Date: Tue, 08 Feb 2005 14:15:45 -0800 From: Chuck Tuffli <chuck_tuffli@agilent.com> To: Dan Nelson <dnelson@allantgroup.com> Cc: Scott Long <scottl@freebsd.org> Subject: Re: how CAM/HBA probe for devices? Message-ID: <42093A11.9040403@agilent.com> In-Reply-To: <20050208214956.GA3104@dan.emsphone.com> References: <E1CyYUO-0003tg-IT@cs1.cs.huji.ac.il> <4208F618.3000400@freebsd.org> <20050208214956.GA3104@dan.emsphone.com>
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Dan Nelson wrote: ... > The fibre-channel drivers (isp,mpt) must have been the first to have > hit this problem; do they do the same thing as atapicam? If memory serves, the FC drivers take the results from loop/fabric discovery and then map each discovered device to a target_id. During boot, the driver stalls/sleeps waiting for discovery to complete before completing to the CAM. Later on if the loop/fabric changes, the user would need to force a re-scan to pick up the new devices. -- Chuck Tuffli Agilent Technologies
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