Github user jpeach commented on a diff in the pull request:
https://github.com/apache/trafficserver/pull/1084#discussion_r82291438
--- Diff: doc/admin-guide/files/parent.config.en.rst ---
@@ -207,6 +207,13 @@ The following list shows the possible actions and
their allowed values.
The other traffic is unaffected. Once the downed parent becomes
available, the traffic distribution returns to the pre-down
state.
+ - ``latched`` - The first parent in the list is marked as primary and
is
+ always chosen until connection errors cause it to be marked down.
When
+ this occurs the next parent in the list then becomes primary. The
primary
+ will wrap back to the first parent in the list when it is the last
parent
+ in the list and is marked down due to a connection error. Newly
chosen
+ primary parents marked as unavilable will then be restored if the
failure
--- End diff --
s/unavilable/unavailable/
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