Re: sda sdb sdc confusion

[Kailash <listskailash@gmail.com>]

On Saturday 24 August 2013 06:26 PM, Daniel Bareiro wrote:
> On Saturday, 24 August 2013 16:40:16 +0500,
> Muhammad Yousuf Khan wrote:
> 
>> i have 3 HD sata 1TB , same vendor same size drives for RAID1 and remaining
>> one is for fail safe. now the question is how would i know which cable is
>> attached to which device. manually unplugging and testing, yes i can do it
>> but there could be a easy way.
>> i know there are commands like fdisk, smartctl etc. but still i can not
>> learn which drive is what.
> 
> Hi, Muhammad.
> 
> You could identify the drive serial number as follows:
> 
> # smartctl -i /dev/sdb
> 
> # hdparm -i /dev/sdb
> 
> Record the output (serial number) of either of these two commands and
> compare it with what you have written on the disks.
> 
> 
> 
> Regards,
> Daniel
> 

hdparm -i /dev/sdb | grep Serial
gets you the line directly.

Kailash