Quiet 14 external bay + internal SSD, Antec 902, IcyDocks & over budget


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This boxes primary purpose is to serve media over a gigabit LAN to a WDTV Live Hub, Seagate FAT+, and/or HTPC. It also stores a small amount of personal data (photos etc.) as backup for the PC's in the house.

 

 

OS at time of build: unRAID 4.7 Pro

CPU: 2.7 GHz AMD Sempron 140

CPU cooler: ZALMAN CNPS10X FLEX (passive, no fan)

Motherboard: MSI 880GMA-E53

RAM: Kingston ValueRAM 2 x 1GB DDR3 1333 x2 = 4GB total

HBA: Supermicro AOC-SASLP-MV8 4 SAS/8 SATA ports

Case: Antec Nine Hundred Two v2

Drive Cages: ICY DOCK MB455SPF-B 5-in-3 x 1 = 5 bays

                   ICY DOCK MB973SP-B Tray-less 3-in-2 x 3 = 9 bays

 

Power Supply: Seasonic SS-400FL 400w fanless, 33 amp +12v rail

Cables: SATA3 cables from monoprice. Seasonic also sent me a couple extra molex cables for the PS, for free!

              Forward breadout cables: 3ware CBL-SFF8087OCF-05M

Fans: Scythe SY1225SL12SL 120mm in the plastic side pulling air in

Icy Dock fans: The one in the 5-in-3 runs all the time on low; the fans in the 3-in-2's are set to auto (effectively low)

Failsafe fan switch: Automated Thermal Switch 40° C Threshhold (On at 40°C / Off at 32°C or Less). This switches on the 200mm top fan and the 120mm rear fan, both of which are set to high speed and oriented to evacuate air from the case.

Misc: CPU and cooler faces polished before Arctic Silver applied

            Startech USBMBADAPT2 USB motherboard header adapter to mount boot device in case

 

Parity Drive: Seagate ST32000542AS 2TB, CC35 firmware

Data Drives: (7) Seagate ST32000542AS 2TB (CC35 firmware) plus (3) Western Digital WD20EARS 2TB, no jumper, aligned correctly.

Online Spare Drive: Western Digital WD20EARS, no jumper, aligned correctly.

Read cache SSD (not write cache) INTERNAL: A-DATA S596 Turbo

Total External Bays: 14

 

Primary Use: Media server (BD/DVD/FLAC)

Likes: Total cost, ease of setup, performance, flexibility

Dislikes: It weighs a ton. Cable spaghetti.

Add Ons Used: unMENU, custom scripting in go, ssh

Future Plans: I need to get the UPS status reporting working, auto-shutdown if power is going down, along with email notification.

Would do differently: I would use a SuperMicro mobo with an Atom CPU and IPMI and trayless 5-in-3 or 4-in-3.

Case mods: Two of the flaps on each side of the case for guiding 5.25" devices in had to be flattened for the 5-in-3. I started them with a small pair of channel locks, then finished flattening them with a C-clamp. I put a small piece of plastic under the rotating tip in the C-clamp to minimize marring the outside of the drive cages.

 

These were taken when the box had 7 disks and no SSD

Boot (peak): 194

Spinning up disks peak: 173

All disks spun up no activity: 96

Idle (disks spun down): 56

Watching one movie: 61

Active (parity check): 118

 

I was a little disappointed that this incarnation is less power efficient than the previous.

 

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The box is running headless. The KVM was only used to setup the BIOS. My next mobo will have IPMI.

 

The original build from which the mobo/CPU/RAM/disks and cooler were taken is here.

 

I think it took almost as long to make this post as it did to build the box.

 

 

3/8/10

Filesystem            Size  Used Avail Use% Mounted on
/dev/sda1             3.8G  133M  3.6G   4% /boot
/dev/md1              1.9T  1.8T   71G  97% /mnt/disk1
/dev/md2              1.9T  1.8T   71G  97% /mnt/disk2
/dev/md3              1.9T  1.8T   73G  97% /mnt/disk3
/dev/md4              1.9T  1.8T   72G  97% /mnt/disk4
/dev/md5              1.9T  1.8T   70G  97% /mnt/disk5
/dev/md6              1.9T  436G  1.4T  24% /mnt/disk6
/dev/md7              1.9T   33M  1.9T   1% /mnt/disk7
/dev/md8               30G   60M   30G   1% /mnt/disk8
/dev/md9              1.9T   33M  1.9T   1% /mnt/disk9
/dev/md10             1.9T   33M  1.9T   1% /mnt/disk10
/dev/md11             1.9T   33M  1.9T   1% /mnt/disk11
shfs                   19T  9.2T  9.1T  51% /mnt/user

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I chose these 3-in-2 specifically because of their fan control. They were the only backplane (I found) that spins down the fan when the drives spin down. And because the ultimate density with 3-in-2's is greater than with 4-in-3's.

 

So most of the time, the fan in the 5-in-3 is running, along with the quiet/slow 120mm fan in the side panel blowing on the HBA, north bridge and passive CPU cooler. When a disk is spun up in a 3-in-2, its fan spins up, otherwise the box is near silent. I am not sure the thermal switch is working or if I don't have it in a hot enough place, but the top/rear fans haven't spun up. When I short around the switch they do. I need to pull it out and hit it with a hair dryer.

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Brit is correct; the 3-in-2 is more efficient than 4-in-3, but not as efficient as 5-in-3. This was a reasonable compromise to me. I really wanted a 12 bay case, but the price on the 902 was great, and it had everything else I wanted (top fan, bottom power supply, no external volume type knobs, and actually available for sale). Also the cost per slot was the same between the 3-in-2 and the ID 5-in-3 ($25 per slot AR for Icy Dock).

 

I sent Icy Dock an email suggesting they make a trayless 5-in-3 with smart thermal control on the fans, and w/o the front USB/eSATA ports. I doubt they listen, but that is what I wanted. This was as close as I could get.

 

Temps are running in the 30's during normal operation, as high as 44 during parity check. Which is basically what I wanted. I would prefer a couple/few degrees cooler, which should be possible by turning up the fans during PC, but this is acceptable to me.

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Thanks Chuck. I had a drawing like that once floating around my room too and I should revive it because I would create an ip and forget what it was and for the life of me I would beat my head against the wall trying to remember the login ip to configure a router.

 

I've been in a forever redesigning my dream office/computer room and I keep getting little ideas like this to well delay me even more. ;)

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  • 2 years later...

Update: Server has been rock solid for almost 3 years now. The SSD being used only for the movie metadata died, and was replaced with the spare WD20EARS in the box, bringing the current usable to 21TB.

 

Today I upgraded it to 5.05, pulled all the disks and cleaned the case and fans out, and it is running again.

 

One of the Seagate 2TB disks failed pretty early on and was replaced. No other failures or issues have been had.

 

Plans: There are 2 open disk bays, so at some point they will be filled with 3TB disks. One for parity and one for data. That should be 26TB which will last for a few more years.

 

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