Marie, there is a thread going on this Oracle list about disk subsystem speed, I am going to forward a couple of the responses to you. I think that it is reiterating that we need to have raid 0+1 in our PROD environment.
>>> [EMAIL PROTECTED] 04/10/02 01:06PM >>> James Howerton wrote: > > John, > > We have the Hitachi 5800 series with RAID 5. The sales guys also said > their system is > "soooo fast we need not worry about such minor details". Don't believe > them!!! Write speed is "SLOW". After we added bare drives for redo log > files, archive logs, & conrtol files it made a dramatic difference in DB > performance. Hitachi & some Sa's don't want to set up RAID 1+0 because > it makes more work for them than a RAID 5 install. Within the last month our development box was switched from RAID-1 to RAID-5 because additional disk capacity was required. The big data load job almost doubled in time from 150 minutes to 270 minutes due to the double writes incurred by RAID-5 overhead. -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Charlie Mengler INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (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: CHRIS FARMER INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (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).
