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H/W RAID 5 on slower disks versus no raid on faster HDDs

From: "Rajesh Kumar Mallah(dot)" <mallah(at)trade-india(dot)com>
To: pgsql-performance(at)postgresql(dot)org, pgsql-admin(at)postgresql(dot)org
Subject: H/W RAID 5 on slower disks versus no raid on faster HDDs
Date: 2002-11-21 16:45:02
Message-ID: 200211212215.02699.mallah@trade-india.com (view raw or flat)
Thread:
Lists: pgsql-adminpgsql-performance
Hi folks,

I have two options:
3*18 GB 10,000 RPM Ultra160 Dual Channel SCSI  controller + H/W Raid 5
and 
2*36 GB 15,000 RPM Ultra320 Dual Channel SCSI and no RAID

Does anyone opinions *performance wise*  the pros and cons of above 
two options.

please take in consideration in latter case its higher RPM and better
SCSI interface. 



Regds
Mallah.




-- 
Rajesh Kumar Mallah,
Project Manager (Development)
Infocom Network Limited, New Delhi
phone: +91(11)6152172 (221) (L) ,9811255597 (M)

Visit http://www.trade-india.com ,
India's Leading B2B eMarketplace.



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