On Tue, Jan 02, 2024 at 03:58:25PM +0530, Amit Kapila wrote: > Pushed. pg_upgrade/t/004_subscription.pl says
|my $mode = $ENV{PG_TEST_PG_UPGRADE_MODE} || '--copy'; ..but I think maybe it should not. When you try to use --link, it fails: https://cirrus-ci.com/task/4669494061170688 |Adding ".old" suffix to old global/pg_control ok | |If you want to start the old cluster, you will need to remove |the ".old" suffix from /tmp/cirrus-ci-build/build/testrun/pg_upgrade/004_subscription/data/t_004_subscription_old_sub_data/pgdata/global/pg_control.old. |Because "link" mode was used, the old cluster cannot be safely |started once the new cluster has been started. |... | |postgres: could not find the database system |Expected to find it in the directory "/tmp/cirrus-ci-build/build/testrun/pg_upgrade/004_subscription/data/t_004_subscription_old_sub_data/pgdata", |but could not open file "/tmp/cirrus-ci-build/build/testrun/pg_upgrade/004_subscription/data/t_004_subscription_old_sub_data/pgdata/global/pg_control": No such file or directory |# No postmaster PID for node "old_sub" |[19:36:01.396](0.250s) Bail out! pg_ctl start failed You could rename pg_control.old to avoid that immediate error, but that doesn't address the essential issue that "the old cluster cannot be safely started once the new cluster has been started." -- Justin