Am 2007-11-07 13:42:57, schrieb Haines Brown:
> I have a SamDisk USB-key filled with photos (.png) which I used for a
> slide show. I now would like to delete them, but whenever the device
> is rebooted, the files reappear.
>
> $ ls -la /media/usb-key
> rwxr-xr-x file.png /brownh/bro
Haines Brown wrote:
(...)
3. Decide whether the problem is within a partition or at the level of
the partition table by zeroing the partition. Unmount the device
and do (example assumes the device interface is /dev/sdd):
# cat /dev/zero > /dev/sdd1
or
# dd if=/dev/zer
People have been very generous of their time. I've concluded the
USB-key is physically shot, for I have no problems with other keys.
I'd like to summarize the troubleshooting procedure for correction or
to benefit lurkers.
1. The first step is to verify that the USB bus can actually see the
d
Haines Brown wrote:
I didn't realize you ran these commands on a partition rather than
the device, but in any case, after doing it and mouting, the files
remain.
You always have to care where your filesystem resides. Usually
(practically always) physical devices have a partition table on
"Douglas A. Tutty" <[EMAIL PROTECTED]> writes:
> Again note that you used /dev/sdd not /dev/sdd1
# dosfsck /dev/sdd1
dosfsck 2.11, 12 Mar 2005, FAT32, LFN
/dev/sdd1: 168 files, 75979/124860 clusters
# mkdosfs /dev/sdd1
mkdosfs 2.11 (12 Mar 2005)
#
On Fri, Nov 09, 2007 at 02:49:06AM +0100, Christian Jaeger wrote:
> To check whether I should feel guilty giving that advice, I've checked
> my listed procedure with my own usb stick. It survived it without any
> problem and with the expected results: overwriting /dev/sda (in my case
> it's sd
Haines Brown wrote:
When I try:
$ lsusb -v -D /dev/sdd
Cannot open /dev/sdd
That doesn't mean anything, I'm getting the same with my perfectly
working usb stick.
When I plug in the usb-key, the kernel log sayw:
Nov 8 16:41:21 teufel kernel:
usb 1-2.2:
Haines Brown wrote:
Christian Jaeger <[EMAIL PROTECTED]> writes:
For making really sure you get to a clean state, I'd use this
sequence (not tested as typed, but should work; unlike the previous
suggestion of writing one sector with dd, this wipes the whole
stick, so really make sure that this
On Thu, Nov 08, 2007 at 11:34:40AM -0500, Haines Brown wrote:
> $ df /media/usb-key
> Filesystem 1K-blocks Used Available Use% Mounted on
> /dev/sdd1 499440303916195524 61% /media/usb-key
>
> I agree that it seems to be file system corruption, but dosfsck
Christian Jaeger <[EMAIL PROTECTED]> writes:
> For making really sure you get to a clean state, I'd use this
> sequence (not tested as typed, but should work; unlike the previous
> suggestion of writing one sector with dd, this wipes the whole
> stick, so really make sure that this is ok for you a
Haines Brown wrote:
$ df /media/usb-key
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sdd1 499440303916195524 61% /media/usb-key
Above you're using /dev/sdd1
# dosfsck /dev/sdd
Here you're using /dev/sdd (not the partition 1).
# mkdo
>
> Post the actual output of 'ls -la'. Also the output of 'df
> /media/usb-key' with the device mounted would help
>
$ ls -la /media/usb-key
drwxr-xr-x 2 brownh brownh20480 Dec 31 1969 .
drwxr-xr-x 8 root root 4096 Jul 17 15:16 ..
-rwxr-xr-x 1 brownh brownh 1071529 Aug 14 14:35 B
"Douglas A. Tutty" <[EMAIL PROTECTED]> writes:
> n Wed, Nov 07, 2007 at 09:22:54PM -0500, Haines Brown wrote:
>
> What device are we talking about: What device and what partition on the
> device?
>
> > # dd if=/dev/zero of=/sdd bs=512 count=1
>
> Note that this is /sdd (this is a
Raj Kiran Grandhi <[EMAIL PROTECTED]> writes:
> Haines Brown wrote:
> > Kiran,
> > Thanks for the help. I should emphazie that my promblem is not
> > mounting the usb-key drive, but only deleting the files on it. I can
> > copy those files, but not delete or modify them. However, if I add a
> > te
On Wed, Nov 07, 2007 at 09:22:54PM -0500, Haines Brown wrote:
What device are we talking about: What device and what partition on the
device?
> # dd if=/dev/zero of=/sdd bs=512 count=1
> 1+0 records in
> 1+0 records out
> 512 bytes (512 B) copied, 0.00394563 sec
Haines Brown wrote:
Kiran,
Thanks for the help. I should emphazie that my promblem is not
mounting the usb-key drive, but only deleting the files on it. I can
copy those files, but not delete or modify them. However, if I add a
test file, I can readily delete it.
I suspect I damanged the file s
Kiran,
Thanks for the help. I should emphazie that my promblem is not
mounting the usb-key drive, but only deleting the files on it. I can
copy those files, but not delete or modify them. However, if I add a
test file, I can readily delete it.
I suspect I damanged the file system by removing the
Haines Brown wrote:
I have a SamDisk USB-key filled with photos (.png) which I used for a
slide show. I now would like to delete them, but whenever the device
is rebooted, the files reappear.
$ ls -la /media/usb-key
rwxr-xr-x file.png /brownh/brownh
Post the actual output of
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