On Thu, 20 Dec 2018 09:28:26 -0600 Ron <ronljohnsonjr@xxxxxxxxx> wrote: > On 12/20/18 2:41 AM, Prince Pathria wrote: > > Hi, > > I'm asking this out of curiosity, if I have 2 postgres nodes on same server, > > 1. listening on port 5432 > > 2. listening on port 5433 > > > > What issue's I might face if I do it like this? Assuming I'm doing this > > for multimaster approach. > > > > |pg_ctl -D /data/postgres-o "-p 5432"-l /var/log/pg1start| > > | > > |pg_ctl -D /data/postgres-o "-p 5433"-l /var/log/pg2 start|| > > I don't think Postgres will even let you install the second node in the same > directory. Well, with little insanity, you could. I already faced some corruptions based on this recipe because of bad architectures. First easy situation to imagine: shared rw storage with autofailover and no fencing. Shake, wait and observe. > Also, you should name the directories /postgres/data Postgres expects to be > installed in a directory named "data". PostgreSQL does not expect such thing...or maybe I don't understand what you mean. > In fact, if you install Postgres from postgresql.org packages, it'll install > it in "X.Y/data", where X is the major version number, and Y is the minor > version number. This is mostly packager decision...and a good one in fact :)
