On Tue, 22 Jun 2010 14:49:02 +0530, Siju George wrote:

> I have 2 HDDS on RAID1

(...)

> I ran
> 
> smartctl -t long          on both the hard disks.
> 
> now when I take the log

(...)

> # 1  Extended offline    Self-test routine in progress 90%       576    
>     -

> # 1  Extended offline    Self-test routine in progress 90%        60    
>     -

(...)

> why is the life time of sda around *10* times that of sdb ?

Mmm... as per "man smartctl", LifeTime(hours) is "(sic) The time at which 
the test took place, measured in hours of disk lifetime".

Are both disks "brand new" and "equals" (same manufacturer, same 
version), not just "same size"?

If yes, compare the output of "smartctl -A /dev/sd[ab]" and look for 
"Power On Hours" values. These, being a raid1, should be similar.

Greetings,

-- 
Camaleón


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