Thanks Raju for your speedy reply.. What if I dont use lilo, of use lilo
on MBR.
So do u agree that in such a situation dd is the only panacia ?
Regards.....:)
deep
On Tue, 13 Apr 1999, Raj Mathur wrote:
> >>>>> "Deep" == Manager <[EMAIL PROTECTED]> writes:
>
> Deep> Naren pleasee add your comment on this too......
>
> Deep> Thanks Raju for your comments. I Still want to spell out my
> Deep> mind like..as I dont want to install linux again...(suppose
> Deep> I have a corrupt root partition) in such a situation I was
> Deep> asking the question. Now what I have is the corrupt root
> Deep> partition and backup.dd file in another partition. Now by me
> Deep> the restoration process would be. Format the partition and
> Deep> using dd to restore the whole root partition so that next
> Deep> time after I make the partition active... I will boot
> Deep> painlessly? MY question in other words would be if dd will
> Deep> be capable to backup/restore all the boot/super/inode/data
> Deep> blocks ... so that I dont need to make the filesys on a same
> Deep> sized partition...
>
> Yes, if the old and new partitions are exactly the same size you
> should be able to restore your dd image onto the newly formatted
> partition. You may still need to re-run LILO to get Linux to boot if
> this was your root partition. In case the new partition is larger
> than the old one, you'll lose the extra space. In case it's smaller,
> well, God help you when you try to access the blocks which the
> filesystem says exist but actually lie beyond your partition!
>
> Deep> Please add your comment..
>
> Deep> thannnks. deep
>
> Regards,
>
> -- Raju
>
> Deep> On Tue, 13 Apr 1999, Raj Mathur wrote:
>
> >> >>>>> "Deep" == Manager <[EMAIL PROTECTED]> writes:
> >>
> Deep> Hello,
> >>
> Deep> suppose I have a linux root partition /dev/hda1 on which I
> Deep> run dd to capture the whole image of the partition to a file
> Deep> say.. backup.dd. now in case of a crashed /dev/hda1 ..will I
> Deep> be able to restore each byte of it including
> Deep> System/boot/data blocks by giving command dd if=./backup.dd
> Deep> of=./dev/hda1.....
> >> Why would you want to use dd for this? Dd will suffer from
> >> the following drawbacks:
> >>
> >> 1. Unused space will also be backed up
> >>
> >> 2. You cannot restore onto anything except an exact mirror
> >> (size-wise) of the backed-up partition
> >>
> >> 3. You cannot restore selective files
> >>
> >> 4. You cannot view the contents of the archive.
> >>
> >> Use Tar or even Cpio to back up your data.
> >>
> Deep> Please clarify
> >>
> Deep> ONe more question.....
> >>
> Deep> How do I do disk mirroring in Linux ?
> >> Compile the MD driver into your kernel, get the utilities as
> >> specified in the kernel config help
> >> (/usr/src/linux/Documentation/Configure.help) and use them for
> >> achieving RAID 0,1,5
> >>
> >> -- Raju -- To unsubscribe, send mail to
> >> [EMAIL PROTECTED] with the body "unsubscribe
> >> linux-india" and an empty subject line. FAQ:
> >> http://www.linux-india.org/faq/linux-india.html
> >>
>
>
