Re: Zimbra 6 to 8 upgrade path.

[Nathan <lagern@lafayette.edu>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Thanks!

On 02/14/2013 05:12 PM, Adam Cody wrote:
> food for thought, wrote this up a little while ago:
> 
> http://wiki.zimbra.com/wiki/Ajcody-Notes-OS-Upgrade-And-ZCS-Options
>
>  Note - my personal wiki page, not official wiki.
> 
> Adam
> 
> ----- Original Message -----
>> That's pretty much what we're doing here.  ZCS 7.2.1 upgrade is
>> tomorrow for us....
>> 
>> ----- "Nathan" <lagern@lafayette.edu> wrote:
>> 
> Hello Zimbra-hied-admins.
> 
> I'm in the process of trying to plan out a zimbra 6.0.10 to zimbra
> 8 upgrade. I realize that updating directly to 8 from 6 is not 
> supported, which is only half of my problem.
> 
> I have two hurdles to overcome, one being supported OS, the next 
> being the zimbra version.
> 
> 
> I wanted to run an idea i've had regarding a possible upgrade path 
> past some other zimbra experts.
> 
> Here's the state we're currently in:
> 
> Zimbra 6.0.10 multi-server install, spanning 9 blades. All of
> which are due for renewal. Running on RHEL5.
> 
> Zimbra 8 does not list rhel5 as a supported OS.
> 
> Because we're planning on replacing our blades with the same
> upgrade, I thought i might try to work an OS upgrade, migration to
> new hardware, and a zimbra upgrade all into 1.
> 
> My plan follows:
> 
> Build new machines to host zimbra. On RHEL6. Virtualize as much as 
> possible. We'd like to move to a 100% virtualized zimbra
> environment. Which is a point i'd like others to weigh in on as
> well. What sort of success have others had virtualizing all
> components of Zimbra?
> 
> Install Zimbra 6.0.10 on the new systems, and join them to our 
> existing multi-server install. Retire our smtp and proxy blades at 
> this point, as the new virtualized proxy and smtp machines should
> be taking over.
> 
> Migrate accounts from our three old store blades, to the new store 
> VM's using zimbra's built-in migration functions.
> 
> Retire the old store blades as the new virtual store servers are 
> handling all of the load.
> 
> All that's left to deal with at this point are the ldap servers.
> We have two zimbra ldap blades, i'll need to replicate ldap, and
> then promote one of the new virtual ldap servers to master i
> suppose. Then retire the old ldap servers.
> 
> At this point, we should have a fully virtual zimbra 6.0.10 
> multi-server install, with all of our users on the new systems. At 
> this point, i'd step through the zimbra upgrade process. Upgrade 
> 6.0.10 to 7.2.x, and then from 7.2.x to 8.x.
> 
> Does this sound like a sane upgrade path? Is there something
> simpler i'm overlooking?
> 
> Thanks!
>> 

- -- 
- -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Nathan Lager, RHCSA, RHCE (#110-011-426)
System Administrator
11 Pardee Hall
Lafayette College, Easton, PA 18042
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.13 (GNU/Linux)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/

iEYEARECAAYFAlEdYa0ACgkQsZqG4IN3sunWwwCfXOLg0Zy/i+hv8f1tH38OZLY/
c3UAmwUIYdHyeyHVpXMx+c2y6Hgghw7x
=Rfzr
-----END PGP SIGNATURE-----