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ssl3 errors in replication.

From: Mario Splivalo <mario(dot)splivalo(at)megafon(dot)hr>
To: "pgsql-admin(at)postgresql(dot)org" <pgsql-admin(at)postgresql(dot)org>
Subject: ssl3 errors in replication.
Date: 2012-02-02 07:36:35
Message-ID: 4F2A3D03.20405@megafon.hr (view raw or flat)
Thread:
Lists: pgsql-admin
I have these errors in my log files, occurring very often:

2012-02-02 01:05:53 CST [4103]: [2-1] user=,db= FATAL:  could not
receive data from WAL stream: SSL error: sslv3 alert unexpected message
	
2012-02-02 01:05:58 CST [20507]: [301-1] user=,db= LOG:  invalid magic
number 0000 in log file 970, segment 37, offset 15728640
2012-02-02 01:05:58 CST [4104]: [1-1] user=,db= LOG:  streaming
replication successfully connected to primary
2012-02-02 01:14:28 CST [4104]: [2-1] user=,db= FATAL:  could not
receive data from WAL stream: SSL error: sslv3 alert unexpected message
	
2012-02-02 01:14:33 CST [20507]: [302-1] user=,db= LOG:  unexpected
pageaddr 3C9/CBE6A000 in log file 970, segment 196, offset 15114240
2012-02-02 01:14:33 CST [4212]: [1-1] user=,db= LOG:  streaming
replication successfully connected to primary
2012-02-02 01:15:10 CST [4212]: [2-1] user=,db= FATAL:  could not
receive data from WAL stream: SSL error: sslv3 alert unexpected message
	
2012-02-02 01:15:10 CST [20507]: [303-1] user=,db= LOG:  unexpected
pageaddr 3C9/B0F80000 in log file 970, segment 227, offset 16252928
2012-02-02 01:15:10 CST [4269]: [1-1] user=,db= LOG:  streaming
replication successfully connected to primary


These are happening every few minutes. This started happening when I
upgraded master and slave from 9.1.1 to 9.1.2 (upgrade was related to
often segfaulting of slave when additional load was put onto WALs - a
lot of DML on the master made slave segfault). Befure the upgrade I had
'sslv3 alert' issues maybe once every few days.

I've added another slave to the setup, and I have same issues there as
on the other slave - the difference is that the newly added slave has no
clients connected to it.

This is all set up on 64bit debian squeeze upgraded to latest packages,
where postgres 9.1.2 is installed from backports repositories:

postgres=# select version();
                                                version

-------------------------------------------------------------------------------------------------------
 PostgreSQL 9.1.2 on x86_64-unknown-linux-gnu, compiled by gcc-4.6.real
(Debian 4.6.2-9) 4.6.2, 64-bit
(1 row)

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Subject: Getting master host info from a slave
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