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Date:      Fri, 26 Jun 2009 13:09:43 -0400
From:      Brent Bloxam <brentb@beanfield.com>
To:        freebsd-questions@freebsd.org
Subject:   Device naming on scbus using isp
Message-ID:  <4A4500D7.5090104@beanfield.com>

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I'm wondering about how device names are assigned on scbus, specifically 
when using the isp driver. It seems to me that there's potential when an 
HBA has access to multiple LUNs that on boot the scbus will have entries 
in /dev scrambled compared to the previous run (thus messing up mounts). 
My experience so far has been that da0 will be assigned to the first 
target scanned, da1 to the second, etc. Is this generally something 
countered with device.hints? If a LUN were to go away, but a device hint 
pointing to the target:unit remained, would that cause any issues on boot?

Thanks,
Brent



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