In-place upgrade path

Feature
1

I am curious about this ad how it would work.

How will it work with apps that are not yet ns8 Modules yet, wil they just work contained somewhow and be exposed

2

The basic idea is the following:

  1. Execute ELevating CentOS 7 to AlmaLinux 9 | AlmaLinux Wiki. The procedure is the same for Rocky Linux: leapp tool supports it and other EL distros as well.
  2. Run a conversion procedure of NS7 application data to NS8 apps. The NS7 migration tool moves data with rsync across nodes; in the case of an in-place migration we can investigate a quicker mv + chown procedure because all data is on the local node.

Each application requires its migration procedure, like the nethserver-ns8-migration tool already released. I can’t imagine a one-size-fit-all approach: details count!

So far we verified that the double version upgrade provided by EL is complex, but works. About the conversion procedure, I can only say that the existing migration procedure is a good starting point but there is a lot of work to do.

3

so this means, for all softwares we have in ns8 a the momen, that previously had a ns7 version, they would have to be implementd into the migration tool for ns8 as well, before a meaningfull migration can be acheived.

However there are outliers, the ones not implemented as modules in ns7, they are just standard installations.

4

I thought the topic had been buried, much to my regret. Why a separate thread now? Is there still hope?

5

This is current status: