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**PanamaGal** · 01-07-2007, 10:13 AM

Adequate cooling does help keep a drive alive longer. But any disk is subject to mechanical failure. I don't know the actual percentages, but I would think they are not that high. In theory, RAID 0 is supposed to increase the sequential transfer rate, though not double it. However, in most real-world applications, performance gain is mostly negligible (no more than 10-15 percent gain max), certainly not enough in most apps to justify the cost of the second hard drive. Editing of music and video files will offer best chance for noticeable gain in RAID 0. Your data does become significantly more at risk with RAID 0 as failure of either drive will cause loss of all data on the entire array. You'll likely not notice any change in performance with RAID 1 versus no RAID, and little to none from RAID 0. Yes, RAID 1 is primarily a data backup tool.

01-07-2007, 10:13 AM	#2 (permalink)
PanamaGal Mentor Hardware Team Join Date: Jun 2006 Location: Panama Posts: 1,240 OS: WinXP Pro SP2; Windows Server 2003; Windows Vista Ultimate; Vista Business	Adequate cooling does help keep a drive alive longer. But any disk is subject to mechanical failure. I don't know the actual percentages, but I would think they are not that high. In theory, RAID 0 is supposed to increase the sequential transfer rate, though not double it. However, in most real-world applications, performance gain is mostly negligible (no more than 10-15 percent gain max), certainly not enough in most apps to justify the cost of the second hard drive. Editing of music and video files will offer best chance for noticeable gain in RAID 0. Your data does become significantly more at risk with RAID 0 as failure of either drive will cause loss of all data on the entire array. You'll likely not notice any change in performance with RAID 1 versus no RAID, and little to none from RAID 0. Yes, RAID 1 is primarily a data backup tool. __________________ It is hard to fail, but it is worse never to have tried to succeed.