Well - PG is very powerful and has therefore lots of options which might
affect behaviour in future e.g. after system changes. All I mentioned is
really not such a big deal. But with databases its often better to think
of how setting up your individual system before starting productive work.
That includes in my opinion how you want to work on when a certain type
of system crash occurs (server not available, client hardware blown
up....), see for example
https://wiki.postgresql.org/wiki/Category:Backup. And PG-backup gives
you much more security in that case as a plain server backup. You can do
that automatically (see link above).
For general information I would try out the Postgres-documentations
under https://www.postgresql.org/docs/. There you might find a lot
about backup, setting up variables etc.
More Tutorials can be found under
https://wiki.postgresql.org/wiki/PostgreSQL_Tutorials.
Concerning PostGis, I learned a lot from "PostGIs in Action" by R.O.Obe
and L.S.Hsu (Manning Publications, Stanford).
Thomas
This is all really good but I was hoping I could just install it on
our server and go because I am not a database administrator; just a
GIS Tech. Where can I go to learn about database backups methods and
procedures, best practices and that sort of thing? Any good, free
online postgre courses? book suggestions? I already have PostGIS in
Action.
Thanks all;
Tyler
On Fri, Jul 15, 2016 at 4:47 AM, ThomasD <thomasd.mailingli...@gmx.de
<mailto:thomasd.mailingli...@gmx.de>> wrote:
Hi Tyler
I have only little experience with PG backups - but I can
emphasize from that little that it is very helpful to use pg_dump
regulary. Better don't rely on backups of your datadirectory.
Although have in mind, that after a crash you might use different
computers. It might help, when these are tested for successful
restore/rollback in advance.
Concerning later server versions you might refer to the PG-Groups
an mailing lists for recent issues. Until now I have restored my
database (private for birding data) twice with diferent versions
aof postgres and it worked just fine. But I have functions only
written in PL/PGsql. I could imagine that you might run into
difficulties, when using different languages in different server
versions like Python2 and Python3. Different Path and Variable
settings (e.g. locals) might in that case also be an issue.
Thomas
Hi All;
I am thinking about getting IT to install PostgreSQL on our
server and start moving our GIS Data over to the post database.
My concern is backup; we currently backup the whole server onto,
what are called "tapes" but I am sure they are not cassettes or
the like, anyway twice a day the whole server is copied so we can
go back to previous versions of a file or folder to; roll back,
restore, or recover. With this in place do I need to setup a
separate backup or replication service on the postgre database?
Could I just "roll back" using a later server version?
Well.... I guess this is more of a postgre question and not so
much a QGIS one; but I am going to put this out there anyway and
if no one can answer I will find another spot.
Thanks
Tyler
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