Re: perl path issue

On 13/5/19 12:20 μ.μ., Prakash Ramakrishnan wrote:
> Hi Adrian,
>
> Yes am using edb standard edition and installed pgbackrest in prod and dev.
>
> nothing different am trying to restore the backup prod to dev cluster .
>
> * Can't load '/usr/lib64/perl5/vendor_perl/auto/DBD/Pg/Pg.so' for module DBD::Pg: libpq.so.5: cannot open shared object file: No such file or directory at /usr/lib64/perl5/DynaLoader.pm line 190.*
>         at /loader/0x1ec1528/pgBackRest/Db.pm line 10.
>         at /loader/0x1ec1528/pgBackRest/Main.pm line 12.
>         pgBackRest::Main::__ANON__('Can\'t load \'/usr/lib64/perl5/vendor_perl/auto/DBD/Pg/Pg.so\...') called at /usr/share/perl5/vendor_perl/Carp.pm line 100

How did you install libdbd-pg-perl ?
There is a dependency from libdbd-pg-perl to libpq5 .

>
> May be above path is corrupt or something issue not able to load the path.
>
> Regards,
> Prakash.R
>
>
> On Sat, May 11, 2019 at 7:18 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>> wrote:
>
> On 5/10/19 6:49 PM, Prakash Ramakrishnan wrote:
> > Hi Adrian,
>
> If I am following the below correctly you have EDB Postgres and
> pgBackRest running together on the prod server, correct?
>
> If so what was done different/is different on the dev server?
>
> >
> > 1) How was the production Postgres installed(EDB, native packages) and
> > on what OS?
> >
> > prod has been installed edb standard edition .run file and os CENTOS 7.5
> >
> > 2) The dev Postgres is the one installed using EDB installer, correct?
> >
> > yes
> >
> > 3) Define working fine. In other words where you/are you using a backup
> > method other then pgBackRest on the production and dev server?
> >
> > Please find prod config file and backup details,
> >
> > ==> cat /etc/pgbackrest.conf
> > [global]
> > repo1-path=/pgBACKUP/A4_sydcosafpp001
> > retention-diff=3
> > retention-full=1
> > retention-archive=2
> > start-fast=y
> > process-max=12
> > archive-async=y
> >
> >
> > [global:archive-push]
> > process-max=4
> >
> > [A4_sydcosafpp001]
> > pg1-path=/Postgres/pgDATA/data
> > postgres(at)sydcosafpp001(dot)enterprisenet(dot)org:/home/postgres
> > ==> cd /pgBACKUP/A4_sydcosafpp001/
> > archive/ backup/
> > postgres(at)sydcosafpp001(dot)enterprisenet(dot)org:/home/postgres
> > ==> cd /pgBACKUP/A4_sydcosafpp001/backup/A4_sydcosafpp001/
> > postgres(at)sydcosafpp001(dot)enterprisenet(dot)org:/pgBACKUP/A4_sydcosafpp001/backup/A4_sydcosafpp001
> > ==> ls -lrth
> > total 114K
> > drwxr-x---. 4 postgres postgres   44 Jan  7 01:08 backup.history
> > drwxr-x---. 3 postgres postgres   96 May  4 21:30 20190504-190001F
> > drwxr-x---. 3 postgres postgres   96 May  5 19:41
> > 20190504-190001F_20190505-190002I
> > drwxr-x---. 3 postgres postgres   96 May  6 20:28
> > 20190504-190001F_20190506-190002I
> > drwxr-x---. 3 postgres postgres   96 May  7 20:26
> > 20190504-190001F_20190507-190004I
> > drwxr-x---. 3 postgres postgres   96 May  8 20:28
> > 20190504-190001F_20190508-190002I
> > drwxr-x---. 3 postgres postgres   96 May  9 20:32
> > 20190504-190001F_20190509-190001I
> > drwxr-x---. 3 postgres postgres   96 May 10 20:32
> > 20190504-190001F_20190510-190001I
> > lrwxrwxrwx. 1 postgres postgres   33 May 10 20:32 latest ->
> > 20190504-190001F_20190510-190001I
> > -rw-r-----. 1 postgres postgres 5.7K May 10 20:32 backup.info <http://backup.info>
> > <http://backup.info>
> > -rw-r-----. 1 postgres postgres 5.7K May 10 20:32 backup.info.copy
> >
> >
> >
> > 4) When you say single database are you talking about a particular
> > database in the Postgres cluster or the entire cluster?
> >
> > we need restore for single database for single cluster.
> >
> > 5) Why is pgBackRest essential to this? In other words why not use the
> > Postgres pg_dump/pg_restore tools?
> >
> > pgbackrest tool need for backup and restore larger databases.
> > if suppose am using pg_dump and restore they wont accept it and taking
> > too much time using parallel option also so we use for pgbackrest.
> >
> >
> > On Fri, May 10, 2019 at 9:44 PM Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>
> > <mailto:adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>>> wrote:
> >
> >     On 5/10/19 7:50 AM, Prakash Ramakrishnan wrote:
> >      > Hi Adrian,
> >      >
> >      > Production backup working fine now and previously dev server also
> >      > working fine.
> >      >
> >      > Now the business team wants to restore the single database using
> >      > pgbackrest tool so we have setup the pgbackrest.conf file is like to
> >      > point prod .
> >
> >
> >     The above is not much to go on. So a list of questions below. Please
> >     answer them all, thanks:
> >
> >     1) How was the production Postgres installed(EDB, native packages) and
> >     on what OS?
> >
> >     2) The dev Postgres is the one installed using EDB installer, correct?
