Date: Tue, 13 Oct 2009 08:45:08 +0800 From: Alex Jurkiewicz <alex@bluebottle.net.au> To: Tim Judd <tajudd@gmail.com>, freebsd-questions@freebsd.org Subject: Re: restore(8)ing new / -- boots on metal but not in a VM Message-ID: <98ac902a0910121745h204124ear51139091572676f3@mail.gmail.com> In-Reply-To: <ade45ae90910121153u4dddaf25ofbee2a1ef984a4f3@mail.gmail.com> References: <98ac902a0910120214m29d299b5o6aa58fdba45c9f95@mail.gmail.com> <ade45ae90910121153u4dddaf25ofbee2a1ef984a4f3@mail.gmail.com>
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2009/10/13 Tim Judd <tajudd@gmail.com>: > Is the virtual machine using SCSI emulation to boot, or is it using IDE? > > SCSI drives are da(4), IDE drives are ata(4) [aka ad(4)] > The dump was taken from an ad0 device on physical hardware, and I'm attempting to restore to the same, just on virtual hardware. > If the boot blocks (maybe boot0 specific) point to an ad/ata device, > and the virtual machine is SCSI, it won't find the boot sectors. So, if I make a dumpfile of / on an ad(4) device, I can't restore it to a da(4) device and expect it to boot? I guess at minimum I'll need two copies of this image if I want to roll it out on machines with both sorts of drive, right? Thanks, AJ
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