[Pgpool-general] online recovery fails on HPUX
Sandeep Thakkar
sandeeptt at yahoo.com
Fri Sep 16 05:56:59 UTC 2011
okay. That was some x/open socket issue on HP. Thanks guys.
________________________________
From: Sandeep Thakkar <sandeeptt at yahoo.com>
To: Lazaro Rubén García Martinez <lgarciam at vnz.uci.cu>; Jose Mendoza <jose.mendoza at autonomy.com>; "pgpool-general at pgfoundry.org" <pgpool-general at pgfoundry.org>
Sent: Thursday, September 15, 2011 4:27 PM
Subject: Re: [Pgpool-general] online recovery fails on HPUX
Thanks. I have the following entry in pg_hba.conf since my pgpool runs on the same host.
host replication edb 127.0.0.1/32 trust
I also use pcp.conf for online recovery. Is it really needed when I do not use md5 authentication?
So, my configuration looks fine. Then why do I see this error?
________________________________
From: Lazaro Rubén García Martinez <lgarciam at vnz.uci.cu>
To: Sandeep Thakkar <sandeeptt at yahoo.com>; Jose Mendoza <jose.mendoza at autonomy.com>; "pgpool-general at pgfoundry.org" <pgpool-general at pgfoundry.org>
Sent: Wednesday, September 14, 2011 7:11 PM
Subject: RE: [Pgpool-general] online recovery fails on HPUX
If you want md5 authentication between
postgresql and pgpool, you need enable pool_hba property, configure pg_hba.conf
and create a pool_passwd file. This file contains an user and password for
connecting pgpool with database server. But, if md5 authentication is not used,
for instance clear text password (password) the configuration can look like
this:
In pgpool.conf
enable_pool_hba = false
# - online recovery -
# online recovery user
recovery_user = 'postgres'
# online recovery password
recovery_password
= 'postgres'
In pg_hba.conf
# TYPE DATABASE
USER CIDR-ADDRESS METHOD
host
all all {Pgpool IP} password
In case of trust authentication the
configuration looks like this:
In pgpool.conf
enable_pool_hba = false
# - online recovery -
# online recovery user
recovery_user = 'postgres'
# online recovery password
recovery_password
= ''
In pg_hba.conf
# TYPE DATABASE
USER CIDR-ADDRESS METHOD
host
all all {Pgpool IP} trust
Regards
De:pgpool-general-bounces at pgfoundry.org
[mailto:pgpool-general-bounces at pgfoundry.org] En nombre de Sandeep
Thakkar
Enviado el: miércoles, 14 de septiembre de 2011 07:50
Para: Sandeep Thakkar; Jose Mendoza; pgpool-general at pgfoundry.org
Asunto: Re: [Pgpool-general] online recovery fails on HPUX
I have set "enable_pool_hba = false" in pgpool.conf and do not use pool_hba.conf. Do we need to enable this? How does the client authentication works when pool_hba.conf is disabled?
________________________________
From:Sandeep
Thakkar <sandeeptt at yahoo.com>
To: Sandeep Thakkar <sandeeptt at yahoo.com>; Jose Mendoza
<jose.mendoza at autonomy.com>; "pgpool-general at pgfoundry.org"
<pgpool-general at pgfoundry.org>
Sent: Wednesday, September 14, 2011 4:33 PM
Subject: Re: [Pgpool-general] online recovery fails on HPUX
I still face this issue and I wonder why do I see the following
error in the pgpool log:
2011-09-14 04:48:52 LOG: pid 10268: starting
recovering node 1
2011-09-14 04:48:53 ERROR: pid 10268: start_recover: could not connect master
node.
