Hi,
hdparm -r1 /dev/sda
works and I get this output when I read back the information with
plain '-r'
$ sudo hdparm -r /dev/sda
/dev/sda:
readonly = 1 (on)
Does this make it really read-only ?
My harddisk is having a PV and then a VG ... LV which if i mount, still
is able to write to it ? [ VG activation is successful ]
(dont know if 'write' means really write a large file but I checked
using touch command and I am still able to create the file)
My kernel is 2.6.21.1
Is there anything I am missing here ?
Ron Johnson wrote:
<div class="moz-text-flowed" style="font-family: -moz-fixed">On 12/20/08
12:32, Bhasker C V wrote:
Hi all,
I have a server where there is a USB SCSI disk with lots of important
data.
The only problem is accidentally people try to understand some other
similar ide-scsi disk (sdb may be) as the
first one (sda) and delete data.
I was going to find out if there is any method so that I can make a
disk (a particular device) read-only. i.e in case
I insert this disk with very important data, I must be able to make
this disk (may be scanned as sdX) as readonly
so that people are only able to see the partition, mount it and use it
ratherthan try to accidentally delete data which
will result in disk reporting it as read-only
[ PS: I am not referring a workaround of mouting a partition read-only
which can still help, but i want the whole disk
to be made read-only ]
# hdparm -r
You might have to crack open the USB enclosure and physically install
the drive in a PC in order for this to work.
--
Bhasker C V
Registered Linux user: #306349 (counter.li.org)
The box said "Requires Windows 95, NT, or better", so I installed Linux.
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