Refresh (upgrade)

vmk8s

Emergency stop button

Halt an in-progress refresh with

juju config <app name> pause-after-unit-refresh=all

Then, consider rolling back.

Charmed PostgreSQL supports minor version in-place refresh via the juju refresh .

Unsupported refreshes

These are examples of refreshes that are not supported in-place.

In some of these cases, it may be possible to perform an out-of-place upgrade or downgrade.

  • Minor in-place downgrade from PostgreSQL 14.13 to 14.10

  • Major in-place upgrade from PostgreSQL 14 to 16

  • Major in-place downgrade from PostgreSQL 16 to 14

  • Any refresh from or to a non-stable version (e.g. 14/edge)

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