Re: [Ganglia-developers] Upgrades, mixing 3.0 and 3.1 clients

2008-07-09 Thread Carlo Marcelo Arenas Belon
On Wed, Jul 09, 2008 at 11:41:46AM +0100, [EMAIL PROTECTED] wrote:
 
 During an upgrade from 3.0 to 3.1, is it permissable to mix 3.0 and 3.1
 gmond nodes?

this was meant to be somewhere in the documentation..

no, they are not compatible and can't be in the same used in the same cluster
(sharing the same multicast address, or reporting to the same collector gmond
if using unicast)

they are only warranted to be compatible at the XML level.

 Any recommendations about the order in which to do the upgrade?
 
 Will the 3.1 gmetad accept data from 3.0 gmond agents?  If so, would it
 be sensible to upgrade gmetad and web components first, and then go
 around updating the gmond agents?

you got it, the upgrading path is :

1) upgrade your gmetad/web first (probably better to start with the topmost
   one if you have a hierarchy of them)
2) upgrade gmond cluster by cluster until you are done (be sure to upgrade
   the collector if using unicast)

Carlo

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Re: [Ganglia-developers] Upgrades, mixing 3.0 and 3.1 clients

2008-07-09 Thread Bernard Li
Hi Daniel:

On Wed, Jul 9, 2008 at 3:41 AM,  [EMAIL PROTECTED] wrote:

 During an upgrade from 3.0 to 3.1, is it permissable to mix 3.0 and 3.1
 gmond nodes?

 Any recommendations about the order in which to do the upgrade?

 Will the 3.1 gmetad accept data from 3.0 gmond agents?  If so, would it
 be sensible to upgrade gmetad and web components first, and then go
 around updating the gmond agents?

If you do get around testing the upgrade path from 3.0 to 3.1, please
do let us know your feedback.  We'll use it to perfect our
documentation.

BTW, you will need to convert your gmond.conf from 3.0.x to 3.1.x (the
location will also move from /etc/gmond.conf to
/etc/ganglia/gmond.conf):

http://www.ganglia.info/snapshots/3.1.x/gmond-3.1.patch

Cheers,

Bernard

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