| |
|
RSS Feed - WebSphere MQ Support
|
RSS Feed - Message Broker Support
|
  |
|
| Questions of HA on Broker 7 |
« View previous topic :: View next topic » |
| Author |
Message
|
| dprogwmb |
 Posted: Fri Sep 23, 2011 5:06 pm Post subject: Questions of HA on Broker 7 |
 |
|
Voyager
Joined: 19 Jul 2011
Posts: 96
|
Hi all,
I have to do an installation of Message Broker 7 with High availability (HA) using the native solution of the Broker.
I have been searching and I'm a bit confused... the shared directories where are kept? a)In the Active Broker Machine 1 (and then It shares them with the Passive Machine Broker 2) ?
or are kept in b) Another machine -lets call it Machine 3- (different from Active Broker Machine 1 and Passive Broker Machine 2)?
Another question is that in my architecture I have an WBI JDBC adapter, and If Active Broker machine 1 fails then the adapter would keep consuming the messages, but no Broker will process them.... what can I do in order to automatize the detection of failure of Message Broker 1 for the WBI JDBC Adapter?
So that are were my 2 questions:
1)One related to ; The machine that holds the shared folder for the HA?
2)The other related to Automatize the detection of fail of the Message Broker, by the WBI JDBC Adapter?
REGARDS YOUU * please do not use * |
|
| Back to top |
|
 |
| fjb_saper |
| Posted: Fri Sep 23, 2011 6:54 pm Post subject: |
|
|
Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
|
The shared data should be on a SAN version 4 (minimum).
Talk to your friendly network and storage expert about this.
If you are looking at a failure of the broker without failure of the QMGR, I would hope that you can simply reprocess when the qmgr and broker come up on the failover box.
In the meantime what would be the behavior of the adapter if the broker is not running but the qmgr and adapter are ok?
Have fun 
_________________
MQ & Broker admin |
|
| Back to top |
|
|
| dprogwmb |
| Posted: Fri Sep 23, 2011 7:56 pm Post subject: mmm.. |
|
|
Voyager
Joined: 19 Jul 2011
Posts: 96
|
| fjb_saper wrote: |
The shared data should be on a SAN version 4 (minimum).
Talk to your friendly network and storage expert about this.
If you are looking at a failure of the broker without failure of the QMGR, I would hope that you can simply reprocess when the qmgr and broker come up on the failover box.
In the meantime what would be the behavior of the adapter if the broker is not running but the qmgr and adapter are ok?
Have fun |
But the SAN (with the shared data ), where does it "live" ? In the active instace? or in other server? Do I need to have 3 boxes (1 for active, 1 for passive, 1 for shared Data -contact admin- )? Or Just 2 boxes (1 for active, 1 for passive)? What happens if the box that was active "die" if I don't have another server location for the shared data?
If the Broker is not running, then the JDBC adapter would enqueue all the messages... and then when the Broker recovers would reprocess that enqueued messages ....(there's one message flow that consumes messages from that queue...with an MQInput node)
If QMGR fails then the adapter won't be able to write to the queue... I think that may be in this point, we have to make some modifications on the adapter to RE-CONNECT to the queue manager that was passive, and that now is active... don't you think so?
THANKS AGAIN. |
|
| Back to top |
|
|
| fjb_saper |
| Posted: Sat Sep 24, 2011 4:51 am Post subject: |
|
|
Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
|
| fjb_saper wrote: |
The shared data should be on a SAN version 4 (minimum).
Talk to your friendly network and storage expert about this. |
There is no way around it. So quit trying and go talk to your experts! 
_________________
MQ & Broker admin |
|
| Back to top |
|
|
| mqjeff |
| Posted: Sat Sep 24, 2011 9:53 am Post subject: Re: Questions of HA on Broker 7 |
|
|
Grand Master
Joined: 25 Jun 2008
Posts: 17447
|
| dprogwmb wrote: |
So that are were my 2 questions:
1)One related to ; The machine that holds the shared folder for the HA? |
You could just buy a disk subsystem that is connected to both machines.
Or you could buy additional machines that provide shared disk. Or you could buy some kind of storage appliance.
By the way, when fjb_saper uses the meaningless term "SAN version 4 at least" what he means is "NFS version 4". Other Storage Area Network technologies are usable, as are other Network Area Storage devices, to enable a Highly Available Broker.
| dprogwmb wrote: |
| 2)The other related to Automatize the detection of fail of the Message Broker, by the WBI JDBC Adapter? |
You convert your flows to start by using the DatabaseInput node instead of using the obsolete and failure prone JDBC Adapter. |
|
| Back to top |
|
|
|
|
|
| |
|
Page 1 of 1 |
|
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
|
|
|
|
