diff --git a/docs/reference/modules/remote-clusters.asciidoc b/docs/reference/modules/remote-clusters.asciidoc index e654a50e612..6663a5f035e 100644 --- a/docs/reference/modules/remote-clusters.asciidoc +++ b/docs/reference/modules/remote-clusters.asciidoc @@ -30,24 +30,25 @@ node to the selected remote _gateway nodes_ only. The _gateway nodes_ selection depends on the following criteria: - *version*: Remote nodes must be compatible with the cluster they are -registered to. This is subject to the same rules as <>. -Any node can communicate with any other node on the same major version (e.g. -6.0 can talk to any 6.x node). Only nodes on the last minor version of a -certain major version can communicate with nodes on the following major -version (e.g. 6.7 can communicate with 7.0, as well as any 7.x node, while - 6.6 or earlier cannot talk to any 7.x node). Note that version compatibility - is symmetric, meaning that if 6.7 can communicate with 7.0, 7.0 can also - communicate with 6.7. The matrix below summarizes compatibility as described - above. +registered to. This is subject to rules that are similar to those for +<>. Any node can communicate with any other node on the same +major version (e.g. 7.0 can talk to any 7.x node). Only nodes on the last minor +version of a certain major version can communicate with nodes on the following +major version. Note that in the 6.x series, 6.8 can communicate with any 7.x +node, while 6.7 can only communicate with 7.0. Version compatibility is +symmetric, meaning that if 6.7 can communicate with 7.0, 7.0 can also +communicate with 6.7. The matrix below summarizes compatibility as described above. [cols="^,^,^,^,^,^"] |==== -| Compatibility | 5.0->5.5 | 5.6 | 6.0->6.6 | 6.7 | 7.x -| 5.0->5.5 | Yes | Yes | No | No | No -| 5.6 | Yes | Yes | Yes | Yes | No -| 6.0->6.6 | No | Yes | Yes | Yes | No -| 6.7 | No | Yes | Yes | Yes | Yes -| 7.x | No | No | No | Yes | Yes +| Compatibility | 5.0->5.5 | 5.6 | 6.0->6.6 | 6.7 | 6.8 | 7.0 | 7.1->7.x +| 5.0->5.5 | Yes | Yes | No | No | No | No | No +| 5.6 | Yes | Yes | Yes | Yes | Yes | No | No +| 6.0->6.6 | No | Yes | Yes | Yes | Yes | No | No +| 6.7 | No | Yes | Yes | Yes | Yes | Yes | No +| 6.8 | No | Yes | Yes | Yes | Yes | Yes | Yes +| 7.0 | No | No | No | Yes | Yes | Yes | Yes +| 7.1->7.x | No | No | No | No | Yes | Yes | Yes |==== - *role*: Dedicated master nodes never get selected.