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IDS Forum

Re: HDR not working

Posted By: Marcus Haarmann
Date: Tuesday, 31 January 2012, at 6:42 a.m.

In Response To: HDR not working (DERRICK MULLER)

Hi,

can you check if IP port is up on both sides (netstat -an | grep 9088) and
if servers trust each other (.rhosts or hosts.equiv, check via dbaccess to connect without password from sec to prim).

Marcus

----- Ursprüngliche Mail -----

Von: "DERRICK MULLER" <derrick@xact.co.za>
An: ids@iiug.org
Gesendet: Dienstag, 31. Januar 2012 12:00:02
Betreff: HDR not working [26093]

Newbie to Informix
Cannot get HDR to work. Can anyone help?
Thanks
Derrick Muller

Secondary stays in Fast Recovery mode.
Here are configurations for both primary (runix) and secondary (backix)
Running SLE 11, IDS 11.70

PRIMARY
hostname:dm_runix
Instance: ol_dm_runix
service: ids_port

SECONDARY
hostname:dm_backix
Instance: ol_dm_backix
Service: ids_port

onconfig the same on both servers except for DBSERVERNAME

sqlhosts same on both servers as follows:
#=======================================================================
#DBSERVER PROTOCOL HOSTNAME SERVICE
#=======================================================================
ol_dm_runix onsoctcp dm_runix ids_port
ol_dm_backix onsoctcp dm_backix ids_port

/etc/services same on both servers:
ids_port 9088/tcp

informix@dm_runix:/opt$ ping dm_backix
PING dm_backix (10.211.55.16) 56(84) bytes of data.
64 bytes from dm_backix (10.211.55.16): icmp_seq=1 ttl=64 time=0.466 ms
64 bytes from dm_backix (10.211.55.16): icmp_seq=2 ttl=64 time=0.405 ms

informix@dm_backix:~$ ping dm_runix
PING dm_runix (10.211.55.15) 56(84) bytes of data.
64 bytes from dm_runix (10.211.55.15): icmp_seq=1 ttl=64 time=0.413 ms
64 bytes from dm_runix (10.211.55.15): icmp_seq=2 ttl=64 time=0.423 ms

PROCEDURE FOLLOWED:

1.) Primary On-line but NOT in HDR mode.

informix@dm_runix:/opt$ onstat -m
IBM Informix Dynamic Server Version 11.70.FC3IE -- On-Line -- Up 00:48:58 --
165600 Kbytes
(not errors in log)

Secondary off-line

2.) On primary ontape s L 0
Copy backup files to Secondary
Do a ontape p on secondary server

informix@dm_backix:~$ onstat -m
IBM Informix Dynamic Server Version 11.70.FC3IE -- Fast Recovery -- Up
00:00:22 -- 157408 Kbytes

3.) On Primary
informix@dm_runix:/opt$ onmode -d primary ol_dm_backix
informix@dm_runix:/opt$ onstat -m

IBM Informix Dynamic Server Version 11.70.FC3IE -- On-Line (Prim) -- Up
01:35:35 -- 165600 Kbytes

Message Log File: /var/log/informix/ol_dm_runix.log
12:14:02 Tue Jan 31 - loguniq 22, logpos 0x196d018, timestamp: 0x7ad27
Interval: 240

12:14:02 Maximum server connections 0
12:14:02 Checkpoint Statistics - Avg. Txn Block Time 0.000, # Txns blocked 0,
Plog used 2, Llog used 2

12:29:04 Checkpoint Completed: duration was 0 seconds.
12:29:04 Tue Jan 31 - loguniq 22, logpos 0x196f018, timestamp: 0x7ad36
Interval: 241

12:29:04 Maximum server connections 0
12:29:04 Checkpoint Statistics - Avg. Txn Block Time 0.000, # Txns blocked 0,
Plog used 2, Llog used 2

12:31:19 DR: new type = primary, secondary server name = ol_dm_backix
12:31:19 DR: Cannot connect to secondary server
12:31:19 DR: Turned off on primary server
12:44:07 Checkpoint Completed: duration was 0 seconds.
12:44:07 Tue Jan 31 - loguniq 22, logpos 0x197e018, timestamp: 0x7addc
Interval: 242

12:44:07 Maximum server connections 0
12:44:07 Checkpoint Statistics - Avg. Txn Block Time 0.000, # Txns blocked 0,
Plog used 19, Llog used 15

informix@dm_runix:/opt$ onstat -g dri

IBM Informix Dynamic Server Version 11.70.FC3IE -- On-Line (Prim) -- Up
01:33:24 -- 165600 Kbytes
Data Replication at 0x4c1691c0:
Type State Paired server Last DR CKPT (id/pg) Supports Proxy Writes
primary off ol_dm_backix -1 / -1 NA

DRINTERVAL 30
DRTIMEOUT 30
DRAUTO 0
DRLOSTFOUND /opt/IBM/informix/etc/dr.lostfound
DRIDXAUTO 0
ENCRYPT_HDR 0
Backlog 0
Nothing Sent
Nothing Received
No Pings

4.) On Secondary
informix@dm_backix:~$ onmode -d secondary ol_dm_runix
informix@dm_backix:~$ onstat -m

IBM Informix Dynamic Server Version 11.70.FC3IE -- Fast Recovery (Sec) -- Up
00:03:59 -- 157408 Kbytes

Message Log File: /var/log/informix/ol_dm_backix.log

12:44:21 Maximum server connections 0
12:44:21 Checkpoint Statistics - Avg. Txn Block Time 0.000, # Txns blocked 0,
Plog used 0, Llog used 0

12:44:21 Checkpoint Completed: duration was 0 seconds.
12:44:21 Tue Jan 31 - loguniq 22, logpos 0x188a018, timestamp: 0x7625b
Interval: 226

12:44:21 Maximum server connections 0
12:44:21 Checkpoint Statistics - Avg. Txn Block Time 0.000, # Txns blocked 0,
Plog used 0, Llog used 0

12:44:21 Physical Restore of root_dbs, dm_dat_dbs, dm_idx_dbs, llogs_dbs,
plogs_dbs, temp_dbs, sbspace_dbs Completed.
12:44:21 Checkpoint Completed: duration was 0 seconds.
12:44:21 Tue Jan 31 - loguniq 22, logpos 0x188a018, timestamp: 0x7627d
Interval: 226

12:44:21 Maximum server connections 0
12:47:50 DR: Reservation of the last logical log for log backup turned off
12:47:50 DR: new type = secondary, primary server name = ol_dm_runix
12:47:50 DR: Trying to connect to primary server = ol_dm_runix
12:47:50 DR: Cannot connect to primary server
12:47:50 DR: Turned off on secondary server

informix@dm_backix:~$ onstat -g dri

IBM Informix Dynamic Server Version 11.70.FC3IE -- Fast Recovery (Sec) -- Up
00:06:22 -- 157408 Kbytes

Data Replication at 0x4c1091c0:
Type State Paired server Last DR CKPT (id/pg) Supports Proxy Writes
HDR Secondary off ol_dm_runix -1 / -1 N

DRINTERVAL 30
DRTIMEOUT 30
DRAUTO 0
DRLOSTFOUND /opt/IBM/informix/etc/dr.lostfound
DRIDXAUTO 0
ENCRYPT_HDR 0
Backlog 0
Last Send 2012/01/31 12:44:16
Last Receive 2012/01/31 12:44:16
Last Ping 2012/01/31 12:44:16

*******************************************************************************
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