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authorroot <root@lamia.panaceas.james.local>2017-01-16 12:35:57 +0000
committerroot <root@lamia.panaceas.james.local>2017-01-16 12:35:57 +0000
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+<p>
+This program sets the clock (date and time) on 3ware 9xxx series controllers
+from the system clock, so that the BBU installation and test dates are
+correct.
+</p>
+
+<p>
+I'm not entirely sure what mechanism was intended to do this originally,
+the linux driver only synchronizes time of week whilst the system is
+running, and I didn't find any code to do this in the 3ware BIOS.
+</p>
+
+<p>
+optional argument is the 3ware controller you wist to set the date on
+otherwise it assumes /dev/twa0
+</p>
+
+<p>
+The utility only sets the clock if it's wrong by more than 15 seconds.
+</p>
+
+<pre>
+root@otherthing:~/projects/twa_t/twa_t/src# ./twa_t
+Controller time is: Sun Jan 1 13:29:27 1970
+Controller time difference is 1484524828.0 seconds
+Setting controller time
+Controller time is: Sun Jan 16 12:29:55 2017
+root@otherthing:~/projects/twa_t/twa_t/src#
+</pre>
+