7a7bf8368e25d13b1f2e915514c804728b7648ef
The host id value gets generated by reading a 32-bit value from /dev/urandom. This makes programs that rely on a correct host id more reliable. It also makes using ZFS more seamless, as you don't need to configure the hostId manually; instead, it becomes part of your config from the moment you install NixOS.
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