CentOS - Aug 2011 - smartd and palimpsest

I notice that the smartd service is not running by default on a new
installation. But palimpsest seems to get updated statistics every so often as
when I check the statistics on a drive it says "last updated" some
number of
minutes ago.

So if smartd isn't running, where does palimpsest get its information from
and
what is updating it?

Second question, what would enabling the smartd service gain me that I don't
have right now?

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At Thu, 11 Aug 2011 17:57:59 -0600 CentOS mailing list <centos at
centos.org> wrote:
> 
> I notice that the smartd service is not running by default on a new
> installation. But palimpsest seems to get updated statistics every so often
as
> when I check the statistics on a drive it says "last updated"
some number of
> minutes ago.
> 
> So if smartd isn't running, where does palimpsest get its information
from and
> what is updating it?
> 
> Second question, what would enabling the smartd service gain me that I
don't
> have right now?
Almost all modern disk are S.M.A.R.T capable.  What this means is that
various information about the disk, mostly relating to its health can be
monitored.  This includes things like sector errors.  If smartd is
running root will get E-Mail if/when something (however minor) happens
to the disk.
> 
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