Re: USB Memory stick (more info)

["M.Lewis" <cajun@xxxxxxxxxxxx>]

Robin Laing wrote:
> M.Lewis wrote:
> > M.Lewis wrote:
> >
> > > A few days ago I copied some files to a USB Memory stick. No problem. 
> > > Now I'm needing to copy some more files to the same memory stick and 
> > > it's telling me it's a read-only file system. I had zero problems 
> > > with this the other day.
> > >
> > > mount is as follows:
> > > /dev/sda1 on /media/USB-DISK type vfat 
> > > (rw,noexec,nosuid,nodev,noatime,uid=500,utf8,shortname=lower)
> > >
> > > It should be writeable.
> > >
> > > Thanks for any pointers.
> > > Mike
> >
> > A quick look at the logs shows apparently problems with the drive. Do 
> > I need to reformat it or what? It still has the default WinBlows setup 
> > on it.
> >
> > Sep 26 23:00:03 moe kernel:   Vendor: SanDisk   Model: Cruzer Titanium 
> >  Rev: 2000
> > Sep 26 23:00:03 moe kernel:   Type:   Direct-Access  ANSI SCSI 
> > revision: 00
> > Sep 26 23:00:03 moe kernel: SCSI device sdb: 1014784 512-byte hdwr 
> > sectors (520 MB)
> > Sep 26 23:00:03 moe kernel: sdb: Write Protect is off
> > Sep 26 23:00:03 moe kernel: sdb: assuming drive cache: write through
> > Sep 26 23:00:03 moe kernel: SCSI device sdb: 1014784 512-byte hdwr 
> > sectors (520 MB)
> > Sep 26 23:00:03 moe kernel: sdb: Write Protect is off
> > Sep 26 23:00:03 moe kernel: sdb: assuming drive cache: write through
> > Sep 26 23:00:03 moe kernel:  sdb: sdb1
> > Sep 26 23:00:03 moe kernel: sd 8:0:0:0: Attached scsi removable disk sdb
> > Sep 26 23:00:03 moe kernel: sd 8:0:0:0: Attached scsi generic sg0 type 0
> > Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
> > Sep 26 23:00:08 moe kernel:     fat_get_cluster: invalid cluster chain 
> > (i_pos 120595)
> > Sep 26 23:00:08 moe kernel:     File system has been set read-only
> > Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
> > Sep 26 23:00:08 moe kernel:     fat_get_cluster: invalid cluster chain 
> > (i_pos 120595)
> > Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
> > Sep 26 23:00:08 moe kernel:     fat_get_cluster: invalid cluster chain 
> > (i_pos 120595)
> > Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
> > Sep 26 23:00:08 moe kernel:     fat_get_cluster: invalid cluster chain 
> > (i_pos 120595)
> > Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
> > Sep 26 23:00:08 moe kernel:     fat_get_cluster: invalid cluster chain 
> > (i_pos 120595)
> > Sep 26 23:00:08 moe kernel: FAT: Filesystem panic (dev sdb1)
>
>
> Just a thought.
>
> How big were the files you were copying.  There is an issue open for 
> problems in syncing the drive and the icon disappearing before the drive 
> is safe to unmount.  I toasted a file system when transferring ~300M.
>
> Once by accident and twice to recreate the problem to prove it.

No, these were 12 or so average size .pdf files. Nothing big Robin.

Thanks!
Mike

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