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MQSeries.net Forum Index » General IBM MQ Support » MESNS-I-855 Idea to fix Split Brain for RDQM

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JosephGramig
PostPosted: Mon Dec 01, 2025 6:58 am    Post subject: MESNS-I-855 Idea to fix Split Brain for RDQM Reply with quote

Grand Master

Joined: 09 Feb 2006
Posts: 1247
Location: Gold Coast of Florida, USA

This "Idea" is to resolve the issue where the Primary site goes away unexpectedly and the Recovery sight has been made Primary and started.

When the old Primary site recovers and starts, it causes Split Brain when it should detect the Recovery site is now the Primary site and not start.

Please vote for this.

If this is a dup, then my search on MESNS-I-855 didn't work.
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fjb_saper
PostPosted: Tue Dec 02, 2025 7:08 am    Post subject: Reply with quote

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Joined: 18 Nov 2003
Posts: 20771
Location: LI,NY

Voted
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JosephGramig
PostPosted: Wed Dec 03, 2025 4:57 am    Post subject: New Topic? "IBM MQ HA Configuration and Issues" Reply with quote

Grand Master

Joined: 09 Feb 2006
Posts: 1247
Location: Gold Coast of Florida, USA

fjb_saper wrote:
Voted

@fjb_saper I don't know if you are the current moderator of this topic but I'm suggesting a new Topic as indicated in this reply's title.

This would be a good way to group MI, OS HA software, RDQM and Native HA solutions.
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fjb_saper
PostPosted: Sat Dec 06, 2025 7:13 am    Post subject: Re: New Topic? "IBM MQ HA Configuration and Issues" Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20771
Location: LI,NY

JosephGramig wrote:
fjb_saper wrote:
Voted

@fjb_saper I don't know if you are the current moderator of this topic but I'm suggesting a new Topic as indicated in this reply's title.

This would be a good way to group MI, OS HA software, RDQM and Native HA solutions.

That would be something you'd need to ask Mehrdad to do. Oh wait he dissolved cressida beginning of the year...
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JosephGramig
PostPosted: Sat Dec 06, 2025 9:40 am    Post subject: Re: New Topic? "IBM MQ HA Configuration and Issues" Reply with quote

Grand Master

Joined: 09 Feb 2006
Posts: 1247
Location: Gold Coast of Florida, USA

fjb_saper wrote:
That would be something you'd need to ask Mehrdad to do. Oh wait he dissolved cressida beginning of the year...

Does this mean MQSeries.net is defunct?
Was that the beginning of 2025 or 2026?

If so, I wonder if we can make a MQSeries.net Slack Organization with Channels=Topics, Posts=Posts and all replies to be in a Thread that goes with the Post.
Maybe all that exists already...

If this is the end of MQSeries.net, then it has been a good long and fun ride. All good things come to an end.

Rome did. England did. The USA will. Earth most certainly will. Maybe man kind will.

Happy Thoughts is this cheery season!
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hughson
PostPosted: Mon Dec 08, 2025 2:17 am    Post subject: Re: New Topic? "IBM MQ HA Configuration and Issues" Reply with quote

Padawan

Joined: 09 May 2013
Posts: 1976
Location: Bay of Plenty, New Zealand

JosephGramig wrote:
Was that the beginning of 2025 or 2026?

It would appear that Cressida Technology Ltd (UK) was dissolved on 25th March 2025.

See CRESSIDA TECHNOLOGY LTD Company number 04310473: Filing History on UK Companies House website

The mqseries.net domain's registration was last updated on 2025-10-21 which is after Cressida was dissolved. WHOIS will only show the registrant as being in Surrey, but nothing beyond that. Presumably still Mehrdad but not Cressida?

If you need to contact the admin, there's a mailto link here: https://www.mqseries.net/misc.html

Cheers,
Morag
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