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I just got a new (used) Mac Pro with an Apple raid card and 2 300GB 10k hard drives. I want to setup the 2 10k's in raid 0, but have a raid + 1 using two other drives (2 500gb 7200) to give me a 600GB raid 0+1 array using the 4 disks
My question is: Will using the slower (and bigger) drives for the mirrored part slow down the fast access given by the 2 10k drives? I figured that the mirrored drive is for writes only and that the internal write cache would handle it, but I am not sure.
EDIT
All 4 drives are SATA
2x300GB Western Digital Velociraptor 10,000 RPM drives
2x500GB Hitachi Deskstar 7200 RPM Drives
Are those 300gb drives SAS drives? and the larger ones you want to add on are SATA drives? – Troggy – 2009-10-19T19:14:32.910
I have edited the question with the answer to your question – coneybeare – 2009-10-19T19:19:00.733