On 2012-09-05T06:26:50, Stefan Schloesser <[email protected]> wrote:
> Hi Lars,
>
> my problem with the rolling upgrade is the drbd partition. If you migrate the
> service its data will move too. If you then restart the cluster and migrate
> back the data will not be in an upgraded state and thus not match the binary.
> Hence you can't be sure your service will start on the recently upgraded node
> with the old data version.
> So is rolling it really feasible?
The "new" binaries will see slightly old data. Doesn't the database then
up-convert said data? (That's normally what happens.)
If not, you need to insert a manual step there before starting the
service on the upgraded node again.
Regards,
Lars
--
Architect Storage/HA
SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB
21284 (AG Nürnberg)
"Experience is the name everyone gives to their mistakes." -- Oscar Wilde
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