[asterisk-users] How to make upgrades with Asterisk

[Zeeshan Zakaria]

If it is a production server, you should not do the upgrade on it. Setup a
new server with upgraded software, migrate all the data, test it and make
sure it works fine. There are things like CDR and voicemail which are
constantly being updated, meaning just before the final migration, you
should copy them to the new server.

I have done some migrations and have found clonezilla to be a wonderful tool
for this purpose. You create a second server on any computer, and once it is
ready, clone it on a USB stick or CD, or on another computer via SSH, then
clone the production server for backup purposes on a medium of your choice,
and finally restore this new server image on to the production server. If
something goes wrong, you'll be able to restore the server back to its
functional state from the backup cloned image.

When I migrated my own production server from 1.2 to 1.4, I did the
rehearsal many times, and very carefully drafted the whole migation plan.
This also included asking all the users to copy and delete their voicemails
before the day of migration. It took me about two weeks in planning and
making sure every single setting will be migrated, before I was comfotable
to do the migration, which took hardly an hour, and went just perfectly
smooth.

Personally I am of the opinion that if it is not really necessary, don't
upgrade it. Will 1.6 give you something which you don't have in 1.4? It'll
have its own issues and learning curve. I tried it once and it was only a
pain for my setup, specially with real-time architecture, and a few other
things which I can't remember now.

--
Zeeshan A Zakaria

On 2010-03-22 10:48 PM, "Danny Dias" <ing.diasdanny at gmail.com> wrote:

Hello my friends,

I want to make upgrades for all my software, currently i have the following
versions:

Asterisk 1.4.21.2
Zaptel Version: 1.4.11
WANPIPE Release: 3.4.7
libpri version: 1.4.5

I want to make upgrade for the last version of Asterisk 1.4, the last
version of Zaptel (dahdi will be nice!), the newest libpri version and
wanpipe

What should i do? this is a production server and i don't want to mess
something...is there a step by step to make this upgrade?

Thanks in advance for your valuable help!

DD

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