[CentOS] RAID hard drive serial numbers?

Joshua Baker-LePain jlb17 at duke.edu
Tue Jul 17 13:00:56 UTC 2007

On Tue, 17 Jul 2007 at 7:41am, Chris Mauritz wrote

> Tim Verhoeven wrote:

>> Since you are using HW RAID the tools you mentioned cannot be used to
>> get the HD serial numbers. This is because the RAID controllers
>> completely hides the physical disks from the OS. You would need tools
>> for the RAID controller itself, those should be able to get the info
>> you need.
> That is my understanding as well.  I just scoured a system with a 3Ware 9550 
> and tried to get physical device information without using any of the 3ware 
> tools.  I was unable to get ANY information about the actual disks other than 
> the size of the array/device being reported by the RAID card.

Actually, with 3ware, smartctl *can* see through the adapter to the disks 
behind it.  E.g. (on a 9650):

[jlb@$HOST jlb]$ sudo smartctl -i -d 3ware,0 /dev/twa0
smartctl version 5.36 [x86_64-redhat-linux-gnu] Copyright (C) 2002-6 Bruce Allen
Home page is http://smartmontools.sourceforge.net/

Device Model:     WDC WD740ADFD-00NLR1
Serial Number:    WD-WMANS1403676
Firmware Version: 20.07P20
User Capacity:    74,355,769,344 bytes
Device is:        Not in smartctl database [for details use: -P showall]
ATA Version is:   7
ATA Standard is:  Not recognized. Minor revision code: 0x1d
Local Time is:    Tue Jul 17 09:00:13 2007 EDT
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

'man smartctl' has all the details.

Joshua Baker-LePain
Department of Biomedical Engineering
Duke University

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