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Informix - Problem description

Problem IT33697 Status: Closed

DIRECT REMOTE SELECT TO PRI FROM LOCAL HDR / RSS WITH 4 CONNECTION
MANAGERS AND SLA GROUPS MAY RESULT IN 908 / 27001

product:
INFORMIX SERVER / 5725A3900 / C10 - IDS 12.10
Problem description:
This reproduces with IBM Informix 12.10.FC14 and IBM Informix
CSDK 4.50.FC3
This does NOT reproduce with IBM Informix 14.10.FC3 and IBM
Informix CSDK 4.50.FC3
This reproduces with 4 Connection Managers
This does NOT reproduce with 3 Connection Managers
This reproduces when Connection Manager SLAs are placed in a "CM
SLA Group" group
This does NOT reproduce when no Connection Manager SLAs are
placed in a "CM SLA Group" group

With 3 Connection Managers running and jj1210fc14a_tcp (running
on jj-1410fc3-a) the current HDR Secondary and jj1210fc14b_tcp
(running on jj-1410fc3-b) the current HDR Primary:
==========
[informix@jj-1410fc3-a ~]$ export INFORMIXSERVER=jj1210fc14a_tcp
[informix@jj-1410fc3-a ~]$ echo "select * from
sysmaster@jj1210fc14b_tcp:sysha_type" | dbaccess sysmaster

Database selected.

ha_type       1
ha_primary    jj1210fc14b_tcp
ha_secondary

1 row(s) retrieved.
==========
Starting a 4th Connection Manager and the following results
after a 60 second timeout (i.e. presuming LISTEN_TIMEOUT
reached):
==========
[informix@jj-1410fc3-a ~]$ echo "select * from
sysmaster@jj1210fc14b_tcp:sysha_type" | dbaccess sysmaster

Database selected.


  908: Attempt to connect to database server (jj1210fc14b_tcp,
conerr=-27001, oserr=0) failed.
Error in line 1
Near character position 51
==========
The following may be reported in the PRIMARY online.log
==========
13:07:48  (2) soctcp_sighand failed: ASF error: -25579, errno: 0
==========
Shutting down  any single Connection Manager and it works
Problem Summary:
****************************************************************
* USERS AFFECTED:                                              *
* Users of Informix 12.10.xC14 and earlier versions.           *
****************************************************************
* PROBLEM DESCRIPTION:                                         *
* DIRECT REMOTE SELECT TO PRI FROM LOCAL HDR / RSS WITH 4      *
* CONNECTION MANAGERS AND SLA GROUPS MAY RESULT IN 908 / 27001 *
****************************************************************
* RECOMMENDATION:                                              *
****************************************************************
Local Fix:
Upgrade to 14.10
Solution
Workaround
not known / see Local fix
Timestamps
Date  - problem reported    :
Date  - problem closed      :
Date  - last modified       :
27.07.2020
29.12.2020
29.12.2020
Problem solved at the following versions (IBM BugInfos)
Problem solved according to the fixlist(s) of the following version(s)
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