Hi DM, I think pgpool is working now for me. I forgot to uncomment the listen address in my postgresql.conf of my new node. hehe
Thanks, Harold --- On Tue, 4/7/09, DM <[email protected]> wrote: > From: DM <[email protected]> > Subject: Re: [Pgpool-general] Question about Online Recovery > To: [email protected] > Cc: [email protected] > Date: Tuesday, April 7, 2009, 5:19 PM > Hi Harold, > > Attached is the steps to recover the database using pgpool > recovery node. > (the document is not a standard, i prepared while i was > testing pgpool > recovery) > Email me for any questions on pgpool recovery i will try to > answer to my > best of knowledge. > > ------------------------------------------------------ > Question: have a couple of errors. > LOG: could not receive data from client: connection reset > by peer > LOG: unexpected EOF within message length word > > Let me know if pgpool is working fine or not? > > ------------------------------------------------------ > You dont need to define postgres password, but you have to > create user id > and password for using the file pcp.conf file under > "/opt/pgpoolII/etc/" > > snippiet form pcp.conf file.. > # USERID:MD5PASSWD > pgpuser:09613b137a2e9be2ae93588c5970ab53 > > my pcp_recovery_node command looks like this > usr/pgpool-II/2.2RC2/bin/pcp_recovery_node 20 > <hostname> 9898 pgpuser > test123 1 > ------------------------------------------------------ > > My suggestion is execute your scripts base-backup.sh, > pgpool-recovery.sh, > pgpool_remote_start manually and see if it works or not. If > your scripts > work manually then pcp_recovery_node command should also > work. > Enjoy > > - Deepak Murthy > > > On Tue, Apr 7, 2009 at 1:05 PM, Harold Lim > <[email protected]> wrote: > > > > > Hi DM, > > > > Can you send me your steps to recovery? > > > > Also, when I look at my postgresql log, > > > > I have a couple of errors. > > > > LOG: could not receive data from client: connection > reset by peer > > LOG: unexpected EOF within message length word > > > > > > > > > > I also have > > > > Password for user postgres: > > psql: fe_sendauth: no password supplied > > > > > > > > But I did supply a password when I run > pcp_recovery_node > > > > /opt/pgpoolII/bin/pcp_recovery_node 20 node1 9898 > postgres postgres 1 > > > > > > Thanks, > > Harold > > > > > > > > --- On Tue, 4/7/09, DM <[email protected]> > wrote: > > > > > From: DM <[email protected]> > > > Subject: Re: [Pgpool-general] Question about > Online Recovery > > > To: [email protected], > [email protected] > > > Date: Tuesday, April 7, 2009, 12:07 PM > > > Harold, > > > > > > WAL archives can be enabled on one machine or > many machines > > > it depends on > > > how you want. > > > Assuming you have 2 systems one primary and > another > > > standby, in real time > > > scenario any system can go down. Its better to > enable WAL > > > on both system so > > > that if one fails you could recover from other. > > > > > > For your issue with recovery make sure that you > have added > > > both of your > > > system ip address or host name in pgpool_hba.conf > file and > > > try executing > > > your scripts one by one you should be able to > debug it. > > > > > > Also copy the scripts to recover the database on > both > > > machines. > > > > > > I can send you my steps to recovery if you want. > Its same > > > as Gerd's but > > > little modification. > > > > > > - Deepak > > > > ----------------------------------------------------------- > > > > > > > Message: 2 > > > > Date: Mon, 6 Apr 2009 15:32:34 -0700 (PDT) > > > > From: Harold Lim <[email protected]> > > > > Subject: [Pgpool-general] Question about > Online > > > Recovery > > > > To: [email protected] > > > > Message-ID: > > > <[email protected]> > > > > Content-Type: text/plain; charset=us-ascii > > > > > > > > > > > > Hi All, > > > > > > > > I'm trying to setup the online recovery. > I'm > > > following the > > > > tutorial/beginners guide written by Gerd. > > > > > > > > I am getting an