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Date: Tue, 20 Mar 2001 12:52:53 -0700 (MST)
From: gritton@orem.verio.net (Jamie Gritton)
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Subject: kern/25949: camcontrol doesn't find new drives or RAID on asr
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>Number:         25949
>Category:       kern
>Synopsis:       camcontrol doesn't find new drives or RAID on asr
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Mar 20 12:00:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     Jamie Gritton
>Release:        FreeBSD 4.2-RELEASE i386
>Organization:
Verio Web Hosting
>Environment:
System: FreeBSD glasscat.iserver.com 4.2-RELEASE FreeBSD 4.2-RELEASE #0: Tue Feb 27 14:08:02 MST 2001	root@fc:/usr/src/sys/compile/VKERN	i386


>Description:
	When a new drive is added on an Adaptec SCSI RAID bus, a "camcontrol
	rescan" won't detenct the new drive.  The card can tell it's there,
	but the OS doesn't see it.  Only a reboot will correct the OS view.

	The same also applies when building a new RAID partition using the
	Adaptec-supplied RAID configuration program.  A RAID partition looks
	to the OS like a different drive type than the drives it replaced.
	Rescanning the asr SCSI bus won't find the new "ADAPTEC RAID-1"
	pseudo-drive, but will manage to see the loss of the old drive, thus
	making the disk "go away" to the system, again until reboot.
>How-To-Repeat:
	Add a drive to a SCSI bus controlled by the asr driver, and run
	"camcontrol rescan" and "camcontrol devlist".  You won't see the
	new drive.  If you have the Adaptec RAID configuration program,
	you will be able to see the drive with "raidutil -L all".
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:

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