Linux file server

[Mark Musone]

Actually, WHEN the system fails, not if.

We tell people theres two kinds of drives in the world:

Drives that are Dead.
Drives that are Dying.


-Mark


>It becomes apparent when your database starts getting hit by larger
numbers >of
>requests.  PHP doesn't hit the disks unless it's doing I/O, so it
wouldn't
>affect disk performance.  MySQL would possibly affect performance if
>queries
>were all over the place and there were a lot of them.  If everyone is
>getting
>the same sets of data, MySQL caches the info and doesn't hit the disks.
>
>Some of the places that you'd start seeing the performance difference a
lot >are
>large Email servers, database servers with moderate to high load and
file
>servers that are being hit by concurrent users.  Also, remember the
>reliability
>factor.  SCSI drives tend to be more reliable than IDE (another factor
in >the
>cost difference) so if the data is valuable, it's a thing to think
about.
>
>In general, when assessing a system, I ask the question: "How much will
it >cost
>if we lose this system?"  I use that number as a justification for the
>costs of
>reliability and disaster preparedness.
>
>Hope this helps...

>Cheers!

Bob

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