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2.5.1 online update

2.5.1 is available as an online update. fixes bug with journal partition size while adding OSDs, it was caused after moving parameter to central config database. All 2.5.0 users are recommended to upgrade.

Hi ,

We are planning to upgrade in short to from 2.4.0 to 2.5.1.

This bug affects any OSD created when in 2.5.0 version and not prior versions, correct?

Also , about backend networks, I see since 2.5.0 only uses 1 backend, what will happen when we upgrade to 2.5.1 , what network will remain?

At long term, is there a safe way to transition to the single backend architecture?

Thanks!

Yes the journal config bug is in 2.5.0, introduced when we moved all config centrally.

Yes older clusters with 2 backends will continue to work. Internally the config file format /opt/petasan/config/cluster_info.json and /opt/petasan/config/node_info.json still have both backend 1 and backend 2, however we now support that backend 2 could be empty, in such case it will be the same values as backend 1.  You should be able to manually put empty "" values to these values and reboot the cluster, but i suggest you try it in a test setup first just to be familiar.