Date: 07 Mar 2005 18:06:40 -0500 From: Lowell Gilbert <freebsd-questions-local@be-well.ilk.org> To: Danny Horne <cloudmaster@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: Change to different SCSI interface causes boot failure Message-ID: <44acpf3vjz.fsf@be-well.ilk.org> In-Reply-To: <ceb89a080503051106260c03ab@mail.gmail.com> References: <ceb89a080503051106260c03ab@mail.gmail.com>
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Danny Horne <cloudmaster@gmail.com> writes: > I'm trying to replace the motherboard in my FreeBSD 4.11-RELEASE > server for a different one. The old board has on-board Adaptec > AIC-7896N SCSI, the new one has on-board Symbios Ultra3 SCSI, on > bootup I get the following error - > > Mounting root from ufs:/dev/da0s0a > setrootbyname failed > ffs_mountroot: can't find rootvp > Rootmount failed:6 > > Is there any way I can boot the drive on this new interface? I haven't had to think about this in a long time, but I would expect that telling the loader(8) where to find the root (root_disk_unit or rootdev) should let it progress further. You'll still need to fix /etc/fstab, I suspect. > I've searched the archives & found a similar problem in which the > solution was to use dump to create a backup & do a fresh install of > FreeBSD on the new system before restoring the backup. If I have to > take this route I might as well upgrade to 5.3, but I understand this > uses a different filesystem to 4.11, so would this give problems with > a restore from a 4.11 dump? No. The UFS2 restore(8) understands UFS1 dump files.
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