On Wed, May 10, 2017 at 9:34 AM, David G. Johnston < david.g.johns...@gmail.com> wrote:
> On Wed, May 10, 2017 at 8:13 AM, Ron Ben <ronb...@walla.co.il> wrote: > >> Not possible >> https://www.postgresql.org/download/linux/debian/ >> >> To upgrade I do: apt-get install postgresql-9.3 >> There is no way to "roll back" from here. >> I can not choose which version to install, it install the latest version >> packed for debian. Currently its 9.3.16 >> >> The docuntation says that upgrading minor version is just "replacing the >> executables", so there has to be a way to save them on the side for roll >> back. >> > > I see that the binaries involved are located under "/usr/lib/postgresql" > - in directories matching up with the version-cluster naming scheme the the > apt packages employ. In theory backing up and restoring the relevant > directories under there should work. This would only work for minor > version switching. > My bad - its not cluster specific ... which makes sense as there is no way to update just individual clusters. David J.
