Does this theory hold water

[Justin Bennett]

I'm loading up my victim right now. Ok, thanks for the 2nd terminal tip.
You would agree though, it's better to do an install and overlay files
then just dump a tar to a blank disk.

Justin

Darin Perusich said:
> this should work, i've done similare restores on solaris systems. you
> shouldn't have to copy the tarball onto the freshly installed systems.
> before saying OK to reboot the system jump into another terminal
> (ctrl+alt+F3), ifconfig eth0 up, startup portmap and nfs. mount your
> network drive, and extract the tarball, lilo the disk and reboot.
>
> this is something i'd test and document all the steps before a fire
> starts, knowing that you've done it before can save alot of agrivation
> and get you home earlier.
>
> Justin Bennett wrote:
>> Ok let me know if this makes sense I know there has been some
>> discussion on here in the past, I've never done this but think it
>> should work.
>>
>> I have a RedHat 6.2 Pro web server, I'm running a nightly tar:
>>
>> tar -czf /home/backup/backup.tar.gz * --directory / --exclude=proc
>> --exclude=home/backup --exclude=mnt --exclude=*/lost+found
>>
>> to a network drive, I like that because the tar is only 900M and if
>> our Webmaster blows something away (you know those graphic artist
>> types) :) it's easy to pull something out of a tar on disk rather than
>> tape. if this drive were to fail. I should be able to recover this
>> way:
>>
>> 1. Reload box with redhat 6.2
>>    Use same partition scheme
>> 2. Boot into new 6.2
>> 3. Copy tar to local drive
>> 4. Boot into rescue mode (so that no files are used/locked on local
>> disk)
>>    mknod /dev/sda1,2,3, ect
>>    Mount disk structure under something like /mnt/root
>>    chroot /mnt/root
>> 5. Dump tar to disk (overlaying files)
>> 6. Run lilo
>> 7. Reboot and boot from disk
>>
>> Does this make sense? Do I need to do all this or can I boot into
>> rescue mode, fdisk and mkfs on all drives, mount and chroot, dump tar,
>> lilo, and reboot. I was just wondering if I don't do an install if
>> things like /mnt are made? Sounds like it might be fun to try on a
>> test box... :)
>>
>> Thanks
>> Justin
>>
>
>
> --
> Darin Perusich
> Unix Systems Administrator
> Cognigen Corp.
> darinper at cognigencorp.com
>
>
>
> --
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-- 
-------------------------------------------
Justin Bennett
Red Hat (Linux) Certified Engineer
Network Administrator
Dynabrade Inc.
8989 Sheridan Dr
Clarence, NY 14031
716-631-0100 ext 215