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Dual RAID Cache?

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Thomas Morter-Laing
Dual RAID Cache?
on Mar 22, 2011 at 1:37:06 pm

If I have a dual drive RAID0 over firewire800, is it a bad idea to have two identical sized drives, both of the same brand, but with different cache sizes? (one 32mb one 16mb?)

Tom Morter-Laing
Freelance Editor,
Certified Apple Product Proffessional, 2010

Sony Z5, with Rode NTG2.
iMac 27" intel i7 2.93GHz, 12GB RAM, ATI HD5750 [1GB GDDR5], 2TB Int. SATA with 2TB External HDD; (FW800), with Elgato Turbo H264HD.

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Ricardo Reyes
Re: Dual RAID Cache?
on Mar 22, 2011 at 4:34:39 pm

Although it is always recomended to use the same specification drive when creating a RAID array, using different drives will result in only operating as fast as the slowest drive. Would it be a bad idea?...In your case, Not at all. Since your only using 2 drives in RAID 0, the different cache just doesn't make a difference. Drive cache would be more important perhaps in a very large server/storage envronment with more IO requests.

Ricardo Reyes
Areca Technologies - US Channel
CineRAID Systems

***** RAID, no matter how redundant, is not a substitute for proper and regular backups *****

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