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Comment on Best way to keep a hot spare SD card for a raspberry pi?

IsoKiero@sopuli.xyz ⁨1⁩ ⁨month⁩ ago

Unfortunately, I don’t think the Pi supports RAID1.

I haven’t ran any Pi with hard drives, but I don’t see any reason why it wouldn’t work with software raid on linux.

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dan@upvote.au ⁨1⁩ ⁨month⁩ ago
The issue is that I don’t think its bootloader supports booting from RAID. I guess you could use a MicroSD for booting then have everything else on the RAID1.

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- IsoKiero@sopuli.xyz ⁨1⁩ ⁨month⁩ ago
  Grub supports software raid just fine. The main issue is that you need to modify grub configuration to add bootloader on both drives, but even if you don’t it’s pretty simple to recreate needed files for second drive when the primary one dies.
  
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  - dan@upvote.au ⁨1⁩ ⁨month⁩ ago
    GRUB does, but Raspberry Pis don’t use GRUB by default. You should be able to install it, but it’s not officially supported.
    
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