External parity drive?
Tell me if this sounds ridiculous but i'm becoming paranoid about only having single parity against my array of 4x8TBs. Unfortunately i have no spare slots available and i need to migrate stuff off the array if i'm ever going to go dual parity. But, moving stuff with just one parity drive seems like an accident waiting to happen as far as i'm concerned. So ... is it possible to hook anything up externally which will 'act' as second parity and will then move into the array once i've achieved t
One of my servers is built using an HP Microserver Gen 8. It has two parity disks and two data disks in the built-in bays, and four more data disks connected via eSATA. Additionally, I have a two SSD cache pool and a Blu-ray drive inside the main case. The external disks are housed in an ICYCube. The Blu-ray drive is connected to the built-in optical drive port. I chose an expansion card that supports eSATA at 6 Gb/s because I knew that link would be a bottleneck. There are several variations on