Ok, Yes it's been answered before and I have tried to archive some of this stuff to
make my own faq of sorts so here's what I've got;
Copy a Linux drive.
# fdisk /dev/hdb # new drive
# mke2fs /dev/hdb1
# mount /dev/hdb1 /mnt
# tar clpf - / | ( cd /mnt; tar xfvp - )
( put a floppy disk in your drive)
# dd if=/zImage of=/dev/fd0
# rdev /dev/fd0 /dev/hdb1
# vi /mnt/etc/lilo.conf
( change to reflect new root fs)
( reboot - boot from floppy )
# lilo
( reboot - boot from HD )
Or;
I have found the following does the job just fine:
find / -depth -mount | cpio -pdumv /mnt
Where /mnt was the mountpoint for the new drive.
Remember to fix up things like /etc/fstab and anything else that might
be dependent on drive devices being specified correctly. And have a
bootdisk handy so you can get in and rerun lilo (after properly
reconfiguring it).
And here's another way;
1) partition the new drive how you want it.
2) mount the new partitions under /mnt as they will look in your new
file system.
3) cd /
4) tar -cfl - / /usr /usr/local ... | (cd /mnt ; tar xf -)
where "/ /usr /usr/local ..." are all the partition
names on your current 340 MB Linux filesystem (if you
only have / then that's the only argument you need.
Look in your /etc/fstab for a list. Only use the
partitions on your 340MB hard drive.
This pipeline will write a "tar" file (on stdout) of
your old hard drive's file systems (it won't follow
links, but it will copy them into the "tar" file. If
you use a GNU tar program, which is standard
with most
Linux distributions, it'll copy your devices and special
files as well). The second part of the pipeline will
attach to your new file system and untar the file on
stdin (what the first program is writing on its stdout)
into the new file system mounted under /mnt. Just don't
put /mnt in the first tar command, and you should be all
set.
The "l" option to tar will keep it from adding anything
to the archive that doesn't exist in one of the file
systems you specified to tar (so if / and /usr are
separate partitions, "l" will add /usr to the archive
when it is found in /, but it won't add the contents of
/usr until it processes the /usr argument to tar.
Likewise, it will create /proc, but it will never copy
the contents of /proc because /proc was not one of the
fileystems mentioned on the command line to tar to be
copied.)
-----Original Message-----
From: Barton Hodges [SMTP:[EMAIL PROTECTED]]
Sent: April 26, 1999 12:10 PM
To: [EMAIL PROTECTED]
Subject: Duplicate a harddrive?
Hi everyone,
I know this is not about diald, but everyone
who posts to this seems to know quite a bit.
I want to duplicate a harddrive. Say I'm booted to
1 drive, and I have 2 other drives connected. How
can I duplicate 1 of the drives onto the other,
partitions and all? Is this possible with a "dd" command?
Is it possible to duplicate the drive I am booted on,
to another drive even though some files may be open?
thanks a bunch.
barton
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