doc: clarify '*' all-nodes wildcard vs literal 'all' group source#627
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Closes clustershell#552 Signed-off-by: Stephane Thiell <sthiell@stanford.edu>
degremont
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Jun 18, 2026
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Documentation-only fix for #552.
The all-nodes selector in group sources is the
*wildcard, written@source:*, or@*for the default source, and also reachable viaclush -aandnodeset -a. The literalallis just an ordinary group name, so@source:allresolves to an empty node set unless anallgroup is actually defined.config.rst: note in the "YAML group files" section, cross-referencing the group source upcalls section.cluster.yaml.example: one-line comment by theall:example.