Please help! Thanks
________________________________
From:Sandeep
Thakkar <sandeeptt at yahoo.com>
To: Sandeep Thakkar <sandeeptt at yahoo.com>; Jose Mendoza
<jose.mendoza at autonomy.com>; "pgpool-general at pgfoundry.org"
<pgpool-general at pgfoundry.org>
Sent: Tuesday, September 13, 2011 4:52 PM
Subject: Re: [Pgpool-general] online recovery fails on HPUX
I mean, pcp_remote_start contains "$PGCTL -w -D $DESTDIR
start". i.e without SSH
Sandeep.
________________________________
From:Sandeep
Thakkar <sandeeptt at yahoo.com>
To: Jose Mendoza <jose.mendoza at autonomy.com>;
"pgpool-general at pgfoundry.org" <pgpool-general at pgfoundry.org>
Sent: Tuesday, September 13, 2011 4:24 PM
Subject: Re: [Pgpool-general] online recovery fails on HPUX
Well, actually my database servers and pgpool running on the same
host, so my pcp_remote_start does not contains "$PGCTL -w -D $DESTDIR
start". i.e without SSH. This works fine on Linux, though.
Sandeep.
________________________________
From:Jose
Mendoza <jose.mendoza at autonomy.com>
To: pgpool-general at pgfoundry.org
Sent: Friday, September 2, 2011 12:47 PM
Subject: Re: [Pgpool-general] online recovery fails on HPUX
If you already have an sshkey defined and it’s the same user on
both servers then. I am not sure what could be causing the failure but
according to your log its an ssh auth issue.
Have you tried running a telnet test to the port to check that
is listening…
Jose
Autonomy Ops
verificare
tua hinc
From:Sandeep Thakkar [mailto:sandeeptt at yahoo.com]
Sent: Friday, September 02, 2011 12:05 AM
To: Jose Mendoza; pgpool-general at pgfoundry.org
Subject: Re: [Pgpool-general] online recovery fails on HPUX
Sorry, I didn't get you.. Actually, both the server
instances and the pgpool running on the same host.. Could this be an
issue of loopback?
________________________________
From:Jose
Mendoza <jose.mendoza at autonomy.com>
To: pgpool-general at pgfoundry.org
Sent: Friday, September 2, 2011 12:16 PM
Subject: Re: [Pgpool-general] online recovery fails on HPUX
SSh trust must be created on both server for all the accounts
involved in the recovery process.
I would add the ssh-keys the the user for pgpool and try again.
Jose
Autonomy Ops
verificare
tua hinc
From:Sandeep Thakkar [mailto:sandeeptt at yahoo.com]
Sent: Thursday, September 01, 2011 10:17 PM
To: Jose Mendoza; pgpool-general at pgfoundry.org
Subject: Re: [Pgpool-general] online recovery fails on HPUX
I can see the following lines in /tmp/pgpool.log:
......
2011-09-01 22:57:34 ERROR: pid 22975: check_replication_time_lag:
DB node is valid but no persistent connection
2011-09-01 22:57:34 DEBUG: pid 22936: health_check: 1 th DB node status: 3
2011-09-01 22:57:36 LOG: pid 23019: starting recovering node 1
2011-09-01 22:57:36 ERROR: pid 23019: start_recover: could not connect master
node.
2011-09-01 22:57:38 DEBUG: pid 22936: starting health checking
2011-09-01 22:57:38 DEBUG: pid 22936: health_check: 0 th DB node status: 1
2011-09-01 22:57:38 DEBUG: pid 22975: pool_ssl: SSL requested but SSL support
is not available
2011-09-01 22:57:38 DEBUG: pid 22975: s_do_auth: auth kind: 0
2011-09-01 22:57:38 DEBUG: pid 22975: s_do_auth: parameter status data received
2011-09-01 22:57:38 DEBUG: pid 22975: s_do_auth: parameter status data received
2011-09-01 22:57:38 DEBUG: pid 22975: s_do_auth: backend key data received
2011-09-01 22:57:38 DEBUG: pid 22975: s_do_auth: transaction state: I
2011-09-01 22:57:39 DEBUG: pid 22936: health_check: 1 th DB node status: 3
2011-09-01 22:57:39 ERROR: pid 22975: connect_inet_domain_socket: connect()
failed: Connection refused
2011-09-01 22:57:39 ERROR: pid 22975: make_persistent_db_connection: connection
to localhost(5445) failed
2011-09-01 22:57:39 DEBUG: pid 22975: do_query: kind: T
2011-09-01 22:57:39 DEBUG: pid 22975: num_fileds: 1
2011-09-01 22:57:39 DEBUG: pid 22975: do_query: kind: D
2011-09-01 22:57:39 DEBUG: pid 22975: do_query: kind: C
2011-09-01 22:57:39 DEBUG: pid 22975: do_query: kind: Z
2011-09-01 22:57:39 ERROR: pid 22975: check_replication_time_lag: DB node is
valid but no persistent connection
2011-09-01 22:57:43 DEBUG: pid 22936: starting health checking
......
