RE: [OT] HOWTO's of messing up Linux cluster?

Not enough info to even hazard a guess.

I would suggest a level 8 trace is in order.

--
Ron Reidy
Lead DBA
Array BioPharma, Inc.


-----Original Message-----
From:	oracle-l-bounce_at_freelists.org on behalf of Branimir Petrovic
Sent:	Sat 11/20/2004 4:30 PM
To:	'oracle-l_at_freelists.org'
Cc:=09
Subject:	[OT]  HOWTO's of messing up Linux cluster?
Situation:
   Early stages of development project; same small database runs on=20
   development PCs, early build is given to customer for "look and
   feel" and training purposes.

Sad facts:=20
   "PC Vulgaris" (P4 @ 2.8 GHz with _one_ IDE drive running WinXP)=20
   /w Oracle 9.2 db outperforms by factor of FIVE (meaning exact same=20
   batch jobs run at least 5 TIMES FASTER!!!???) two node Oracle 9.2=20
   cluster on Linux (RH AS3). Beats it by huge margin it every single
   time.=20

   Hardware at customer's site is 6 month old (implying relatively=20
   new hardware) 2 P4-Xeon CPUs server forming two node Oracle 9.2=20
   cluster connected to dedicated (this cluster only, dedicated
   to this project only) SAN (with unknown number of drives).=20

Question:
   If you were really incompetent SA/DBA what would be easy ways
   to duplicate the above requirement? (achieve five times=20
   worse performance using much "stronger" hardware)



>From whatever little I know of ways problematic database is set

up and configured, I'd say it is not the Oracle that is messed up,=20
but the underlying OS.=20

Being at arms length from the problem (due to mountains of political=20
bs. - "us" vs. "them"), and quite frankly due to my own shortcomings=20
with Unix/Linux, I am in no position to help in any meaningful way.=20
Still curiosity factor is strong - what could possibly be so wrong
with this RAC?=20

Wild guesses - welcomed :-)

Branimir
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