Re: Migration from CentOS7 to RHEL red hat Linux

yes you can configure

1 option is to configure stream replication but in such scenario you can
only perform fail-over.
2 option is to configure repmgr in which you can perform switchover in
postgreSQL

Regards,
Muhammad Waqas
Bitnine

2024년 7월 26일 (금) 오후 7:22, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>님이 작성:

> Wasim Devale <wasimd60(at)gmail(dot)com> writes:
> > I want primary and secondary running on CentOS7 in sync with primary and
> > secondary running on RHEL. Is it possible by any chance that postgresql
> > allows.
>
> If you mean you want to sync something on CentOS7 with something on
> RHEL8 or RHEL9, that's pretty dangerous because glibc's collations
> will not be the same [1]. You might get away with doing logical
> replication, but don't try physical replication.
>
> regards, tom lane
>
> [1] https://wiki.postgresql.org/wiki/Locale_data_changes
>
>
>