Date: Thu, 14 Aug 2008 22:40:57 +0200 From: "C.M. Burns" <montiburns@googlemail.com> To: freebsd-questions@freebsd.org Subject: Re: Migrate harddisk with FreeBSD into new machine Message-ID: <48A49859.3040604@googlemail.com> In-Reply-To: <20080814202233.GB4558@dan.emsphone.com> References: <48A478C5.3030002@googlemail.com> <6.0.0.22.2.20080814135612.025a8730@mail.computinginnovations.com> <48A481AE.9080209@googlemail.com> <20080814202233.GB4558@dan.emsphone.com>
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Dan Nelson schrieb: > In the last episode (Aug 14), C.M. Burns said: > >> Derek Ragona schrieb: >> >>> At 01:26 PM 8/14/2008, C.M. Burns wrote: >>> >>>> I have a problem. A faulty machine was running freeBSD with a two >>>> harddisk software raid. now these two disks should be put into a >>>> new machine, but of course it won't boot because it is new >>>> hardware. Kernel just reports: cannot mount root device from >>>> /dev/mirror/gm0s1a (or sth like this). >>>> >>>> question is now, how can i add the correct driver into the initial >>>> ramdisk (if there is such a thing on bsd) so the machine finds the >>>> two drives? second question: how can i afterwards remove the >>>> software mirror and only use one harddisk from that moment on? >>>> >>>> any help is very welcom, as i have no idea about bsd. i am a linux >>>> guy ;) >>>> >>> What I would do, is install FreeBSD onto a new separate hard disk. >>> Disks are cheap. Once you get the boot disk installed you can >>> create a custom kernel if necessary to support the RAID. >>> >> maybe there is a way to use the "loader prompt" to manually load the >> module? it is a buslogic bt948 controller. >> i would rather not compile a new kernel :) >> > > I was going to suggest building the buslogic driver as a module and > then loading it from floppy at the loader prompt, but it doesn't look > like the "bt" driver is available in module form. Do you maybe have an > Adaptec SCSI card you could use instead, at least until you can rebuild > the kernel? I know modules for those are on the install CD (newer > cards will be managed by the ahc or ahd drivers). > > I could switch to an LSI logic megaraid controller, but i have to check the version when i am back at work on monday. how can i load modules from floppy disk at loader prompt?
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