Re: 2 hardisks with same size shows big difference in LifeTime during smartctl self test

[Siju George <sgeorge.ml@gmail.com>]

On Tue, Jun 22, 2010 at 4:42 PM, Camaleón <noelamac@gmail.com> wrote:?
>
> 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"?
>

no the first one is old ( sda ) the second one is new ( sdb)

> 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.
>

srv1:~# smartctl -A /dev/sda |grep "Power_On_Hours"
  9 Power_On_Hours          0x0032   100   100   000    Old_age
Always       -       591
srv1:~# smartctl -A /dev/sdb |grep "Power_On_Hours"
  9 Power_On_Hours          0x0032   100   100   000    Old_age
Always       -       75


but I got the reason. One os new :-)

thanks

--Siju