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Import hdd to freenas without losing data

TrainFan475
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If I have a fresh installation of freenas, can I install and import a zfs hard drive that already has data on it from a different freenas?

Main Desktop - CPU: Ryzen 5 5600x  | GPU: GeForce GTX 1070 Founders Edition | RAM: G.SKILL TridentZ RGB 16GB (2 x 8GB) 3200MHz | Motherboard: Gigabyte B450 Aorus M | PSU: EVGA 650 B3 | STORAGE: Boot drive: Crucial MX500 1TB, Secondary drive: WD Blue 1TB hdd | CASE: Phanteks Eclipse P350x | OS: Windows 10 Pro | Keyboard: Redragon K556 | Monitors: Main: ASUS VP249QGR 144Hz, Secondary: Dell E2014h 1600x900

Laptop: Motile M141 - CPU: Ryzen 3 3200U | GPU: Vega 3 igpu | RAM: 8gb DDR4 2400MHz | STORAGE: 120GB SATA M.2 | OS: Windows 10 Home

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Was it in a RAID?

Main Rig:-

Ryzen 7 3800X | Asus ROG Strix X570-F Gaming | 16GB Team Group Dark Pro 3600Mhz | Corsair MP600 1TB PCIe Gen 4 | Sapphire 5700 XT Pulse | Corsair H115i Platinum | WD Black 1TB | WD Green 4TB | EVGA SuperNOVA G3 650W | Asus TUF GT501 | Samsung C27HG70 1440p 144hz HDR FreeSync 2 | Ubuntu 20.04.2 LTS |

 

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Intel NUC running Server 2019 + Synology DSM218+ with 2 x 4TB Toshiba NAS Ready HDDs (RAID0)

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1 minute ago, Master Disaster said:

Was it in a RAID?

I don't think so, it's just a single drive by itself (but it's not the boot drive)

Main Desktop - CPU: Ryzen 5 5600x  | GPU: GeForce GTX 1070 Founders Edition | RAM: G.SKILL TridentZ RGB 16GB (2 x 8GB) 3200MHz | Motherboard: Gigabyte B450 Aorus M | PSU: EVGA 650 B3 | STORAGE: Boot drive: Crucial MX500 1TB, Secondary drive: WD Blue 1TB hdd | CASE: Phanteks Eclipse P350x | OS: Windows 10 Pro | Keyboard: Redragon K556 | Monitors: Main: ASUS VP249QGR 144Hz, Secondary: Dell E2014h 1600x900

Laptop: Motile M141 - CPU: Ryzen 3 3200U | GPU: Vega 3 igpu | RAM: 8gb DDR4 2400MHz | STORAGE: 120GB SATA M.2 | OS: Windows 10 Home

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Yes you can import pools. However you should export it in the old system first to ensure compatibility. 

Gaming HTPC:

R7 1700X - Scythe Big Shuriken 3 - Asus ROG B350-i - Asus GTX 1080 Strix - 16gb G.Skill Ripjaws V 3333mhz - Silverstone SX500-LG - 500gb 960 EVO - Fractal Design Node 202 - Samsung 60KS7090 - Logitech G502 - Thrustmaster T500RS - Noblechairs Icon


Desktop PC:
R9 3900X - H100i GTX - Asus Prime X570 Pro - EVGA RTX2060KO - 32gb LPX 3200mhz - EVGA 750G2 - 250gb 970 Evo - 6TB WD My Book Duo (Reds) - Inwin 103 White - Dell U3415W - Qpad MK-85 Brown - Logitech MX518 Legendary - Blue Yeti Platinum - Noblechairs Icon 


Boss-NAS [Build Log]:
R5 2400G - Noctua NH-D14 - Asus Prime X370-Pro - 16gb G.Skill Aegis 3000mhz - Seasonic Focus Platinum 550W - Fractal Design R5 - 
250gb 970 Evo (OS) - 2x500gb 860 Evo (Raid0) - 6x4TB WD Red (RaidZ2)

 

Audio Gear:

Hifiman HE-400i - Kennerton Magister - Beyerdynamic DT880 250Ohm - AKG K7XX - Fostex TH-X00 - O2 Amp/DAC Combo - 
Klipsch RP280F - Klipsch RP160M - Klipsch RP440C - Yamaha RX-V479

 

Reviews and Stuff:

GTX 780 DCU2 // 8600GTS // Hifiman HE-400i // Kennerton Magister
Folding all the Proteins! // Boincerino

Useful Links:
Do you need an AMP/DAC? // Recommended Audio Gear // PSU Tier List 

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Just now, FloRolf said:

Yes you can import pools. However you should export it in the old system first to ensure compatibility. 