error for 2nd stage. Any > idea what the > > > problem might be? > > > > > > > > > > > > Below is the log file: > > > > > > > > 2009-04-06 18:28:14 DEBUG: pid 25867: > pcp_child: > > > authentication OK > > > > 2009-04-06 18:28:14 DEBUG: pid 25867: > pcp_child: > > > received PCP packet type > > > > of service 'O' > > > > 2009-04-06 18:28:14 DEBUG: pid 25867: > pcp_child: start > > > online recovery > > > > 2009-04-06 18:28:14 LOG: pid 25867: > starting > > > recovering node 1 > > > > 2009-04-06 18:28:14 DEBUG: pid 25867: > exec_checkpoint: > > > start checkpoint > > > > 2009-04-06 18:28:14 DEBUG: pid 25867: > exec_checkpoint: > > > finish checkpoint > > > > 2009-04-06 18:28:14 LOG: pid 25867: > CHECKPOINT in > > > the 1st stage done > > > > 2009-04-06 18:28:14 LOG: pid 25867: > starting > > > recovery command: "SELECT > > > > pgpool_recovery('copy_base_backup', > > > '172.16.63.10', > > > > '/opt/PostgreSQL/8.3/data')" > > > > 2009-04-06 18:28:14 DEBUG: pid 25867: > exec_recovery: > > > start recovery > > > > 2009-04-06 18:28:22 DEBUG: pid 25834: > starting health > > > checking > > > > 2009-04-06 18:28:22 DEBUG: pid 25834: > health_check: 0 > > > th DB node status: 1 > > > > 2009-04-06 18:28:22 DEBUG: pid 25834: > health_check: 1 > > > th DB node status: 3 > > > > 2009-04-06 18:28:33 DEBUG: pid 25867: > exec_recovery: > > > finish recovery > > > > 2009-04-06 18:28:33 LOG: pid 25867: 1st > stage is > > > done > > > > 2009-04-06 18:28:33 LOG: pid 25867: > starting 2nd > > > stage > > > > 2009-04-06 18:28:33 LOG: pid 25867: all > connections > > > from clients have > > > > been closed > > > > 2009-04-06 18:28:33 DEBUG: pid 25867: > exec_checkpoint: > > > start checkpoint > > > > 2009-04-06 18:28:33 DEBUG: pid 25867: > exec_checkpoint: > > > finish checkpoint > > > > 2009-04-06 18:28:33 LOG: pid 25867: > CHECKPOINT in > > > the 2nd stage done > > > > 2009-04-06 18:28:33 LOG: pid 25867: > starting > > > recovery command: "SELECT > > > > > pgpool_recovery('pgpool_recovery_pitr', > > > '172.16.63.10', > > > > '/opt/PostgreSQL/8.3/data')" > > > > 2009-04-06 18:28:33 DEBUG: pid 25867: > exec_recovery: > > > start recovery > > > > 2009-04-06 18:28:33 ERROR: pid 25867: > exec_recovery: > > > pgpool_recovery_pitr > > > > command failed at 2nd stage > > > > 2009-04-06 18:28:33 DEBUG: pid 25867: > exec_recovery: > > > finish recovery > > > > 2009-04-06 18:28:33 DEBUG: pid 25867: > pcp_child: > > > received PCP packet type > > > > of service 'X' > > > > 2009-04-06 18:28:33 DEBUG: pid 25867: > pcp_child: > > > client disconnecting. > > > > close connection > > > > > > > > Thanks! > > > > Harold > > > > > > > > > > > > > > > > > > > > > > > > > > > > ------------------------------ > > > > > > > > Message: 3 > > > > Date: Mon, 6 Apr 2009 16:42:20 -0700 (PDT) > > > > From: Harold Lim <[email protected]> > > > > Subject: [Pgpool-general] Online recovery + > WAL > > > archiving > > > > To: [email protected] > > > > Message-ID: > > > > <[email protected]> > > > > Content-Type: text/plain; charset=us-ascii > > > > > > > > > > > > Hi, > > > > > > > > I'm currently looking at the pgpool-ii > > > beginner's guide. > > > > I'm mainly interested in online recovery > (e.g, > > > dynamically adding a new > > > > postgresql node). > > > > > > > > Do I have to enable wal archiving for all of > my node? > > > or just for my first > > > > node? > > > > > > > > > > > > > > > > Thanks!, > > > > Harold > > > > > > > > > > > > > > > > > > > > > > > > > > > > ------------------------------ > > > > > > > > > _______________________________________________ > > > > Pgpool-general mailing list > > > > [email protected] > > > > > http://pgfoundry.org/mailman/listinfo/pgpool-general > > > > > > > > > > > > End of Pgpool-general Digest, Vol 53, Issue > 5 > > > > > ********************************************* > > > > > > > > > > > > _______________________________________________ Pgpool-general mailing list [email protected] http://pgfoundry.org/mailman/listinfo/pgpool-general
