I have recently built a mini home system, raidz2, with five 3TB drives resulting in about 7TB ZFS pool. I have added a sixth drive as a spare. The cabinet has room for eight drives. Does the forum have a recommendation for the number or ratio of spare drives? If experience says zero, then...

Hi I'm new here and I'm looking forward to build my first NAS Build. I'm planning on a 2 X 4 TB WD reds in raid 1 and a 128 gb SSD. The build is for a home server to store my movies and RAW pictures. I want to access it on the go 24/7. I was thinking of using a used parts. Cpu: Xeon E5 -...