How does this work?

Main Desktop - CPU: Ryzen 5 5600x  | GPU: GeForce GTX 1070 Founders Edition | RAM: G.SKILL TridentZ RGB 16GB (2 x 8GB) 3200MHz | Motherboard: Gigabyte B450 Aorus M | PSU: EVGA 650 B3 | STORAGE: Boot drive: Crucial MX500 1TB, Secondary drive: WD Blue 1TB hdd | CASE: Phanteks Eclipse P350x | OS: Windows 10 Pro | Keyboard: Redragon K556 | Monitors: Main: ASUS VP249QGR 144Hz, Secondary: Dell E2014h 1600x900

Laptop: Motile M141 - CPU: Ryzen 3 3200U | GPU: Vega 3 igpu | RAM: 8gb DDR4 2400MHz | STORAGE: 120GB SATA M.2 | OS: Windows 10 Home

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22 minutes ago, TrainFan2020 said:

How does this work?

I recommend this guy for all things freenas:

 

 

 

Gaming HTPC:

R7 1700X - Scythe Big Shuriken 3 - Asus ROG B350-i - Asus GTX 1080 Strix - 16gb G.Skill Ripjaws V 3333mhz - Silverstone SX500-LG - 500gb 960 EVO - Fractal Design Node 202 - Samsung 60KS7090 - Logitech G502 - Thrustmaster T500RS - Noblechairs Icon


Desktop PC:
R9 3900X - H100i GTX - Asus Prime X570 Pro - EVGA RTX2060KO - 32gb LPX 3200mhz - EVGA 750G2 - 250gb 970 Evo - 6TB WD My Book Duo (Reds) - Inwin 103 White - Dell U3415W - Qpad MK-85 Brown - Logitech MX518 Legendary - Blue Yeti Platinum - Noblechairs Icon 


Boss-NAS [Build Log]:
R5 2400G - Noctua NH-D14 - Asus Prime X370-Pro - 16gb G.Skill Aegis 3000mhz - Seasonic Focus Platinum 550W - Fractal Design R5 - 
250gb 970 Evo (OS) - 2x500gb 860 Evo (Raid0) - 6x4TB WD Red (RaidZ2)

 

Audio Gear:

Hifiman HE-400i - Kennerton Magister - Beyerdynamic DT880 250Ohm - AKG K7XX - Fostex TH-X00 - O2 Amp/DAC Combo - 
Klipsch RP280F - Klipsch RP160M - Klipsch RP440C - Yamaha RX-V479

 

Reviews and Stuff:

GTX 780 DCU2 // 8600GTS // Hifiman HE-400i // Kennerton Magister
Folding all the Proteins! // Boincerino

Useful Links:
Do you need an AMP/DAC? // Recommended Audio Gear // PSU Tier List 

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Plug the drive in, in FreeNAS open the terminal and run the command

zpool import

 

This will list any pools that configuration data can be found for. then run the same command with the pools name.

e.g Pool name 'tank' you would run

zpool import tank

 

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Spoiler

Server: Fractal Design Define R6 | Ryzen 3950x | ASRock X570 Taichi | EVGA GTX1070 FTW | 64GB (4x16GB) Corsair Vengeance LPX 3000Mhz | Corsair RM850v2 PSU | Fractal S36 Triple AIO | 10 x 8TB HGST Ultrastar He10 (WD Whitelabel) | 500GB Aorus Gen4 NVMe | 2 x 1TB Crucial P1 NVMe | LSI 9211-8i HBA

 

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