Date: Wed, 1 Dec 2004 14:02:04 -0600 (CST) From: "David Kelly" <dkelly@hiwaay.net> To: <jbronson@wixb.com> Cc: freebsd-questions@freebsd.org Subject: Re: convert from scsi to IDE Message-ID: <1995.207.111.173.106.1101931324.squirrel@webmail.dogbark.com> In-Reply-To: <6.2.0.14.2.20041201112926.00ab9e30@localhost> References: <6.2.0.14.2.20041201101511.00abf138@localhost> <1304.207.111.173.106.1101920332.squirrel@webmail.dogbark.com> <6.2.0.14.2.20041201112926.00ab9e30@localhost>
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> At 10:58 AM 12/01/2004, David Kelly wrote: ... >>With the FreeBSD boot manager on the IDE drive you can painlessly >> reboot to either your new IDE or old SCSI installation. At most >> /etc/fstab needs touchup on each. > > Thanks for the tips. I have a full fresh 5.3 install with all my tweaks > and personality installed on the scsi. I am dumping to tape tonight. > What I might do is toss 2 IDE drives in there...do an install (mini) on > the 1...get it up and running and then run /stand/sysinstall on the 2nd > drive and set it up, format it and then mount it. Then I can restore > from tape onto the 2nd drive too. OK, but I think you are missing something in what I wrote. Once your tape backup is finished shutdown and install the IDE drives. Let it continue to boot your SCSI, which I presume also has the FreeBSD boot blocks installed. Use sysinstall on your current system to partition, format, and write boot blocks on the IDE drive(s). Mount the IDE drive(s) somewhere. Then you can use dump(8) piped into restore(8) directly from HD to HD. Once you think everything is on the IDE drive you can reboot and use F5 when the SCSI disk "boots" to transfer the boot to the next drive in the BIOS chain. In this way the IDE drive should be able to "boot" off the SCSI drive. And once you have done this it will automatically do it again the next time. Only thing different is an extra 10 seconds or so waiting on the boot blocks on the SCSI drive to time out an "boot" the IDE drive where those boot blocks take another 10 seconds before transfering to either the next disk or to the selected OS. Once everything is working you can remove the SCSI drive but by chaining the boot process off the SCSI drive you don't have to remove it until you are good and ready.
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