====== sto3 ======
This supermicro server is ordered via ServerDirect. Original order can be found {{ :wiki:quo65292.pdf | here }}
===== hardware =====
  * intel XEON E5-2620V4 2.1GHz 2x
  * DDR43 32GB ECC 4x -> 128Gb
  * LSI MegaRaid SAS 9211 host controller
  * Seagate 6TB SAS 10x
  * Samsung 850 pro 256Gb SSD 2x
===== configuration =====
Ubuntu 16.04 LTS is installed on the /dev/md0, which contains the 2 SSD's in raid1 (software RAID). 
<code>
cat /proc/mdstat
Personalities : [raid1] [linear] [multipath] [raid0] [raid6] [raid5] [raid4] [raid10] 
md0 : active raid1 sdb1[1] sda1[0]
      234243072 blocks super 1.2 [2/2] [UU]
      bitmap: 0/2 pages [0KB], 65536KB chunk

</code>

There is a zfs pool created with 2 VDEV's in a raidz2 (can tolerate 2 drive failures) configuration, each VDEV  containing 5 disks each.
<code>
zpool status
  pool: data
 state: ONLINE
  scan: scrub repaired 0 in 0h0m with 0 errors on Sun Mar 11 00:24:02 2018
config:

        NAME        STATE     READ WRITE CKSUM
        data        ONLINE       0     0     0
          raidz2-0  ONLINE       0     0     0
            sdc     ONLINE       0     0     0
            sdd     ONLINE       0     0     0
            sde     ONLINE       0     0     0
            sdf     ONLINE       0     0     0
            sdg     ONLINE       0     0     0
          raidz2-1  ONLINE       0     0     0
            sdh     ONLINE       0     0     0
            sdi     ONLINE       0     0     0
            sdj     ONLINE       0     0     0
            sdk     ONLINE       0     0     0
            sdl     ONLINE       0     0     0

errors: No known data errors
</code>  
This gices us almost 55TB of storage capacity.
<code>
zpool list
NAME   SIZE  ALLOC   FREE  EXPANDSZ   FRAG    CAP  DEDUP  HEALTH  ALTROOT
data  54.5T  1.51T  53.0T         -     1%     2%  1.00x  ONLINE  -

</code>