Date: Wed, 22 Jan 2014 12:55:09 +0530 From: eras mus <erasmu@gmail.com> To: "freebsd-questions@freebsd.org" <freebsd-questions@freebsd.org> Subject: Re: Server hang : MBR installation after dump and restore on new hard disk Message-ID: <CALeO_hMjaSeTn5x=ejBuPk%2Bajmu8yPz5oFNUvyhxHxATgiscCw@mail.gmail.com> In-Reply-To: <alpine.BSF.2.00.1401160846510.90415@wonkity.com> References: <CALeO_hNf_yLnrELKtGhdtq-aSx9Z0nitHfjN38rx9eGqRjh9aQ@mail.gmail.com> <alpine.BSF.2.00.1401160846510.90415@wonkity.com>
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On 1/16/14, Warren Block <wblock@wonkity.com> wrote: > On Thu, 16 Jan 2014, eras mus wrote: > >> Dear List, >> >> Thank you all for the help. I understood that the old hard disk is dying. >> I booted with a FreeBSD Live CD with the new hard disk. >> Now it detected the old hard disk as /dev/ad4 and new one as /dev/ad7. >> >> Then using sysinstall did slicing and partitioning on the new hard >> disk(ad7). Then dump and restore performed on all the partitions of >> the old hard disk to the new hard disk partitions. > > While sysinstall had a reasonably nice user interface for disk > partitioning, it was and is buggy and best avoided on current versions > of FreeBSD. > >> After performing dump and restore to the new hard disk, I edited the >> /etc/fstab of the root partition so that it will update the /etc/fstab >> for the new hard disk partitions(ad7s1a,ad7s1d,ad7s1f ..... instead of >> the ad4 entries in the /etc/fstab) >> >> Now when i try to boot the machine with both the hard disks as attached. >> It is showing as below >> >> F1 FreeBSD >> F5 Drive 1 >> >> When i select F5 it is going to a GRUB prompt of the new hard disk >> ,Because it already had a linux installation before doing the dump and >> restore operation. >> >> As per my understanding FreeBSD Boot Manager is not installed for the >> new >> hard disk. Am I right? > > Yes. Use 'boot0cfg -B ad7' to install it to the new drive, or > 'fdisk -B ad7' for a plain MBR that just boots without showing the menu. > > You may also need to install bootcode to the BSD partitions themselves. > This can be done with 'bsdlabel -B ad7s1'. I'd recommend using gpart > instead, but you don't say what version of FreeBSD you have, and it may > be old enough that gpart is not present. If gpart is present, see > http://www.wonkity.com/~wblock/docs/html/disksetup.html#_the_old_standard_mbr >
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