Date: Mon, 06 Sep 2010 09:06:31 -0700 From: Matthew Jacob <mj@feral.com> To: freebsd-scsi@freebsd.org Subject: Re: mpt0 and removing disks Message-ID: <4C851187.8030501@feral.com> In-Reply-To: <4C84B8AD.2070503@darkbsd.org> References: <D1B64C69-1C11-4EE8-AF94-833FB2C3110B@saers.com> <4C80A52A.5080300@darkbsd.org> <CBE0D760-E9F4-4F0C-98FD-BCC9603BB69D@saers.com> <4C848949.8000909@darkbsd.org> <8639tnutfh.fsf@ds4.des.no> <4C84B8AD.2070503@darkbsd.org>
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I'll repeat what I've said before: mpt was not designed to support hotplugging. There is *some* support for it for the Fibre Channel HBAs, but I don't know if they even work. That doesn't mean it couldn't be changed for this. The problem here is that this would require a fair amount of work for what is now obsolete hardware. I doubt you can get too many people interested in this. As for 'warm plugging', that's doable. Make sure nothing is using the device you want to pull, give indication to pull it, and issue 'camcontrol rescan' after it is out and/or replaced with another drive. I wasn't paying attention to the early part of the thread, so I don't know if this is a procedural alternative.
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