1 xNORCO 4U Rack Mount 24 x Hot-Swappable SATA/SAS 6G Drive Bays Server Rack mount RPC-4224.Corsair Commander Pro to control the fans (see script and code) 3 xNoctua NF-F PWM (120mm) * having noted later in Stux's thread that 1500 RPM is not sufficient to cool the HDDs.2 xNoctua NF-A8 PWM Premium 80mm PC Computer Case Fan.4 x Kingston Value RAM (32GB, DDR4-2400, ECC RDIMM 288).1 x Corsair HX1200 (1200W) - PSU to support 24 HDD + several SSD and PCI cards.1 x Kingston UV400 120GB SSD - boot drive (hit the 3D NAND/TRIM bug with the original WD green selection, failing scrub and showing as corrupted OS files) Decided to go with no mirror and use the config backup script.2 x WD Green 3D NAND (120GB, 2.5") - Boot drives (maybe mess around trying out the thread to put swap here too link).1 x ASUS Z10PA-D8 (LGA 2011-v3, Intel C612 PCH, ATX) - Dual socket MoBo.The thing that strikes me the most is that even when all four nodes are copying to freeNAS (at 60mbps), I can still copy an additional 200GB file at 350 MB/s which maxes out the read spead of the windows drive array.Īiming to mostly replicate the build from (with some mods, hopefully around about as good as that link) I ran into the "slow folder listing" threads and already disabled the DOS bits and increased the _meta_limit but that was't any help. I'm using "robocopy /mir" over SMB which looks at the datestamps and filesize of the src and dest and only copies new files.
It maxed out at about 40 MB/s for a single server and 60 MB/s if I run it from all servers at the same time. Now that the data is there (about 100TB) it has gotten extremely slow. The initial copy from windows to freenas went fast. ( XEON skylake W-2102 CPU, 64GB of ram, no L2ARC) The pool consists of 6 vdevs of 8 disks in raidz2 config. I basically have 1 bigass zpool of about 300TB and datasets/file systems on them for each server. I'm trying to set up a backup server with freeNAS.
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