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Creating a RAID from one HDD

post #1 of 2
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I want to know if it is possible to have a 4TB HDD with about 2TB of data on it that I can "stick" in a NAS with 3 blank drives, of the same size and manufacturer/model, and have it "build" the RAID?

I am considering getting 4 x 4TB drives (IronWolf Pro, but open to suggestions on NAS Drives) and placing them in something like one of these Synology NAS: https://www.amazon.com/Synology-DS1817-8GB-Station-Diskless/dp/B06Y4TJL54/ref=pd_sim_147_3?_encoding=UTF8&psc=1&refRID=TRBQS678YHF95GPEFFT2

I would like to also know if it is feasible, and somewhat easy to upgrade to larger HDDs in the future and have it rebuild the RAID utilizing the full amount of space on the higher capacity drives?

This will primarily be for backup.

Also, in the grand scheme of things: Is this worth spending the time and money on this for backup purposes, or would spending $20ish a month on something like Dropbox, with unlimited amount of space, be better?
Petitmort
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Petitmort
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post #2 of 2
You cannot use a single drive as 2 individual disks. RAID controllers (regardless if software or hardware based) will have a physically identification of each disk and use each one accordingly.

Depending on the NAS system you are using then doing an upgrade in the manner you are speaking of is possible. The only ones I know of that can do that are Synology and FreeNAS. FYI, Synology is pretty damn awesome.


Also, you cannot just "stick" a drive into a RAID and have it disperse the data across the drives. You have the manually transfer the data onto the RAID. I know FreeNAS has an ingest feature but personally I am not fond of doing things that way. Sometimes the best way is the hard way.
 
Gsvlip Dudyrm
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Oda'maksv
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Gsvlip Dudyrm
(15 items)
 
Oda'maksv
(9 items)
 
CPUMotherboardGraphicsRAM
3770k @ 4.5 1.312 load Zotac Z77 ITX Wifi GTX 1070 Gaming 2126/2249 w/ Hybrid cooler TridentX 16GB 2400MHz 
Hard DriveHard DriveCoolingCooling
Samsung 850 Pro 1TB Seagate 2TB H105 EVGA Hybrid GPU cooler 
OSMonitorKeyboardPower
Windows 10 Asus MG279Q - 24" 144Hz 1080p Filco Majestic II w/ Cherry Reds Seasonic X 760W 
CaseMouseMouse PadAudio
Bitfelix Prodigy Logitech G400 Razer Goliath AKG A701 
AudioAudio
JDS Labs Objective 2 JDS Labs ODAC 
CPUMotherboardGraphicsRAM
Core i5 750 3.99 (190x21) 1.376v Load ASUS P7P55d-E Pro GTX 670 FTW <- Poor overclocker :( 8GB (4x2GB) G.Skill DDR3 1600 
Hard DriveHard DriveOptical DriveOS
Samsung 830 Evo 128GB 2x 2TB  Some DVD drive OSX 10.10.4 
MonitorPowerCaseMouse
Asus 1080P Crap TX 750 HAF 922 G400s 
Mouse PadOther
Apple Keyboard Xbox One controler 
CPURAMHard DriveHard Drive
C2D 2,26GHz under volted @ .978v 8GB  Crucial M4 64GB SSD 500GB Scorpio Black 
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OS X 10.0 1280x800 Built-in Trackpad 
Audio
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