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WD Green or Black?

post #1 of 8
Thread Starter 
I was just recently hired in as the operations manager for this business surveillance company, and one of the recent debates has been between purchasing/installing WD greens or blacks within our servers. Now the price between the two is definitely not negligible. especially how much we buy in bulk, and we generally offer a one or two year warranty with the servers that we install. If a green drive would fail within those two years we would be eating the cost to send a technician out (we do service regionally) to fix it.

So what I'm asking is, in the context of a surveillance server, running up to 64 channels, would one be better than the other? Would a black drive be less likely to fail within that warranty period? Would our clients even notice the difference between the two drives?


Thanks!
post #2 of 8
You should be looking at WD Purple drives for surveillance systems.

http://www.wdc.com/en/products/products.aspx?id=1210
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post #3 of 8
Greens are the low-power 5400rpm drives.
Blacks are the professional-quality 7200rpm drives.

Not really an apples-to-apples comparison there.
post #4 of 8
Thread Starter 
Quote:
Originally Posted by Phenomanator53 View Post

You should be looking at WD Purple drives for surveillance systems.

http://www.wdc.com/en/products/products.aspx?id=1210

Interesting, this was never even brought up as a contender and I honestly never even knew about them.
post #5 of 8
Quote:
Originally Posted by Phenomanator53 View Post

You should be looking at WD Purple drives for surveillance systems.

http://www.wdc.com/en/products/products.aspx?id=1210

While good for surveillance systems, they would be inappropriate for servers.

Greens are also inappropriate for servers. Blacks are much better but, for a commercial, WD enterprise drives would be the best.
     
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post #6 of 8
WD RE, in SATA or (preferably) SAS, would be ideal. I have yet to have one fail, and I still haveRE2's ru nning...
   
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post #7 of 8
Admin for 35 surveillance servers, do NOT get greens. The stupid power saving mode they use is a disaster if you have some cameras on motion detection. The hdd's say, "hey! we aren't being used much...guess I'll just shut down for a while until I'm needed, because desktop users can afford to wait 5 seconds before I'm ready for use"...Raid card says, "wake up mofos! it's time to go to school!"...awww they don't wanna! No greens, save yourself the trouble and learn from my mistakes.

"Intellipower" - uh-huh...burn in hell.
Edited by ForNever - 4/22/14 at 9:20pm
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post #8 of 8
I would like to hear the rest of the computer side components in use...

Something that works extremely well for me in very-high-data-rate streaming, and I use hardware RAID (and teamed/aggregated 10GbEth Intel dual hardware NIC's and the needed switches) is...
- RAID10 for redundancy surpassing Parity arrays, and MUCH improved and better balanced read/write speeda

The biggest improvement has been the addition of "buffer" arrays/disks, which is where the streamed data is written initially, and then it's copied over to the main arrays. It was a world of difference for RAID6 (I advise strongly against RAID5, for disks 2TB or larger and/or more than 4 disk arrays).

I have used HDD, specifically a 6-disk RAID0 of 15krpm 2.5" 600GB disks (R/W of array around 1.3-1.48GB/s), and it can be as few as 4 disks to completely mask thewrite ppenalties.
I now use enterprise SSD, with the DC-S3700 400/800GB from Intel being my absolute favorite with the most incredible consistency I've ever seen, dozens of petabytes of write endurance per drive (over 50GB/day for 5yrs+), and they are an incredible value dollars/GB compared to anything else. I am getting CONSTANT (+/- 0.3 PERCENT) write speeds (60pct large streaming, 40pct 4k to 1gig files) of 798MB/sec over an 8hr period. 840Pro's will peak at around 1GB/sec, but the average speed over even just 2hrs is 503MB/sec (dropping as low as 221).
Thats 2 in RAID0.

I would definitely recommend going with something less expensive like Red's if you can implement hardware level RAID and a pair of DC S3700's as a write buffer.
   
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Z77 Bench-a-lot
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CPUMotherboardGraphicsGraphics
i7 3930K @ 4.92Ghz Asus Rampage 4 Extreme EVGA GTX670 FTW 2GB  EVGA GTX780Ti Classified K|ngp|n Edition @ 1483... 
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EVGA GTX780Ti Classified K|ngp|n Edition @ 1483... 16GB G.Skill Ripjaws-Z @ DDR3-2248 9-10-9-26 1T Samsung 830 256GB SSD WD10EZEX 1TB HDD 
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WD10EALX 1TB HDD Seagate Barracuda 7200.14 1TB WD3200AAKS 320GB HDD WD5000HHTZ 10krpm 500GB VelociRaptor 
Optical DriveCoolingCoolingCooling
LG/Hitachi Slim DVD-R/W Custom MB-Backside VRM-sinks (Copper) 3x NZXT RF-FX140LB 1-2krpm 98.3CFM Case Fans 2x Corsair SP120-PE Case Fans 
CoolingCoolingCoolingCooling
Heatkiller GTX680 "Hole Edition" Block + Backplate XSPC Single-Bay Res (Single 5.25 bay) EK Multioption Res X2 - Advanced 150 DD "Fill-Port Res" + Fill-Port Fitting (Red) 
CoolingCoolingCoolingCooling
2x MCP35X + Heatsinks/80x15mm Fan XSPC EX420 Alphacool NeXXos UT60 240 6x Bgears Blasters 140mm 1800rpm Fans 
CoolingCoolingCoolingOS
4x Koolance 120x25mm 2600rpm Fans Comp/Rotary Fittings (BP/XSPC/Monsoon) Primoflex Pro LRT - White (1/2x3/4) Windows 7 Professional 64bit  
MonitorMonitorMonitorMonitor
Dell P2210Hb 21.5" 1920x1080p Viewsonic VA2012WB 20.1" LCD 1680x1050 Dell U3014 Eizo 27" 1440p 10bit RGB-LED Backlit AH-IPS Panel 
MonitorKeyboardPowerCase
55" LG HDTV (their top 2014 model) Ducky Mechanical (Browns) NZXT HALE90 850W + 8 blown-up AX1200/i's NZXT Switch 810 (White) 
MouseMouse PadAudioAudio
R.A.T.3 + MX510 My Desk GRADO RS1i Headphones Grado PS1000 Headphones 
OtherOtherOtherOther
Bitfenix Hydra Pro Fan Controller 5ch 30W/ch Bitfenix Alchemy Individually-Sleeved Extension... NZXT Individually-Sleeved Front Panel Wires (Bl... Phobya Sleeved 1x3pin-to-4x3pin Fan Splitter 
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Sleeved Wires w Paracord myself (no Heatshrink) Custom Front and Top Panels w HexxMesh *In Prog... Working on Custom Pedestal Prototype 
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