On 05/05/2010 01:31 PM, Jim Meyering wrote: >> Can we provide the option to specify the device serial number so that >> it's really impossible to trash the wrong device? > > Given that this is a good idea, next question is obviously > how to get the serial number. One way seems to be via hdparm, > e.g., hdparm -i /dev/sda > > /dev/sda: > > Model=ST3320620AS, FwRev=3.AAK, SerialNo=9QF6ET0H
Great for SCSI, not so great for USB sticks: # hdparm -i /dev/sdb /dev/sdb: HDIO_DRIVE_CMD(identify) failed: Invalid exchange HDIO_GET_IDENTITY failed: Invalid argument # echo $? 22 -- Eric Blake ebl...@redhat.com +1-801-349-2682 Libvirt virtualization library http://libvirt.org
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