Eric Blake wrote: > 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 Using a device path in /dev/disk/by-id/ would make more sense than specifying /dev/sdX if you're concerned about hitting the wrong disk. -jim -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list