When the host computers connect to the storage controller using standard bus protocols, certain commands such as a reset command can have profound effects on the storage system, but are not adequately communicated to other host computers connecting to {HEAD ~ the storage controller} over {TAIL ~ separate bus channels} 
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When the host computers connect to the storage controller using standard bus protocols , certain commands such as a reset command can have profound effects on the storage system , but are not adequately communicated to other host computers connecting to { HEAD ~ the storage controller } over { TAIL ~ separate bus channels }
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