said.
> That can often be one with regular HDs. Why don't you run fsck on
> it? is there no fsck.hfsplus? apt-file didn't find it...
yeah, i couldn't find one.
> there is a way to set the number of mounts after which it requires
> fsck, can't you set it to higher number?
hm, probably ... but now i converted it to vfat.
> for regular HDs I see different message if they exceed the mount
> count (it says something to that effect), maybe your iPod really was
> unmounted improperly.
it's entirely possible.
> >homeruns:~# hpmount /dev/sda /mnt/ipod hpmount: /dev/sda: Neither
> >Wrapper nor native HFS+ volume header found (Unknown error
> >which is just wack, afaict, seeing as it was mounting happily with
> >`mount -t hfsplus` up until 32 mounts (and still does, just r-o).
> why are you mounting sda? generally you don't mount the disk but a
> partition (that has a filesystem), on my iPod (bought august 2003)
> the sda3 is the one to mount.
on mine, it's /dev/sda2 ...
> I use firewire but that shouldn't make any difference.
apparently the hfsplus tools figure out which partition on the device
given has the data you want for you -- magic! so, that's legit when i
mount with -t hfsplus, but not when i do it with -t vfat.
now, i'm getting a weird problem, however. after dumping about 200
songs on my newly-vfat'd iPod, i tried to add another batch, and
gtkpod crashed, and my kernel told me:
Sep 28 12:14:44 homeruns kernel: FAT: unable to read inode block for
updating (i_pos 1219121)<3>FAT: Directory bread(block 76088) failed
Sep 28 12:14:44 homeruns kernel: FAT: Directory bread(block 76089)
Sep 28 12:14:44 homeruns kernel: FAT: Directory bread(block 76090)
Sep 28 12:14:44 homeruns kernel: FAT: Directory bread(block 76091)
and so on, for about 100 lines.
now i can't mount it. i get the error:
mount: /dev/sda2 is not a valid block device
when i try. when this happened the first time, i tried rebooting (i
know, bad linux user! shouldn't need to reboot), and that solved the
problem until it happened agin.
i'm going to try this on a friend's mac tonight, but what's up? do i
have a lemon? why is the filesystem suddenly ceasing to be
-- .~. nori @ sccs.swarthmore.edu /V\ http://www.sccs.swarthmore.edu/~nori // \\ @ maenad.net /( )\ www.maenad.net/jnl ^`~'^ ++ Sponsor me as I run my SECOND marathon for AIDS: ++ ++ http://www.aidsmarathon.com/participant.asp?runner=DC-2844 ++
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