Hi Vivek, >From performance point of view a single disk will be a little faster as there is a small overhead associated with the process of mirroring to the second member of the RAID1.
Regards, Ed > EXCERPT from "Implementing Raid On Oracle Systems" by Gaja Krishna > Vaidyanatha, Quest Software Inc. :- > "RAID 1 - Ideal for online and archived redo logs, Leaves the write-head > at the location of the last write. On most systems, you will need 3 > volumes for the online redo logs (for 3 groups) and 1 volume for the > archived redo logs. If your database is in NOARCHIVELOG mode, you > probably can get away with a single RAID 1 volume for your redo-logs. > However, for databases in ARCHIVELOG mode you will need to further > separate you" > Qs. Puttting an Online Redo log on a RAID1 Volume ( Volume Containing 1 > Disk Mirrored to Another Disk ) versus putting the Same Online redo file > on a Single Disk (NON-Mirrored) , which would give Better performance , > Why ? > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.com > -- > Author: VIVEK_SHARMA > 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: Edward Shevtsov 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).
