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RAID-1 or Two Separate HDDs with manual sync?

post #1 of 2
Thread Starter 
Couldn't find a similar question like this anywhere on google so I decided to ask here. MIght be a stupid question for some but I'd like to hear other people's thoughts on the matter.

I'm thinking of buying a 4-bay NAS (probably the Synology DS412+) and plugging in four enterprise-level Hitachi Ultrastar 7k4000s on it, and then setting up the first two bays as RAID-1. I was wondering if it would actually be better to just keep them separate and manually sync my backups across both HDDs to avoid the risk of losing data from the raid controller going bad.

Any thoughts?
NOVA-I
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Abraxis-II
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Abraxis-I
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NOVA-I
(15 items)
 
Abraxis-II
(15 items)
 
Abraxis-I
(13 items)
 
CPUMotherboardGraphicsRAM
Intel Core i7-5960X ASUS X99-DELUXE EVGA GTX 980 SOC ACX Cooler 2.0 Corsair Dominator Platinum 32GB DDR4 
Hard DriveOptical DriveCoolingOS
Samsung 850 Pro ASUS BluRay Writer Combo XSPC Raystorm D5 Photon AX240 Windows 7 Ultimate 64 Bit 
MonitorKeyboardPowerCase
LG 34UM95 Corsair K95 RGB EVGA Supernova 1000W P2 80 Plus Platinum Corsair 780T Arctic 
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RAZER Taipan 8200 DPI Gaming Mouse RAZER Destructor 2 Audio Technica ATH-M50x 
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Intel i7-4770K @ 4.4 GHz 1.4v  ASRock z87 Extreme4 EVGA GTX 780 Ti Classified K|NGP|N Edition @ 12... G.Skill Ripjaws X Series 16GB @ 2133 MHz CL11 
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Samsung 840 EVO 250 GB SSD Hitachi Deskstar 7K3000 1.5 TB Hitachi Deskstar 7K3000 2 TB Corsair H110 
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Windows 7 Ultimate 64 Bit Ducky Shine III - Cherry MX RED - Green LED OCZ ZX Series 850 Watt GOLD Thermaltake Chaser MK-1 
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OCZ Agility 3 60GB (525/475 mb/s) Windows 7 Ultimate 64-Bit Ducky Shine III OCZ ZX Series 850 Watt 80+ Gold 
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post #2 of 2
I would go ahead an use RAID1 as long as you have a solid backup plan, which is important regardless of whether you RAID or not.

If you have a connection with enough bandwidth, you will get better read speeds, and any loss in write speed can be mitigated by first sending data to one of the other single drives and then, once it's all transferred, move to the array from the local "temp" disk. I have done this many times and it works very well.

I would be most inclined to recommend getting 4 2-3TB drives an running RAID10 though. Better performance and fault tolerance.
   
Z77 Bench-a-lot
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Z77 Bench-a-lot
(31 items)
 
CPUMotherboardGraphicsGraphics
i7 3930K @ 4.92Ghz Asus Rampage 4 Extreme EVGA GTX670 FTW 2GB  EVGA GTX780Ti Classified K|ngp|n Edition @ 1483... 
GraphicsRAMHard DriveHard Drive
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 
Hard DriveHard DriveHard DriveHard Drive
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 
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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 
OtherOtherOther
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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