RE: BINARIES - San or Local Storage
- From: "Gogala, Mladen" <Mladen.Gogala@xxxxxxxx>
- To: "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 27 Aug 2004 11:06:39 -0400
> -----Original Message-----
> From: Loughmiller, Greg [mailto:greg.loughmiller@xxxxxxxxxxxx]
> Sent: Friday, August 27, 2004 7:59 AM
> To: 'oracle-l@xxxxxxxxxxxxx'
> Subject: RE: BINARIES - San or Local Storage
>
>
> I have read this thread, and haven't seen any one mention
> hardware clustering and your file systems.
I believe that the state of the onion is such that
clustered file systems like VxFS and OCFS still do
not provide the same performance as raw devices. I have
had my share of troubles trying to breathe life into
Linux cluster with OCFS, and performance was not in the
least bit exhilarating. I had to re-install my Linux box
3 times. I haven't seen VxFS in action, but from this group
I gather that there are significant constraints on that.
Wherever I've been, RAC or OPS was done with raw devices.
Did anyone on this list actually measure the performance
of VxFS and raw devices? My impression is still that cluster
file systems are very much like GMO food: it looks appealing on
the surface but can be detrimental to your health.
--
Mladen Gogala
A & E TV Network
Ext. 1216
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