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Technology Stocks : EMC How high can it go? -- Ignore unavailable to you. Want to Upgrade?


To: pirate_200 who wrote (12195)2/14/2001 5:57:18 PM
From: Gus  Read Replies (1) | Respond to of 17183
 
You are really confused now and just going around in circles. LOL.

1) Mirroring protection or RAID 1 is NOT parity-based protection. RAID 1 provides 100% redundancy and maximum protection. Parity-based RAID does not, I repeat, DOES NOT provide 100% redundancy and DOES NOT provide the same type of protection as RAID 1.

2) Striping is RAID 0 so it's not, as you stubbornly insist,RAID off. RAID 0 is the only RAID level that does not provide any redundancy because it is used for specific bandwidth-intensive applications so it is the best way to measure raw speed and probably why EMC benchmarks with RAID 0.

3) Most customers buy RAID boxes configured with multiple RAID levels involving trade-offs between protection and speed. Learn to think for yourself by checking the RAID products of other vendors.

4) More importantly, your favorite benchmark only measures one dimension: speed which is curious since NAS depends heavily on the availability of the ethernet LAN for its REAL-WORLD performance. You are avoiding the larger issue of why NTAP can't get its box certified for disaster-tolerance and fault-tolerance.

As a matter of courtesy, you should read those basic RAID concepts before you insist on posting otherwise you risk appearing even more of a fool than you already are. No more questions for you until you get the fundamental concepts right, y'hear? And learn to think for yourself, damnit! You're just repeating jargon that you don't even understand. LOL.