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Written by Adlangx on 2024-08-16 at 17:10

Anyone have any strong NAS recommendations?

[#]programming #linux @shanselman

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Written by lucas on 2024-08-16 at 17:29

@lightninhopkins DIY: TrueNAS (Core or Scale) in a box with lots of RAM and disks on an LSI SAS controller in HBA Mode. Budget defines "lots"

OTS/Home: Anything with 4+ disks in RAID5 or better. ZFS if it's an option.

OTS/Business: TrueNAS Applicance

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Written by Adlangx on 2024-08-16 at 17:31

@lucas For home. Do you know any off the shelf units that would be good? Planning to digitize my DVD collection before rot settles in

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Written by lucas on 2024-08-16 at 17:40

@lightninhopkins We have some Synology devices at work that exist as cheap places to store things that haven't caused any trouble in a few years, but synology-branded (RAM/DISKS/NICS) that are marked up way past market price.

My home NAS is A ZFS "Z6" pool that's on it's second, almost 3rd lot of Disks (They fail, you replace them before the next one fails), 2nd lot of CPU/RAM and 4th OS (don't install TrueNAS to a USB stick!). Hence my three different ZFS-based recommendations lol

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Written by lucas on 2024-08-16 at 17:50

@lightninhopkins because you want long-term archival storage, you'll want more redundant disks in your array. you're building a thing made out of wear items, and if you fail past the threshold of failure, you lose everything.

raid5 is 1 disk of redundancy, you can lose one disk before you lose the whole lot.

raid6(*) is 2 disks of redundancy, you can loose 2 disks.

raid7(*) is 3 disks and so on...

you basically have to decide how much storage to trade for safety right at the start.

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Written by lucas on 2024-08-16 at 17:57

@lightninhopkins *: its not usally called raid 6 or 7.

but don't be alarmed if you have 8 disks but only get to use the capacity of 5 or 6 of them.

array rebuild is a prime time for another disk to go out, its usually the hardest the disks will work. and if you only have one disk worth of redundancy, and the array is still rebuilding from he last failure... its a bad day.

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Written by Scott Hanselman 👸🏽🐝🌮 on 2024-08-17 at 23:04

@lightninhopkins I LOVE LOVE LOVE my synology, but if you have a machine already, truNAS is great

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