[rrd-users] Inquiring on how to ease disk io (linux).

[Bernard Li]

Hi Tobi:

On Wed, Jun 25, 2008 at 4:14 AM, Tobias Oetiker <tobi at oetiker.ch> wrote:

> We have just successfully integrated a ssd disk into our ext3
> filesystem to house the journal. The performance gain for write
> heavy applications was about 100%, but the biggy was that the
> responsivness of all the system became much better even under heavy
> writing load, I would assume that this could help a rrd setup as
> well ...
>
> http://insights.oetiker.ch/linux/external-journal-on-ssd.html

Isn't it somewhat risky to put the journal of a RAID on a single SSD?
What if the SSD fails, wouldn't that cause data corruption?

Cheers,

Bernard