On Thu, Oct 03, 2019 at 07:30:19AM +0200, Pascal Hambourg wrote:
[...]
> On the contrary. The usb-storage module has a parameter "quirks"
> which allows to ignore the write-protect flag for a specific vid:pid
> device (I do not remember the exact syntax). I was afraid that it
> could be used to
Le 03/10/2019 à 05:05, David Christensen a écrit :
On 10/1/19 11:51 PM, to...@tuxteam.de wrote:
Yep. Never forget -- there's a whole computer with its own OS in
your flash drive. That "write protect" (sometimes) available as a
physical switch is just communicated to your drivers via some
On 10/1/19 11:51 PM, to...@tuxteam.de wrote:
Yep. Never forget -- there's a whole computer with its own OS in
your flash drive. That "write protect" (sometimes) available as a
physical switch is just communicated to your drivers via some
protocol over USB.
I have two such drives, both old and
On Wed 02 Oct 2019 at 10:06:21 (-0400), Ken Heard wrote:
> On 2019-10-01 11:03 p.m., David Christensen wrote:
>
> > I have read that some USB flash drives will revert to read-only
> > mode when they detect an internal error.
>
> Makes sense I suppose, but in a negative way. I did not know that
>
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On 2019-10-02 2:51 a.m., to...@tuxteam.de wrote, in part:
> Yep. Never forget -- there's a whole computer with its own OS in
> your flash drive. That "write protect" (sometimes) available as a
> physical switch is just communicated to your drivers
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On 2019-10-01 11:03 p.m., David Christensen wrote:
> I have read that some USB flash drives will revert to read-only
> mode when they detect an internal error.
Makes sense I suppose, but in a negative way. I did not know that
flash drives (some?
On Tue, Oct 01, 2019 at 08:03:50PM -0700, David Christensen wrote:
[...]
> >How could this drive be physically protected from writing to it when
> >there is no switch on the drive itself to unable (or release) such
> >physical protection?
> >
> >Regards, Ken
>
> I have read that some USB flash
On 10/1/19 4:32 PM, Ken Heard wrote:
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On 2019-10-01 5:33 p.m., Pascal Hambourg wrote:
Le 01/10/2019 à 23:09, Ken Heard a écrit :
- - after unmounting and closing encryption running as root
'wipefs -a -f /dev/sdd' returns 'wipefs: error: /dev/sdd:
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On 2019-10-01 5:33 p.m., Pascal Hambourg wrote:
> Le 01/10/2019 à 23:09, Ken Heard a écrit :
>>
>> - - after unmounting and closing encryption running as root
>> 'wipefs -a -f /dev/sdd' returns 'wipefs: error: /dev/sdd: probing
>> initialization
Le 01/10/2019 à 23:09, Ken Heard a écrit :
- - after unmounting and closing encryption running as root 'wipefs -a -f
/dev/sdd' returns 'wipefs: error: /dev/sdd: probing initialization
failed: Read-only file system'.
The USB flash drive is probably physically write-protected.
Check the
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Messieurs et mesdames:
Command 'mount' returns among other things the following two lines:
/dev/mapper/fde on /media/fde type ext2\
(rw,nosuid,nodev,noexec,noatime,block_validity,barrier,user_xattr,acl)
/dev/mapper/fdc on /media/fdc type ext2\
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