(13-02-2017, 03:26 AM)venam Wrote: I'm also really interested in tips to avoid making cretinous mistakes.

When a system upgrade is carried out under illumos, a new boot environment is automatically created, which is active after the reboot. Until this reboot, which should therefore not be delayed for months, the old services and data remain active and are not synchronised with the new versions.

Not even any PostgreSQL databases.

Please do NOT ask why I am writing this now.