Backup - in detail

Asheville Joe josephj at main.nc.us
Wed Sep 3 10:13:03 EDT 2003


Because I'm afraid to mess with something that (almost) works until I 
have a backup of it.  I have some 9.1 disks here and want to try it asap.

Joe

Joshua R. Altemoos wrote:

>just wondering why use rc2?
>
>-----Original Message-----
>From: owner-nflug at nflug.org [mailto:owner-nflug at nflug.org]On Behalf Of
>Asheville Joe
>Sent: Wednesday, September 03, 2003 1:53 AM
>To: NFLUG
>Subject: Backup - in detail
>
>
>Pardon me for asking this again, but I still don't get it.
>I have a dual boot system - Mandrake 9.1 rc2 and Windoze 98se.  It has a 
>30MB main disk and a secondary 120MB disk (that will eventually be on a 
>new computer).  I want to make a complete backup from my main disk which 
>would work just fine if I completely reformatted the 30MB disk and 
>started clean.  The disks look like this:
>
>[bigbird at localhost bigbird]$ cat /etc/fstab
>/dev/hda7 / ext3 defaults 1 1
>/dev/hda6 /boot ext2 defaults 1 2
>none /dev/pts devpts mode=0620 0 0
>/dev/hda9 /home ext3 defaults 1 2
>none /mnt/cdrom supermount 
>dev=/dev/scd0,fs=auto,ro,--,iocharset=iso8859-1,codepage=850,umask=0 0 0
>/dev/hda1 /mnt/dos_hda1 vfat 
>iocharset=iso8859-1,codepage=850,umask=0,defaults 0 0
>/dev/hda5 /mnt/dos_hda5 vfat 
>iocharset=iso8859-1,codepage=850,umask=0,defaults 0 0
>none /mnt/floppy supermount 
>dev=/dev/fd0,fs=auto,--,iocharset=iso8859-1,sync,codepage=850,umask=0 0 0
>/dev/hdb1 /mnt/portable ext3 rw,user,noauto,exec,suid 0 0
>none /proc proc defaults 0 0
>/dev/hda8 swap swap defaults 0 0
>[bigbird at localhost bigbird]$
>
>Below is what I think I should do.  Please steer me right and fill in 
>the blanks.
>
>Thanks.
>
>Joe
>
>What I have done so far is to run mkcdrec which makes a recovery CD.  
>This boots up into command line.
>Next, I am doing tar -cvz --file /mnt/dos_hda1 /mnt/portable/cdrive
>                                tar -cvz --file /mnt/dos_hda5 
>/mnt/portable/ddrive
>                                dump -0uf /mnt/portable/root /dev/hda7
>                                dump -0uf /mnt/portable/boot /dev/hda6
>                                dump -ouf /mnt/portable/home /home
>
>What I want to do next is burn cd's for each of the file systems I 
>copied onto /mnt/portable.
>I think that will give me a good backup of everything in a form that can 
>be slapped back into place on a new drive.  I just need to know how to 
>do md5's etc. to make sure what I burned is good.
>
>For testing purposes, I have an unformatted 20GB drive.  The 30GB has 
>lots of free space and what is used should fit easily onto the 20GB drive.
>
>What I would like to do is pull my 30GB drive out (and keep it safe and 
>working), put the 20GB drive in, boot from the CD made by mkcdrec.
>This is where I'm not sure what to do.  I need to partition and format 
>the drive the same as the 30GB, only, obviously, a bit smaller.  I don't 
>think I will have access to Diskdrake at this level, so I'll probably 
>need to do it from the command line.  I think this goes as follows:
>First partition the drive - I don't know how to do that.  Then format 
>the drive:
>
>fdisk /dev/hda
>mke2fs -j /dev/hda[79]
>mke2fs /dev/hda8
>"dosformat" /dev/hda[156] (I don't know how to do a vfat)
>then restore the dumps and untar the tars (all from cd's)
>then run lilo to build the mbr (I think you can tell lilo where to write 
>th mbr.)
>
>Then pull out the CDROM and reboot with all as before.
>
>Well, what did I miss?  Did I get this remotely right?  Does fdisk ask 
>me what partitions and sizes I want?
>
>
>
>
>  
>




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