From: Caparroso, Nelson T. (AAS) (Nelson.T.Caparroso@sbcdo.com)
Date: Mon Jun 03 2002 - 14:43:40 EDT
With the exception of redo logs and the like which must be on separate
filesystems, has there been any changes lately in best practices for DB
store? I know I've asked this question long ago when large storage was 1 TB
and cache for Storage Subsystems maxed at 4 Gb and all we have was SCSI, but
I'd like to pose this question again:
Array: Hitech Array (brand purposedly "masked" but you know what I
am referring to..)
Architecture: ALL Fibre-Switched
Cache: 32 Gb
Num Channels: 8 x 2 GBPS
LUNS: 80 x 10GB (RAID5 Luns)
Vol. Mgmt: Veritas Volume Manager
Case 1:
10 x 80 GB Filesystem
Each 80 GB Mount Point is a Stripe 8-way accross 8-channels/controllers
accross 8 - 10GB Luns
Case 2:
1 x 800 GB Filesystem that is an 8-way Stripe accross 8-channels/controllers
8 x 10GB LUNs
Performance-wise, would case 2 be any faster than Case 1? Any issues with
Case 2 that anyone in the list care to raise?
Thanks.
NELSON
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