Re: [libvirt] [TCK PATCH] block devices: allow specification of size for safety
On Wed, May 05, 2010 at 02:49:44PM -0600, Eric Blake wrote:
On 05/05/2010 02:48 PM, Dave Allan wrote:
>>
>> Great for SCSI, not so great for USB sticks:
>>
>> # hdparm -i /dev/sdb
>
> What does the following give you?
>
> scsi_id --whitelisted --replace-whitespace --device=/dev/sdb
# scsi_id --whitelisted --replace-whitespace --device=/dev/sdb
# echo $?
1
Not a peep on stderr (for shame).
Ok, looks like that device doesn't return a serial number. For
devices that do have serials, especially when there are lots of nearly
identical disks on a system, it'd be really helpful.
Dave