________________________________
From:Sandeep Thakkar <sandeeptt at yahoo.com>
To: Jose Mendoza <jose.mendoza at autonomy.com>;
"pgpool-general at pgfoundry.org" <pgpool-general at pgfoundry.org>
Sent: Friday, September 2, 2011 10:10 AM
Subject: Re: [Pgpool-general] online recovery fails on HPUX
# Logging directory
logdir = '/tmp'
________________________________
From:Jose
Mendoza <jose.mendoza at autonomy.com>
To: pgpool-general at pgfoundry.org
Sent: Wednesday, August 31, 2011 10:28 PM
Subject: Re: [Pgpool-general] online recovery fails on HPUX
What does your pgpool.conf say about logging:
# Logging directory
logdir = '/var/log'
Jose
Autonomy Ops
verificare
tua hinc
From:pgpool-general-bounces at pgfoundry.org
[mailto:pgpool-general-bounces at pgfoundry.org] On Behalf Of Sandeep
Thakkar
Sent: Wednesday, August 31, 2011 4:58 AM
To: Sandeep Thakkar; pgpool-general at pgfoundry.org
Subject: Re: [Pgpool-general] online recovery fails on HPUX
I see following two lines when the pcp_recovery_node is
fired.. Also, I cannot find recovery.log, but recovery.conf is present in
standby cluster directory..
....
2011-08-31 05:49:22 LOG: pid 20430: starting
recovering node 1
2011-08-31 05:49:22 ERROR: pid 20430: start_recover: could not connect master
node.
....
The pg_hba.conf has the following entry:
# "local" is for Unix domain socket connections only
local
all
all
trust
# IPv4 local connections:
host
all
all
127.0.0.1/32
trust
# IPv6 local connections:
host
all
all
::1/128
trust
host
replication
edb
127.0.0.1/32
trust
________________________________
From:Sandeep Thakkar <sandeeptt at yahoo.com>
To: "pgpool-general at pgfoundry.org"
<pgpool-general at pgfoundry.org>
Sent: Tuesday, August 30, 2011 2:44 PM
Subject: [Pgpool-general] online recovery fails on HPUX
Hi,
I'm using Postgres Plus Advanced Server on HP-UX 11.31 and found that the
online recovery does not work here.
pgPool version is 3.0.3-4
$pcp_recovery_node -d 20 localhost 9898 edb edb 1
DEBUG: send: tos="R", len=41
DEBUG: recv: tos="r", len=21, data=AuthenticationOK
DEBUG: send: tos="D", len=6
DEBUG: recv: tos="e", len=20, data=recovery failed
DEBUG: command failed. reason=recovery failed
BackendError
DEBUG: send: tos="X", len=4
I can see the following in the log:
....
LOG: incomplete startup packet
LOG: connection failed during start up processing: user= database=
....
Moreover, I do not see pgpool_recovery_node statement in the log, so wondering
if it is really getting executed. I have tried my scripts on Linux and it
worked all fine. So, there is no issue with the pgpool.conf or my basebackup
and other files.. Could this be an issue of HPUX?
Thanks.
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