So I bought a Synology DS920+ NAS. I've wanted to do a real NAS for a long time and decided since everything is discounted. I bought 3 IronWolf drives that are 12TB each. I also bought a Samsung M.2 SSD that's 2TB (it was $300 off). I'm planning to set it up in RAID5. I'm going to keep it on my local network only and use a VPN to access it when I'm not home if I need to. Wondering if anyone else has set up a NAS before or had any experience and if RAID5 is the best option. I plan to install another M.2 SSD in the future and add a fourth 12TB drive. As far as I know this is possible
Synology NAS
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Telesphoreo -
November 26, 2021 at 12:35 AM -
Thread is marked as Resolved.
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↩ Telesphoreo You've got yourself a lovely setup there. I'm guessing you're wanting to use the M.2 SSD as a write cache drive? Or is it to be fully implemented into the RAID setup? I'd also say that RAID5 is a good option for a NAS, it's got the performance of a RAID0 config (striped array), but includes parity checks across all drives and can store an accurate register of the description of the contents of the drives (parity bits), which is a lifesaver in the event that one of your drives were to fail. VPN access outside of your LAN would be a smart approach, encrypts any packets sent to and from your NAS on external networks so anyone trying to snoop won't be getting to your information easily.
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↩ Telesphoreo Well, you made the right choice at the right time that's for sure. With an M.2 set as your cache, expect some amazing performance out of that RAID5 setup. Won't be as blazing fast as a full SSD setup, but you've got the perfect balance between speed, reliability and capacity.
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There are some things to be aware of at least from running my own nas.
In a lot of nas software the cache is only a read cache and doesn't help write speeds. Likewise the write cache is usually ram.
Check the software supports expanding the array, some types of arrays and pools don't. Mine for example due to the underlying tech doesn't allow me to add a new disk without destroying the pool and re creating it which isn't a great position to be in.
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↩ @'Ryan' What nas software / hardware are you using? According to Google I can. Synology has read and write cache although it only really benefits from 2 SSDs which is something i wasn't aware of before
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↩ Telesphoreo He could be using a piece of software that works like UnRaid, UnRaid only allows for cache drives to behave as a write cache. But, obviously Ryan is on a piece of software that only allows for the cache drive to behave as a read cache. I guess it just depends on the software that you choose to run your RAID NAS setup under.
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↩ Telesphoreo I'm running TrueNAS with ZFS (I believe anyway). It was more of a "Just double check" because I had assumed I could add more disks and that it would be a read / write cache but in my case neither turned out to be true.
I would recommend TrueNAS as a solution generally though, there's a lot of really nifty stuff it can do, even if it's just something to play with once and never use again.
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↩ @'Ryan' this NAS runs DSM. I intend to keep it since it has an app store that does snapshots and even has support for running AD. It can run a bunch of stuff like Apache or Pi hole so that's nice.
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Well, here it is
https://packs.smokes-crystal.rocks/DwcywE0rzc.png
Active Directory works flawlessly as well:
https://packs.smokes-crystal.rocks/oIl1rHw5Lv.png -
↩ Telesphoreo How's performance looking so far?
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wild1145
July 16, 2022 at 11:47 PM Moved the thread from forum Imported from Flarum to forum Tech Support Help Desk. -
wild1145
November 2, 2022 at 6:25 PM Moved the thread from forum Tech Support Help Desk to forum Community Support. -