> >
> >     3) Define working fine. In other words where you/are you using a backup
> >     method other then pgBackRest on the production and dev server?
> >
> >     4) When you say single database are you talking about a particular
> >     database in the Postgres cluster or the entire cluster?
> >
> >     5) Why is pgBackRest essential to this? In other words why not use the
> >     Postgres pg_dump/pg_restore tools?
> >
> >
> >     As to below, this more then a Perl issue it is a package
> >     incompatibility
> >     issue.
> >
> >
> >      >
> >      > and directly  restore the backup from prod so thats why not able
> >     to do
> >      > some perl issue .
> >      >
> >      > database size is huge so they giving pressure and below is the
> >     config file,
> >      >
> >      > ==> cat /etc/pgbackrest.conf
> >      > #[global]
> >      > #repo1-path=/Postgres/pgBACKUP/A4_sydcosausd001
> >      > #retention-diff=4
> >      > #retention-full=4
> >      > #retention-archive=2
> >      > #start-fast=y
> >      > #process-max=4
> >      > #archive-async=y
> >      >
> >      >
> >      > #[global:archive-push]
> >      > #process-max=4
> >      >
> >      > #[A4_sydcosausd001]
> >      > #db-path=/Postgres/pgDATA/data
> >      >
> >      > *
> >      > *
> >      > *[global]*
> >      > *repo1-host=sydcosafpp001.enterprisenet.org <http://sydcosafpp001.enterprisenet.org>
> >     <http://sydcosafpp001.enterprisenet.org>
> >      > <http://sydcosafpp001.enterprisenet.org>*
> >      > *repo1-host-user=postgres*
> >      > *repo1-host-config=/etc/pgbackrest.conf*
> >      > *repo1-path=/pgBACKUP/A4_sydcosafpp001/backup/A4_sydcosafpp001*
> >      > *
> >      > *
> >      > *[A4_sydcosafpp001]*
> >      > *pg1-path=/Postgres/prakash_pgbackrest*
> >      > postgres(at)sydcosausd001(dot)enterprisenet(dot)org:/home/postgres
> >      >
> >      >
> >      >
> >      > On Fri, May 10, 2019 at 8:15 PM Adrian Klaver
> >     <adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com> <mailto:adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>>
> >      > <mailto:adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>
> >     <mailto:adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>>>> wrote:
> >      >
> >      >     On 5/10/19 7:36 AM, Prakash Ramakrishnan wrote:
> >      >      > Hi Adrian,
> >      >      >
> >      >      > I did the installation for like ,
> >      >      >
> >      >      > postgresql-10.4-1-linux-x64.run file.
> >      >      >
> >      >      > pgbackrest - yum install
> >      >      >
> >      >
> > https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-7-x86_64/pgdg-redhat96-9.6-3.noarch.rp
> >      >
> >      >      >
> >      >
> >       <https://download.postgresql.org/pub/repos/yum/9.6/redhat/rhel-7-x86_64/pgdg-redhat96-9.6-3.noarch.rpm>m
> >      >      >
> >      >      >
> >      >      > yum install pgbackrest
> >      >
> >      >     As explained upstream that is not going to work. The package
> >     YUM is
> >      >     installing is assuming that it will be working with Postgres
> >     installed
> >      >     from packages in the same repo. That is not the case. You
> >     might be able
> >      >     to download the pgBackrest source and build it pointing at
> >     the Perl in
> >      >     the EDB install, but I have no idea how to make that happen.
> >      >      >
> >      >      >
> >      >      > now what is the problem means we have to trying restore the
> >      >     backup prod
> >      >      > to dev server.
> >      >      >
> >      >
> >      >     So was the prod backup taken with pgBackRest?
> >      >
> >      >     --
> >      >     Adrian Klaver
> >      > adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com> <mailto:adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>>
> >     <mailto:adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com> <mailto:adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>>>
> >      >
> >      >
> >      >
> >      > --
> >      >
> >      >
> >      >
> >      > Thanks,
> >      > Prakash.R
> >      > PostgreSQL - Offshore DBA support TCS / Nielsen Infrastructure
> >     Team On
> >      > call : +91-8939599426
> >
> >
> >     --
> >     Adrian Klaver
> > adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com> <mailto:adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>>
> >
> >
> >
> > --
> >
> >
> >
> > Thanks,
> > Prakash.R
> > PostgreSQL - Offshore DBA support TCS / Nielsen Infrastructure Team On
> > call : +91-8939599426
>
>
> --
> Adrian Klaver
> adrian(dot)klaver(at)aklaver(dot)com <mailto:adrian(dot)klaver(at)aklaver(dot)com>
>
>
>
> --
>
>
>
> Thanks,
> Prakash.R
> PostgreSQL - Offshore DBA support TCS / Nielsen Infrastructure Team On call : +91-8939599426

--
Achilleas Mantzios
IT DEV Lead
IT DEPT
Dynacom Tankers Mgmt