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Re: Broken after upgrade

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On 07/09/2016 03:09 AM, arnaud gaboury wrote:
On Sat, Jul 9, 2016 at 11:54 AM, arnaud gaboury
<arnaud.gaboury@xxxxxxxxx> wrote:
On Thu, Jul 7, 2016 at 10:01 AM, arnaud gaboury
<arnaud.gaboury@xxxxxxxxx> wrote:
On Thu, Jul 7, 2016 at 1:00 AM, José María Terry Jiménez
<jtj@xxxxxxxxxxxxx> wrote:
El 7/7/16 a las 0:14, Devrim Gündüz escribió:

Hi,

Fedora packages have an executable (not sure about its name, but check a
package called postgresql-upgrade or so). That will help you to finish the
upgrade process.

Regards, Devrim

Hello

Yes, the package is called postgresql-upgrade, and you can read detailed
instructions in /usr/share/doc/postgresql

In Fedora 22 (the machine i can check now) the document is called
README.rpm-dist in that directory

Hope helps you

I effectively found the postgresql-update tool. But when running it, I
get an error:

# postgresql-setup --upgrade

 * Upgrading database.
ERROR: pg_upgrade tool failed
ERROR: Upgrade failed.
 * See /var/lib/pgsql/upgrade_postgresql.log for details.


#  cat /var/lib/pgsql/upgrade_postgresql.log
-----------------------------------------------------------------
connection to database failed: could not connect to server: No such
file or directory
    Is the server running locally and accepting
    connections on Unix domain socket "/home/postgres/.s.PGSQL.5432"?


could not connect to old postmaster started with the command:
"/usr/lib64/pgsql/postgresql-9.4/bin/pg_ctl" -w -l
"pg_upgrade_server.log" -D "/db/pgsql/data-old" -o "-p 5432 -b  -c
listen_addresses='' -c unix_socket_permissions=0700 -c
unix_socket_directories='/home/postgres'" start
Failure, exiting
--------------------------------------------------

My data dir is in fact /db/pgsql/data. I do not know why it is looking
for data-old.
I will investigate this way.


It took me some time to figure out the correct way for Fedora to
upgrade pgsql. Here is the command I am supposed to run as postgres
user, with postgresql.service stopped:


$ pg_upgrade -b /usr/lib64/pgsql/postgresql-9.4/bin/ -B /usr/bin -d
/db/pgsql/data.old -D /db/pgsql/data

with data a new DB initialized with postgresql 9.5, data.old my
original DB, postgresql-9.4/bin old cluster executable.
NOTE: I didn't put my original config files pg_hba.conf, pg_ident.conf
and postgresql.conf in the new data directory. I left everything
untouched after the init command. Is it correct ?

The above command returns an error:
-----------------------------------------------------------------------
*failure*
Consult the last few lines of "pg_upgrade_server.log" for
the probable cause of the failure.

connection to database failed: could not connect to server: No such
file or directory
    Is the server running locally and accepting
    connections on Unix domain socket "/db/pgsql/.s.PGSQL.50432"?


could not connect to old postmaster started with the command:
"/usr/lib64/pgsql/postgresql-9.4/bin/pg_ctl" -w -l
"pg_upgrade_server.log" -D "/db/pgsql/data.old" -o "-p 50432 -b  -c
listen_addresses='' -c unix_socket_permissions=0700 -c
unix_socket_directories='/db/pgsql'" start
Failure, exiting
---------------------------------------------------------------------

My postgresql service is in fact started with its socket in
/run/postgresql directory, as indicated in my postgresql.conf. Now,
when running pg_upgrade, where is the socket ? I guess it shall be in
<< unix_socket_directories='/db/pgsql' >> as indicated in the log file
above? But it isn't apparently as postgresql can find the socket. How
can I change this behavior? How can I tell pg_upgrade to place the
socket in /db/pgsql ?

Thank you for help. This issue is getting me crazy and my mail server is broken.

UPDATE

Running the following command (it indicates where to find the socket):

$  /usr/lib64/pgsql/postgresql-9.4/bin/pg_ctl -w -l
"pg_upgrade_server.log" -D "/db/pgsql/data.old" -o "-p 50432 -b  -c
listen_addresses='' -c unix_socket_permissions=0700 -c
unix_socket_directories='/run/postgresql'" start >>
"pg_upgrade_server.log"


leave me this time with another error, in fact the original one:

% cat pg_upgrade_server.log
waiting for server to start....FATAL:  22023: database files are
incompatible with server
DETAIL:  The data directory was initialized by PostgreSQL version 9.5,
which is not compatible with this version 9.4.8.
LOCATION:  ValidatePgVersion, miscinit.c:1216
 stopped waiting

Actually it is the opposite of your original message:

"postgres(at)thetradinghall ➤➤ systemd/system %
/usr/libexec/postgresql-ctl start -D /db/pgsql/data -s -w -t 270
FATAL:  22023: database files are incompatible with server
DETAIL:  The data directory was initialized by PostgreSQL version 9.4,
which is not compatible with this version 9.5.3.


So aside this socket issue, it seems I am back again to the
initialization issue. Is there something wrong in the command I use ?

$ pg_upgrade -b /usr/lib64/pgsql/postgresql-9.4/bin/ -B /usr/bin -d
/db/pgsql/data.old -D /db/pgsql/data


Have no idea as I am confused as to your layout and what you have done, so:

1) Did you run the Fedora postgresql-setup upgrade command at any time?

2) What versions of Postgres do you have installed and/or running?
Please verify from package manager and/or ps.

3) List what is in the PG_VERSION file of each directory you are using.




--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx


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