On 2023-11-29 20:17, Guilhem Moulin wrote: > On Wed, 29 Nov 2023 at 19:48:09 +0100, Dmitry Katsubo wrote: >> After= is not the same as Requires= >> If the service is not present, it is just noop. >> You might wish to add all supported RDBMS into After=. > > One could also imagine systems where one (or more) of these .service > files exists but isn't used by Roundcube. In that case it's not a noop. > I'll need to check what other maintainer do.
I agree, that adds more work to the scheduler, but roundcube-cleandb still works correctly. >> Otherwise I have no good idea how to cure the error I got... making an >> explicit delay? > > You can also add the After= relevant for your setup as a separate file > override. Right, that what I've done: added After=mariadb.service to roundcube-cleandb.service. > What's the impact of this anyway? The race condition might > cause the first run to fail but subsequent ones should succeed no? Well, the impact is that during startup the unit is marked as failed: # systemctl --all --failed UNIT LOAD ACTIVE SUB DESCRIPTION ● roundcube-cleandb.service loaded failed failed Purge Roundcube database: remove old records that were marked as deleted For the subsequent calls I ma not sure – I've got an impression that this service is run only once at system startup. -- With best regards, Dmitry