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  1. Couchbase Documentation
  2. DOC-4737

Document how a user should perform an offline non-root upgrade.

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    Description

      Background
      The vbucket database file format is effectively changing in mad-hatter, the mad-hatter KV-engine will refuse to warm-up if the datafiles are found to be in the "old" format.

      The file-format change though is handled automatically

      • online upgrade, as data moves about via rebalance it will be written in the new format.
      • offline upgrade, the installer runs "cbupgrade" before starting couchbase. This is a script which will do the conversion

      Issue

      We document how to perform a non-root install, but not the upgrade.

      When we do the non-root install, the cbupgrade script is not executed, which is fine for a brand new install, however the cbupgrade script will need running if upgrading to mad-hatter.

      I tried myself to do an offline-non-root upgrade but could not make it work without losing the node's config.

      I don't know if there is a correct set of steps which needs documenting or it could be that offline non-root upgrade isn't possible/supported (which should be made clear in the non-root install)

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            eric.schneider Eric Schneider (Inactive)
            jwalker Jim Walker
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