Upgrading Zimbra 8.0.5

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TitusI
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Joined: Fri Apr 15, 2016 2:54 pm

Upgrading Zimbra 8.0.5

Postby TitusI » Tue Oct 17, 2017 10:09 am

Hi, I have a zimbra 8.0.5 installation
Release 8.0.5_GA_5839.RHEL6_64_20130910123908 RHEL6_64 FOSS edition.

on a CentOS release 6.6 (Final)
2.6.32-504.1.3.el6.x86_64 x86_64 x86_64 x86_64 GNU/Linux

The system has not been updated for a long time, so i want to change this situation, and I need some suggestion.
First: I'll take a snapshot before made any change (first step I want to do a yum update...),
after this step a full backup of the /opt/zimbra folder is enough or I need to take another snapshot before update zimbra?

Starting from: 8.0.5_GA_5839 how many update can I make into a sigle step? I want to install the patch to 8.6.0 (zcs-patch-8.6.0_GA_1211)
can I do this into a single step or I need some intermediate patch? Or do you suggest anoter patch?

Any help/suggestion is really appreciated, I've searched the forum (install update section) but this seems to be old stuff, if there is any topic/documentation of reference please help me found it (eg a table of possible update...).

Thank you.


phoenix
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Re: Upgrading Zimbra 8.0.5

Postby phoenix » Tue Oct 17, 2017 10:29 am

I'd suggest the following (as this is a VM): install a new CentOS7 and update that; install the latest ZCS version on that CentOS7 server then use the ZeXtras Migration Tool to move your complete installation to the new server - it's quick, easy, it works and it's free to use.

BTW, there is plenty of advice all over the forums (not just in this section) and the Zimbra wiki that covers upgrading/moving your ZCS installation. You also shouldn't need any intermediate versions of ZCS, however, you should always read the Release Notes in detail to see if there's any issues that may affect your installation.
Regards

Bill

Rspamd: A high performance spamassassin replacement

If you'd like to see this implement in a future version of ZCS then please vote on Bugzilla entries 97706 & 108168
TitusI
Posts: 16
Joined: Fri Apr 15, 2016 2:54 pm

Re: Upgrading Zimbra 8.0.5

Postby TitusI » Tue Oct 17, 2017 11:03 am

phoenix wrote:I'd suggest the following (as this is a VM): install a new CentOS7 and update that; install the latest ZCS version on that CentOS7 server then use the ZeXtras Migration Tool to move your complete installation to the new server - it's quick, easy, it works and it's free to use.

BTW, there is plenty of advice all over the forums (not just in this section) and the Zimbra wiki that covers upgrading/moving your ZCS installation. You also shouldn't need any intermediate versions of ZCS, however, you should always read the Release Notes in detail to see if there's any issues that may affect your installation.


Thank you phonix! :)

This server is of a client, it is a virtual machine remotely hosted, I haven't another VM, so i need to do everything on this machine.
I suppose I can make a dist upgrade of the centos, and then upgrade/patch zimbra (I don't think a double installation of zimbra and zmextras is feasible I'm wrong?) do you think is feasible in this way?

Yes it's plenty of documentation, the problem is to found the correct one in such a sea :) 8.0.5 is a old version, so I had to dig into a lot of not related infos this is the reason because I ask for a hint.
TitusI
Posts: 16
Joined: Fri Apr 15, 2016 2:54 pm

Re: Upgrading Zimbra 8.0.5

Postby TitusI » Thu Oct 19, 2017 1:19 pm

Ok, a new server is been deployed (Centos 7) so the upgrade is no more an option.
I'll install the last zimbra Open Source. I've onle a doubt about DNS settings, I don't want to change them until the migration is complete, I suppose this is not a problem, but this is my first zimbra installation. I Go RTFM. ;)
phoenix
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Re: Upgrading Zimbra 8.0.5

Postby phoenix » Thu Oct 19, 2017 1:26 pm

If you don't want to see any DNS 'outage' then I'd suggest you add a DNS MX record at a lower priority for the new server, when you're ready for the changeover you can just remove your old MX record and mail should just arrive at the new server.
Regards

Bill

Rspamd: A high performance spamassassin replacement

If you'd like to see this implement in a future version of ZCS then please vote on Bugzilla entries 97706 & 108168
TitusI
Posts: 16
Joined: Fri Apr 15, 2016 2:54 pm

Re: Upgrading Zimbra 8.0.5

Postby TitusI » Mon Oct 23, 2017 2:11 pm

phoenix wrote:If you don't want to see any DNS 'outage' then I'd suggest you add a DNS MX record at a lower priority for the new server, when you're ready for the changeover you can just remove your old MX record and mail should just arrive at the new server.


Oh, thank you great hint!
I was, erroneously, convinced that MX records with different priorities are both active (mail some time go trough one some other times trough the other using the priority as a weight) but as you say if the one with the highest priority is up the other is never reached.

Thank you. :)

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