USB as backup boot drive?

the_jest

Explorer
Joined
Apr 16, 2017
Messages
71
Forgive me is this is a crazy question. On my current system, I use a mirrored pair of USB boot drives. For the new system I'm planning, I'll move to an SSD boot drive, as widely recommended here for a long time.

However, my (planned) motherboard has only a single M.2 (not NVMe) slot. I have to imagine that mirroring an M.2 SSD with a USB drive would be a bad idea. But is there some other way I can use a USB drive as a backup boot device, in case the M.2 drive fails?
 

Jailer

Not strong, but bad
Joined
Sep 12, 2014
Messages
4,977
Just keep one handy in case you ever need it and keep a current copy of your config. If your SSD ever does happen to fail, install TrueNAS to the USB drive, boot it and upload your config.
 
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