[DRBD-user] Upgrading 8.2.6 to 8.3.0?

Lars Ellenberg lars.ellenberg at linbit.com
Thu Jan 22 00:16:45 CET 2009


On Wed, Jan 21, 2009 at 11:45:34AM -0800, Mike Sweetser - Adhost wrote:
> Hello,
> 
> We're looking to do security upgrades on our DRBD servers, and in the
> process, updating from DRBD 8.2.6 to 8.3.0.  My questions:
> 
> * Any gotchas in doing the update that anybody is aware of?  

In case you currently use "no-disk-flushes" in your drbd.conf,
you probably want to add "no-disk-barriers" now (introduces with 8.2.7).

Anyone else?

> * Can we mix versions for the time it takes to update both servers?
> In other words, can we update one server to 8.3.0 and let that server
> connect back to the other 8.2.6 server without problems?  

yes.

-- 
: Lars Ellenberg
: LINBIT | Your Way to High Availability
: DRBD/HA support and consulting http://www.linbit.com

DRBD® and LINBIT® are registered trademarks of LINBIT, Austria.
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