On Tue, 2008-01-29 at 02:01 +0000, Tom Bamford wrote: > Andrew Jenkins wrote: > > Daniel Davies wrote: > > > > > Andrew Jenkins wrote: > > > > > > > > > > <div class="moz-text-flowed" style="font-family: -moz-fixed">I've > > > > recently been playing with a NAS drive. To set > > > > it up I had it connected as an external USB drive. > > > > All was going well, fdisk, mkfs, etc. and I moved a > > > > couple of Gb of files to it. > > > > > > > > After I disconnected it and plugged it back into my > > > > machine it suddenly decided to be a read-only file > > > > system. I remember a pen-drive of mine doing the > > > > same thing and I ended up having to redo the mkfs to > > > > cure it. This isn't a problem with a 512Mb pen > > > > drive but with a 500Gb drive with over 100Gb of files > > > > already on there it's not really an option. > > > > > > > > Any other answers? I'm using Ubuntu 7.10 (Gnome). > > > > > > > > Andy Jenkins. > > > > > > > > > > > > </div> > > > > > > > > > > > This could be to do with unmounting. Did you unmount the drives properly > > > before disconnecting them? > > > Right click; Unmount device or Eject. > > > Daniel Davies > > > > > > > > > > > I'm pretty certain I did but then we all make mistakes. If that's what > > caused it how > > do I put it right (without a reformat that is)? > > > > Andy. > > > > > > What type of filesystem is on the disk? Running an fsck on the > filesystem may cure the problem (an ext3 or reiser filesystem may have > a corrupt/unclean journal which can be fixed at the possible cost of > the last few files written to it). Moreso with larger drives, I've > found that unmounting takes a long time when there are lots of > unwritten data pending, if you don't allow it to complete the effects > can be devastating. > > Regards, > Tom > Hear, hear... I find that when my usb drives go read-only, it's either nautilus playing up or a small corruption on the drive. In the first case I do `killall nautilus`, in the second I unmount the drive and then do `fsck /dev/sdb1 -a` where sdb1 points to the read-only partition
Regards, Josh -- My PGP public key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x3E4E0E21
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