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"A former co-worker had a problem last week during a scheduled maintenance window and the analysis afterward led a consultant to say this in his root cause analysis report: &amp;quot;Anytime you are doing any kind of disk work on a system you always want to power the system down controlled. Ending the system &amp;quot;controlled&amp;quot; flushes the disk cache from memory to disk, &amp;quot;immediate&amp;quot; does not do this. I cringe when I see customers using *IMMED. 99% of the time the system will come back up without issue, but that other 1% res..."^^<http://www.w3.org/2001/XMLSchema#string>
<http://archive.midrange.com/midrange-l/201301/msg00640.html>