USB Memory stick (more info)
Robin Laing
Robin.Laing at drdc-rddc.gc.ca
Wed Sep 27 21:55:41 UTC 2006
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.
--
Robin Laing
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