>  now         : 3x 1.6.22.1
>  intermediate: 2x 1.6.22.1 + 1x 1.8.7
>  intermediate: 1x 1.6.22.1 + 2x 1.8.7
>  final       : 3x 1.8.7

I have for many years upgraded db severs in this manner. So I expect
that it works this time as well. Actually we are currently runnig a
mix of 1.8 and 1.6 without problems on our DBs. I don't think I ever
had problems which were related to different versions. I try to do it
in an order which here would make the 1.8.7 the new syncsite in step
2. Then test if everyting works as expected because from that point
you can still back out and get quorum again with 2x 1.6.22. If there
have been problems with db server upgrades it has been because of
errors between chair and keyboard, like typos in config files.

Harald.
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