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Re: Error: DR: Couldn't send add dbspace/chunk....

Posted By:
Date: Tuesday, 13 August 2013, at 10:03 a.m.

In Response To: Re: Error: DR: Couldn't send add dbspace/chunk req (JACQUES RENAUT)

I had a similar issue once.
I eventually dropped the secondary, added the space then re-established
I wish I had pursued it further with a PMR.

I later discovered that one of the DB in my instance ( I was not the actual
owner ) was a non-logged DB. I expect that was related to the issue.
Informix will not allow logging to be turned on, on a non-logged DB in and
HDR pair ( or if there is an RSS instance ) I am not certain about SDS,
never had reason to try.

Check through sysmaster:sysdatabases or onmonitor if any of your DB are
non-logged. Also any raw tables within a DB will short circuit HDR
replication and possible produce the same results.

I am just curious. Let us know.



Date: 08/13/2013 08:50 AM
Subject: Re: Error: DR: Couldn't send add dbspace/chunk.... [31172]
Sent by:

Original Post:


We have primary Instance: IBM Informix Dynamic Server Version 11.70.FC3 --
On-Line (Prim) -- Up 38 days 01:40:22 -- 2428320 Kbytes

Both primary and secondary with HDR on IBM Power 7 with AIX 6.1 (64 Bits)


AIX DCCPLD02 1 6 00F633A24C00


AIX DCMPLD02 1 6 00F633A64C00

IBM Informix Dynamic Server Version 11.70.FC3 -- Read-Only (Sec) -- Up 39
20:40:53 -- 2428320 Kbytes

And every time we tryed to add a new chunk to Dbspaces we get this error

onspaces -a datos00 -p /ifxpld02/chunks/datos00_16 -o 0 -s 4096000
Verifying physical disk space, please wait ...
DR: Couldn't send add dbspace/chunk request to HDR secondary


I've seen this before, but it involved demoting a HDR secondary to a RSS,
it involved something set in HA_ALIAS on the secondary server that the
secondary then connected to the primary as, but that HA_ALIAS server name
didn't exist on the primary's sqlhosts file. I looked at the sqlhosts and
onconfig files you uploaded and that doesn't look like that's the problem.
you need to get the space added, if you bring your HDR secondary down
(assuming the chunk path exists and is set up correctly etc...) add the
on the primary, and then bring your secondary up and it should add the
to the secondary via logical recovery. With the secondary down, it stops
code from trying to send a request to the secondary to verify the space
exists...and in the case I was talking about, that was what the server was
having the problem with, it couldn't connect to the RSS to send the request
it wouldn't add the space while the RSS was up. So I don't know why you are

getting that error, but you should be able to possibly work around the
by adding the space while the secondary is off-line.

Jacques Renaut
IBM Informix Advanced Support
APD Team


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