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| charanR |
 Posted: Thu Mar 14, 2019 2:29 pm Post subject: RDQM 9.1 resize filesystem |
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Apprentice
Joined: 05 Oct 2017
Posts: 28
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Hello,
Is there a way to resize the filesystem in RDQM HA or DR scenario ? I see there is "setmqsize" command for MQ appliance but couldn't find anything for MQ 9.1 installed on RHEL. |
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| gbaddeley |
| Posted: Thu Mar 14, 2019 2:47 pm Post subject: |
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Jedi Knight
Joined: 25 Mar 2003
Posts: 2538
Location: Melbourne, Australia
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On UNIX/Linux systems, the OS disk file systems where MQ data and MQ recovery logs are stored can be resized using the normal OS commands for doing so. This can be done while MQ is running.
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Glenn |
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| charanR |
| Posted: Thu Mar 14, 2019 3:40 pm Post subject: |
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Apprentice
Joined: 05 Oct 2017
Posts: 28
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| gbaddeley wrote: |
| On UNIX/Linux systems, the OS disk file systems where MQ data and MQ recovery logs are stored can be resized using the normal OS commands for doing so. This can be done while MQ is running. |
OK. just wanted to make sure that those lvm commands are safe to run. RDQM DR is creating multiple logical volumes for the queuemanager. I want to make sure resizing them wont create any issues. |
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| bruce2359 |
| Posted: Thu Mar 14, 2019 3:49 pm Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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| charanR wrote: |
| I want to make sure resizing them wont create any issues. |
Of course, you will test this process in a TEST environment, yes?
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I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| hughson |
| Posted: Thu Mar 14, 2019 9:34 pm Post subject: |
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Padawan
Joined: 09 May 2013
Posts: 1959
Location: Bay of Plenty, New Zealand
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| charanR wrote: |
| gbaddeley wrote: |
| On UNIX/Linux systems, the OS disk file systems where MQ data and MQ recovery logs are stored can be resized using the normal OS commands for doing so. This can be done while MQ is running. |
OK. just wanted to make sure that those lvm commands are safe to run. RDQM DR is creating multiple logical volumes for the queuemanager. I want to make sure resizing them wont create any issues. |
I would be surprised if just changing the size of volumes on disk would be enough. When you create an RDQM you tell it the size of the volume, e.g:-
| Code: |
| crtmqm -sxs -fs 1000M MQG1 |
If you don't tell it a size, the default value for the -fs flag is 3 Gigabytes (not 3MB as Knowledge Center says!)
I see nothing in Knowledge Center that suggests you can change that size after the queue manager is created.
I will ping a Hursley contact and ask them to have a look at this thread so that you can get a definitive answer.
Cheers,
Morag
_________________
Morag Hughson @MoragHughson
IBM MQ Technical Education Specialist
Get your IBM MQ training here!
MQGem Software |
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| charanR |
| Posted: Fri Mar 15, 2019 2:49 am Post subject: |
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Apprentice
Joined: 05 Oct 2017
Posts: 28
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| Thank you Morag. I also reached out to IBM support with more questions than these but this one is troubling me a lot so posted this question here. |
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| charanR |
| Posted: Fri Mar 15, 2019 4:54 am Post subject: |
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Apprentice
Joined: 05 Oct 2017
Posts: 28
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| bruce2359 wrote: |
Of course, you will test this process in a TEST environment, yes? |
Before I do anything and go through the hassle of recovery. I wanted ask few questions if anyone faced similar issue. |
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| john_colgrave |
| Posted: Fri Mar 15, 2019 7:14 am Post subject: |
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Newbie
Joined: 02 Jun 2014
Posts: 7
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| You cannot change the filesystem size for an RDQM. |
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| bruce2359 |
| Posted: Fri Mar 15, 2019 7:20 am Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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| john_colgrave wrote: |
| You cannot change the filesystem size for an RDQM. |
Why not? Please cite a source.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| john_colgrave |
| Posted: Fri Mar 15, 2019 7:47 am Post subject: |
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Newbie
Joined: 02 Jun 2014
Posts: 7
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There is a dedicated logical volume created for each RDQM and the filesystem is automatically created as part of crtmqm to fill the logical volume.
I designed RDQM. |
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| hughson |
| Posted: Fri Mar 15, 2019 1:50 pm Post subject: |
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Padawan
Joined: 09 May 2013
Posts: 1959
Location: Bay of Plenty, New Zealand
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| bruce2359 wrote: |
| john_colgrave wrote: |
| You cannot change the filesystem size for an RDQM. |
Why not? Please cite a source. |
Let me introduce John Colgrave, from IBM Hursley, the lead architect of RDQM. He is the source!
Cheers,
Morag
_________________
Morag Hughson @MoragHughson
IBM MQ Technical Education Specialist
Get your IBM MQ training here!
MQGem Software |
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| bruce2359 |
| Posted: Fri Mar 15, 2019 2:37 pm Post subject: |
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Poobah
Joined: 05 Jan 2008
Posts: 9469
Location: US: west coast, almost. Otherwise, enroute.
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I bow to the source.
_________________
I like deadlines. I like to wave as they pass by.
ב''ה
Lex Orandi, Lex Credendi, Lex Vivendi. As we Worship, So we Believe, So we Live. |
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| charanR |
| Posted: Mon Mar 18, 2019 6:47 am Post subject: |
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Apprentice
Joined: 05 Oct 2017
Posts: 28
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| john_colgrave wrote: |
There is a dedicated logical volume created for each RDQM and the filesystem is automatically created as part of crtmqm to fill the logical volume.
I designed RDQM. |
I see. If I find out that logical volume isn't sufficient in future, what's the best way for me to increase the size ? Is it recreating the queue manager again ? |
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| ftdmnt1600 |
| Posted: Wed Apr 03, 2019 12:25 am Post subject: |
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Novice
Joined: 20 Jul 2018
Posts: 11
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| john_colgrave wrote: |
There is a dedicated logical volume created for each RDQM and the filesystem is automatically created as part of crtmqm to fill the logical volume.
I designed RDQM. |
Thanks John |
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| umatharani |
| Posted: Sun Nov 03, 2019 8:30 pm Post subject: |
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Apprentice
Joined: 23 Oct 2008
Posts: 39
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