On 5/19/20 7:34 PM, Real Carbonneau wrote: > For example, every clone of a Debian system has a UUID (eg command "dmidecode > -t 1"), thus it would be simple to generate a new hostid (possibly keeping the > old one backed up) when the system uuid has been observed to have changed.
The BIOS UUID is not reliable. I have a bunch of SuperMicro systems with the same UUID. I suggest using /etc/machine-id when present (i.e. systemd systems). See also: https://github.com/openzfs/zfs/issues/9367 -- Richard
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