I have just spent an entire weekend trying to upgrade from v6 to v7. I have now given up and reverted back to v6. In my opinion v7 has not been tested properly and appears to still be a beta version!
The first issue i had was that the motherboard I have requires the "nolapic noapic acpi=off" options on the kernal boot line. In v6 this was easily done by using the classic option at install time. Strangely enough I thought that the same would work in v7, however the classic in v7 only adds those options for the install and fails to add them into grubs menu.lst. I can't believe that ever got missed.
After sorting that one out I moved onto reconfiguring everything. Then I came across another fun problem. v7 is supposed to support dyndns-custom (finally), however it only allows you to set up 1 host name in webadmin, whereas the dyndns-custom service allows for multiple host names to be used. Ok, so back to the old dyndns hacks that we have been using for 3-4 years while waiting for it to be included, but unfortunatley Astaro have now decided to code the ez-ipupdate options into the command line rather than using the dyndns.conf file as in previous versions, thus making the hack useless.
At this point I decided to stop bashing my head against the wall and have reinstalled v6 before I found more issues.
I won't be installing v7 again until these issues are addressed as the product is unusable in its current form.
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