Re: Write caching controllers

As long, as "battery backup" on the controller is working, you should be fine.
On the other hand, all those controllers should have an option to turn of "write-caching", if you wish.

Igor Neyman, OCP DBA
ineyman_at_perceptron.com

• Original Message ----- To: "Multiple recipients of list ORACLE-L" <ORACLE-L_at_fatcity.com> Sent: Wednesday, October 09, 2002 9:23 AM

> Good morning all!
>
> I have a question regarding use of write-caching RAID controllers.
>
> As an NT systems/network admin of some years, and an Oracle 8i
> DBA-in-training, I had done some homework and gather that both Oracle and
> industry best-practices suggest avoiding write-caching controllers if
> possible (to preclude any chance of data loss).
>
> As a result, I had recommended we purchase dual non-caching controllers on
> the new Compaq ML530s we are about to buy.
>
> Compaq has discontinued the model controller we requested, and now all
their
> controllers include write caching (battery-backed, of course).
>
> We are running a couple of ~10GB instances, not terabyte OLTP - so should
I
> just go with it and not be so anal about the caching??
>
> Thanks and Regards,
> Brian
>
> NT 4.0 SP6a Oracle 8.1.7.4
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Richards, Brian
> INET: brichard_at_pd.state.gov
>
> Fat City Network Services -- 858-538-5051 http://www.fatcity.com
> San Diego, California -- Mailing list and web hosting services
> ---------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Igor Neyman
  INET: ineyman_at_perceptron.com

Fat City Network Services    -- 858-538-5051 http://www.fatcity.com
San Diego, California        -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).