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Comment by ttmb | Hacker News Reader

There really isn't a story here, Kev. You blew a power supply on your Synology. You even said it yourself: "maybe this is a problem with the enclosures and the disks are fine".

If you'd put your disks into a replacement Synology unit, you would have been back online - config, data, and all - within a few minutes.

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This - I thought of URE as he mentioned Raid5 but the disk size was ok (1tb).

But this scenario? Lost almost all his data? I once closed the terminal window where I spawned gparted from while resizing a partition with it... this was nerverracking

The Synology unit isn’t cheap and it’s for backups - surely it warrants a surge protector. Easy to say after the event however.

Agreed. There's also something janky about the power supplies on some Synologys:

https://www.youtube.com/watch?v=K7ly8zde3dE

And joy of joy's it's not a standard off the shelf part, and pray you're not outside the warranty period because the price of a spare is eye watering.

Steve has posted a few other videos about failed Synology's, worth a watch before parting with you cash.

This is the reason I upgraded our Synology with a self-built NAS with six disks, a low-power Atom CPU and a really really good PSU connected to a UPS unit for extra security. Never save money with your NAS power solution.

Which OS and file system did you choose?

I recently did similar with an old server and Freenas, but I am still not sure if I have a safe (enough) system overall. I chose RAIDZ2 with 4 4TB WD Red drives, ECC RAM, seems to be working well so far.

FreeNas with ZFS, RAIDZ2, 6 x 4TB WD Red, 16 GB ECC RAM.

System has been running a year now without any bigger maintenance.

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