Never enough hard drive space.
Working in replacing the older 2TB drives with 6TB He drives. Certainly doesn't help having the symmetric 1Gb fiber connection.
System Overview
unRAID system: unRAID server Pro, version 6.6.5
Motherboard: Supermicro - X9DR3-F
Processor: Intel® Xeon® CPU E5-2665 0 @ 2.40GHz X 2
Memory: 128 GB
Parity: Dual HGST_HUH728080ALE604 8TB
Data: Various 2TB, 3TB, 5TB, 6TB HDD - HGST and WDC
Cache Pool: Samsung_SSD_860_EVO_500GB and Samsung_SSD_850_EVO_250GB
Flash: Cruzer_Fit - 16 GB
Rosewill 25U Server Rack (RSR-4P25U001)
TP-Link Archer C2600
D-Link 24-Port EasySmart Gigabit Ethernet Switch (DGS-1100-24)
Tripp Lite 24-Port 1U Rackmount Cat6 110 Patch Panel (N252-024)
Rosewill 4U Server Chassis(RSV-L4500) w/ LSI SAS9201-16E SAS Controller
NORCO DS-12D 2U Enclosure connected with 3 x SFF-8088 cables
APC SUA2200R2X180 Smart-UPS 2200VA 1980W 120V