[DRBD-user] Upgrading nodes

Luciano Miguel Ferreira Rocha strange at nsk.no-ip.org
Tue May 9 00:02:19 CEST 2006

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.

On Tue, May 09, 2006 at 09:50:21AM +1200, Jeremy Bowen wrote:
> Hi
> This may be a stupid question but is it safe to upgrade nodes between minor 
> versions ? I don't recall seeing anything specific in the docs.

Yes, you can. 

> I'm running 0.7.14 on a couple of installations and would like to upgrade to 
> 0.7.18. Can I do this by taking down one side, upgrading, making this new 
> node the primary, taking down the other side and upgrading that and bringing 
> it back on-line ? 
> Presumably the underlying data isn't changed between minor versions so the 
> above should not result in data-loss.
> Is there an easier or better way of upgrading ?

I've done it without problems. (Note that it's different from upgrading
with both sides off-line, but I think both the protocol and on-disk metadata 
are kept the same between minor versions.)

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