El 24/03/16 a las 14:19, Howard News escribió:
Hi,
I uninstalled the wrong version of postgres on Ubuntu using apt-get
remove postgresql-9.0, convinced that this was an old unused version.
You guess the rest...
The data files still appear to be there, all 485GB of them. Can these be
restored?
Thanks.
Ok, if the data files are still there I'd do this:
1) Assuming the data is in /var/lib/postgresql/9.0, rename that
directory to /var/lib/9.0-old, AND COPY THAT DIRECTORY ELSEWHERE.
2) Reinstall 9.0 with "apt-get install postgresql-9.0". This should
re-create the /var/lib/9.0 directory with an empty "main" dir.
3) Stop 9.0 with "pg_ctlcluster 9.0 main stop".
4) Rename the new directory /var/lib/9.0 to /var/lib/9.0-new
5) Rename the old dir (/var/lib/9.0-old) to /var/lib/9.0
6) Restart the cluster with "pg_ctlcluster 9.0 main start".
And everything should be fine again.
P.S.: All those steps should be done as root.
Regards,
--
Leonardo M. Ramé
http://leonardorame.blogspot.com
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