First Rackmount Build - Questions
I am trying to put together a 1U server, and this is the first time I've had to deal with the space constraints of a rackmount server.
I am toying with a RAID 10 setup, which requires 4 drives, so I am looking at 2.5" enterprise drives so that I can fit 4 into a 1U rack. The problem is I was on newegg and don't see any cases with 2.5" bays. Are there kits that convert 3.5" bays to 2x2.5" or something of this nature? Furthermore, I see here:http://www.newegg.com/Product/Produc...82E16822136260
that the 2.5" drive is inside a 3.5" brick. Can this be taken out of the mount? I don't see the point in paying extra for a 2.5" drive that only fits in a 3.5" slot.
I have read that in a 4-drive array, RAID 10 outperforms RAID 5. This seems counterintuitive to me because in RAID 5 there is essentially striping across 3 drives, and then parity on the 4th, whereas in 10, you would only have striping across 2 drives. Is this just because of the calculations involved in generating the parity?