Hp Hitachi Dynamic Link Manager Software Manuel d'utilisateur Page 47

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2. HDLM Functions
25
Figure 2-8: Path Switching
(2) Automatic Failbacks
When a path recovers from an error, HDLM can automatically place the recovered
path back online. This function is called the automatic failback function.
In order to use the automatic failback function, HDLM must already be monitoring
error recovery on a regular basis.
When the Thunder 9500V Series, or Hitachi AMS/WMS series is being used, HDLM
selects the path to use from online owner paths, and then from online non-owner paths.
Therefore, if an owner path recovers from an error and HDLM automatically places
the recovered path online while any non-owner path is in use, the path in use will be
switched to the recovered owner path.
When the Lightning 9900 Series, Lightning 9900V Series, Hitachi USP, Universal
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