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MQSeries.net Forum Index » Mainframe, CICS, TXSeries » MQ servers upgrade to V8.0

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Ashok_Athipatla
PostPosted: Fri Nov 14, 2014 12:25 pm    Post subject: MQ servers upgrade to V8.0 Reply with quote

Newbie

Joined: 19 May 2014
Posts: 1

Currently we are using MQ V7.0 in Linux and Z/OS servers. We have more than 70 MQ clients who are using these MQ servers. We are planning to upgrade our servers to latest versions as End of support for V7.0 is Sep 2015. We are still checking whether to go to V8.0 or V7.5. Please suggest whether V8.0 is good option.
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mqjeff
PostPosted: Fri Nov 14, 2014 12:44 pm    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

v7.5 has additional security features on top of v7.0 - depending on exactly which release of v7.0 you're running on.

V8 has additional security features on top of v7.5.

So it may be "easier" to migrate to v7.5 and then plan to migrate to v8 next year.

But it may be less effort over all to migrate to v8 - provided you spend more time up front experimenting with the security features.
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cicsprog
PostPosted: Wed Mar 11, 2015 9:28 am    Post subject: Reply with quote

Partisan

Joined: 27 Jan 2002
Posts: 314

fyi

Migrating the mainframe MQMs you can't skip releases. You will need to migrate the mainframe from 7.0 to 7.1.0 to 8.0.
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dogbert64
PostPosted: Thu Mar 26, 2015 1:23 pm    Post subject: Reply with quote

Acolyte

Joined: 11 Jun 2003
Posts: 58

Migrating the mainframe MQMs you can't skip releases. You will need to migrate the mainframe from 7.0 to 7.1.0 to 8.0

Are you sure about that?

This link talks about going from v7.0.1 OR v7.1 to v8.0, and falling back.
http://www-01.ibm.com/support/knowledgecenter/SSFKSJ_8.0.0/com.ibm.mq.mig.doc/q122870_.htm

Migration support is provided from both WebSphere MQ version 7.0.1 and WebSphere MQ version 7.1.0 to IBM MQ for z/OS version 8.0.0.

Assuming he is at 7.0.1 on z/OS, (and not 7.0, which IIRC was pulled shortly after release), then with the proper PTFS he could jump straight to v8.0. If he is actually at v7.0, then your statement is correct (unless there is an IBM document which says you can go from v7.0 as well to v8.0....you never know with IBM).
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cicsprog
PostPosted: Fri Mar 27, 2015 9:23 am    Post subject: Reply with quote

Partisan

Joined: 27 Jan 2002
Posts: 314

Second sentence says to me you have to be at 7.1 before mig to v8

http://www-01.ibm.com/support/knowledgecenter/SSFKSJ_8.0.0/com.ibm.mq.mig.doc/q115445_.htm
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Vitor
PostPosted: Fri Mar 27, 2015 9:34 am    Post subject: Reply with quote

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Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA

cicsprog wrote:
Second sentence says to me you have to be at 7.1 before mig to v8

http://www-01.ibm.com/support/knowledgecenter/SSFKSJ_8.0.0/com.ibm.mq.mig.doc/q115445_.htm


This is IBM CYA. They say you should move to v7.1 first in Prod.

A few sentances down they say it's more appropriate to go from v7.0 -> v8.0 if you take backups first. I'm not sure who exactly would do any kind of migration without taking backups first, but there's bound to be one and IBM are accounting for that, and the demands of IBM's legal department.
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dogbert64
PostPosted: Fri Mar 27, 2015 10:09 am    Post subject: Reply with quote

Acolyte

Joined: 11 Jun 2003
Posts: 58

Reread the second sentence again, closely, and look at the section it is in.

For production systems you should, firstly, migrate the unsupported release of IBM® MQ to WebSphere® MQ version 7.1, following the instructions given in the documentation for that release.

The keyword is unsupported. It is saying that if you are at an unsupported release, then you should first go to v7.1, and then to v8.0. But v7.0.1 is also a supported release (at least until Sep 30, 2015). So the way I read this is that IBM is recommending to go from "unsupported release" --> v7.1 --> v8.0 than to go from "unsupported release" --> v7.0.1 --> v8.0. And that makes sense to me. But if someone wanted to choose the second path, then that would work as well (at least until Sep 30, 2015 - after that, don't count on support from IBM).

The link I provided specifically states you can fall back from v8.0 to v7.0.1. So if I was to believe that you MUST upgrade to v8.0 ONLY from v7.1, then why deliver fallback to v7.0.1 from v8.0?

Also, why would IBM provide a PTF (circa Nov 2014) to support something that cannot be done (to fallback to v7.0.1 after an upgrade to v8.0)?

http://www-01.ibm.com/support/docview.wss?uid=swg1PI19721&myns=swgws&mynp=OCSSFKSJ&mync=E

PI19721: BACKWARDS MIGRATION FROM V8 AND COEXISTENCE WITH V8

Allow V701 or V710 queue-manager backwards migration from V8,
and coexistence with a V8 queue-manager in a queue-sharing
group.
.
Additional keywords:
MQ0800C/K toleration

Local fix

Problem summary
****************************************************************
* USERS AFFECTED: All users of WebSphere MQ for z/OS Version 7 *
* Release 0 Modification 1 and Version 7 *
* Release 1 Modification 0 *
****************************************************************
* PROBLEM DESCRIPTION: Enable backward migration to version *
* 7.0.1 after a queue manager has been *
* started with the version 8.0.0 code.
*
* *
* Enable backward migration to version *
* 7.1.0 after a queue manager has been *
* started with the version 8.0.0 code. *
* *
* Enable version 7.0.1 queue managers to *
* co-exist in a queue sharing group with *
* version 8.0.0 queue managers. *
* *
* Enable version 7.1.0 queue managers to *
* co-exist in a queue sharing group with *
* version 8.0.0 queue managers. *
****************************************************************
* RECOMMENDATION: *
****************************************************************
PTFs for the backward migration APAR must be applied on version
7 queue managers prior to attempting fallback from IBM MQ for
z/OS version 8.0.0.


Version specific notes follow:

When reverting to Version 7.0.1 after running a queue manager at
version 8.0.0 the following should be considered
:
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bruce2359
PostPosted: Fri Mar 27, 2015 10:27 am    Post subject: Reply with quote

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Joined: 05 Jan 2008
Posts: 9394
Location: US: west coast, almost. Otherwise, enroute.

For most IBM products - z/OS and midrange, there are several v/r/m's that are supported for both co-existence and migration.

"Supported" means that it will work - with support if you need it. "Unsupported" does NOT mean that it won't work, only that you might be without support should you need it.

Long ago, I gave up being annoyed by having to install a hop or two software to get current. I've moved on to being annoyed by other things.
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