Naren pleasee add your comment on this too......
Thanks Raju for your comments. I Still want to spell out my mind like..as
I dont want to install linux again...(suppose I have a corrupt root
partition) in such a situation I was asking the question. Now what I have
is the corrupt root partition and backup.dd file in another partition. Now
by me the restoration process would be. Format the partition and using dd
to restore the whole root partition so that next time after I make the
partition active... I will boot painlessly? MY question in other words
would be if dd will be capable to backup/restore all the
boot/super/inode/data blocks ... so that I dont need to make the filesys
on a same sized partition...
Please add your comment..
thannnks. 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
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