Re: Create file system on a shared disk
Date: Fri, 22 Feb 2008 21:28:13 -0800
>> No: One big LUN is a bottleneck.
>> Daniel A. Morgan
>> Oracle Ace Director & Instructor
>> University of Washington
>> damor..._at_x.washington.edu (replace x with u to respond)
>> Puget Sound Oracle Users Groupwww.psoug.org
> > Say we all our disks are 146G. If we have big LUN, we spread the file > into more disks, it should have advantage in terms of performance, > will it?
It should have an advantage over not striping but it is far from optimal and will be slower than had it been done correctly with multiple LUNS.
Forcing traffic to and from your datafiles to compete with traffic to and from the undo tablespace, the FRA, etc. is far from optimal.
-- Daniel A. Morgan Oracle Ace Director & Instructor University of Washington damorgan_at_x.washington.edu (replace x with u to respond) Puget Sound Oracle Users Group www.psoug.orgReceived on Fri Feb 22 2008 - 23:28:13 CST