the original order from dell can viewed here.
This is a Dell PowerEdge R330 with the following configuration:
Ubuntu 16.04 LTS is installed on md0, which is a software RAID1 of the 2 240 Gig SSD's :
cat /proc/mdstat Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10] md0 : active raid1 sda1 sdb1 224574464 blocks super 1.2 [2/2] [UU] bitmap: 1/2 pages [4KB], 65536KB chunk
The other 3 HD's are placed in a mirror to provide redundancy. A ZFS datapool is created to provide this feature.
zpool status pool: data state: ONLINE scan: scrub repaired 0 in 0h7m with 0 errors on Sun Mar 11 00:31:09 2018 config: NAME STATE READ WRITE CKSUM data ONLINE 0 0 0 mirror-0 ONLINE 0 0 0 sdc ONLINE 0 0 0 sdd ONLINE 0 0 0 sde ONLINE 0 0 0 errors: No known data errors
This provides us with 560Gb of storage, for websites, etc…
zpool list NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT data 556G 39.2G 517G - 1% 7% 1.00x ONLINE -