| Author |
Message
|
| shishkebab |
 Posted: Tue Apr 10, 2012 1:42 pm Post subject: Broker migration from AIX 5.3 to AIX 7.1 Power 7 machine |
 |
|
Newbie
Joined: 31 Jan 2008
Posts: 5
|
We are planning to move MQ/Broker v 7.0 to a new AIX Power7 OS v 7.1 servers. Currently MQ/Broker v 7.0 are running on servers with AIX OS v5.3
Can mqsibackupbroker/mqsirestorebroker be used to migrate the broker from AIX 5.3 to AIX 7.1?
According to IBM documentation, 'You can back up the broker and its resources to preserve the current state of the broker configuration. You can use the backup file that is created to restore a broker in an identical operating environment: the operating system must be at the same level, and the broker and queue manager names must be identical'.
However, according to WMB L2 Support , "the only requirement is your xlC++ libraries on AIX OS that should be at least 11.1."
Can somebody clarify?  |
|
| Back to top |
|
 |
| fjb_saper |
| Posted: Tue Apr 10, 2012 9:21 pm Post subject: |
|
|
Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
|
You need to seek clarification through a PMR. 
_________________
MQ & Broker admin |
|
| Back to top |
|
|
| lancelotlinc |
| Posted: Wed Apr 11, 2012 5:46 am Post subject: Re: Broker migration from AIX 5.3 to AIX 7.1 Power 7 machine |
|
|
Jedi Knight
Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA
|
| shishkebab wrote: |
We are planning to move MQ/Broker v 7.0 to a new AIX Power7 OS v 7.1 servers. Currently MQ/Broker v 7.0 are running on servers with AIX OS v5.3
Can mqsibackupbroker/mqsirestorebroker be used to migrate the broker from AIX 5.3 to AIX 7.1?
According to IBM documentation, 'You can back up the broker and its resources to preserve the current state of the broker configuration. You can use the backup file that is created to restore a broker in an identical operating environment: the operating system must be at the same level, and the broker and queue manager names must be identical'.
However, according to WMB L2 Support , "the only requirement is your xlC++ libraries on AIX OS that should be at least 11.1."
Can somebody clarify? |
Wow great move !! Congratulations. Your management has awesome foresight !.
The answer to your question is, no you cannot do it the way you proposed. The binary that runs on Power7 is not the same binary executable that runs on AIX5.x.
You need to redeploy your message flows on the new broker. Seeing how much intelligence your management has, I would also guess you have a source code control system and a repeatable build process in place.
PMRs are a great source of information. Let us know if they have other options.
_________________
http://leanpub.com/IIB_Tips_and_Tricks
Save $20: Coupon Code: MQSERIES_READER |
|
| Back to top |
|
|
| zpat |
| Posted: Wed Apr 11, 2012 6:31 am Post subject: |
|
|
Jedi Council
Joined: 19 May 2001
Posts: 5866
Location: UK
|
I am confused about your binary statement.
Does deploying a bar file does create a OS specific binary?
Would mqsireload be enough to overcome the issue? |
|
| Back to top |
|
|
| mqjeff |
| Posted: Wed Apr 11, 2012 6:39 am Post subject: |
|
|
Grand Master
Joined: 25 Jun 2008
Posts: 17447
|
mqsirestorebroker assumes you have already installed the proper runtime binaries of Broker.
If L2 says that you only need to be concerned about the level of the C++ runtime, and not the specific version of AIX, then you should take that as all the validation you need.
Then run tests against the migrated broker, and if it breaks, reopen the PMR and apply a trout. |
|
| Back to top |
|
|
| lancelotlinc |
| Posted: Wed Apr 11, 2012 6:52 am Post subject: |
|
|
Jedi Knight
Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA
|
| zpat wrote: |
I am confused about your binary statement.
Does deploying a bar file does create a OS specific binary?
Would mqsireload be enough to overcome the issue? |
WMB on AIX 5 allocates memory differently than WMB on POWER7 AIX 7.1. As mqjeff points out, these differences may be mitigated by now through the mqsi command set. It used to be that you could not backup from one and restore on the other. This may not be current info. PMRs rule.
The sure fire way to migrate, IMHO (thanks Vitor), is to redeploy the bars, not backup and restore. A repeatable build process would have made this possible.
_________________
http://leanpub.com/IIB_Tips_and_Tricks
Save $20: Coupon Code: MQSERIES_READER |
|
| Back to top |
|
|
| shishkebab |
| Posted: Wed Apr 11, 2012 9:10 am Post subject: |
|
|
Newbie
Joined: 31 Jan 2008
Posts: 5
|
Thank you, folks, for your input.
Since the backup broker command simply packages the contents of the broker registry, components and config directories, I hope moving the broker between different versions of the same platform will not cause any problem. Thougths? |
|
| Back to top |
|
|
| zpat |
| Posted: Wed Apr 11, 2012 9:39 am Post subject: |
|
|
Jedi Council
Joined: 19 May 2001
Posts: 5866
Location: UK
|
I agree. I don't see how it is any different from upgrading AIX in place.
One minute the world outside WMB Is AIX 5, the next it is AIX 7 - so what?
As long as WMB supports both levels of AIX (and C libraries etc) - should be portable.
Otherwise you are saying that an upgrade of the OS (even in situ) requires a redeploy? |
|
| Back to top |
|
|
| mqjeff |
| Posted: Wed Apr 11, 2012 9:55 am Post subject: |
|
|
Grand Master
Joined: 25 Jun 2008
Posts: 17447
|
| shishkebab wrote: |
| Thougths? |
Stop asking us.
The PMR you opened answered your question. It works for what you want to do.
If it fails, reopen the PMR. |
|
| Back to top |
|
|
|
|
