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Re: Upgrade Hard Drive



Timothy Murphy wrote:
Tom Spec wrote:

I am planning to move from one HD to another I need a bit of feedback.  I
am partitioned as follows:

sda1 /boot (Linux Partition) 256M
sda2 LVM PV (Linux LVM Partition) 20G

I was planning to.....

1) attach the new HD
2) boot to a rescue CD
3) partition the new HD exactly how the old one is
4) dd if=/dev/sda1 of=/dev/sdb1
5) dd if=/dev/sda2 of=/dev/sdb2
6) make the new HD bootable
7) disconnect the old HD
8) boot

My questions...

- Is this basically the right procedure?

In my opinion dd is not the right tool for this.
(I am amazed no-one else has said this.)

I used to say that, until I learned how to do it.



I would partition the new disk as you like,
and copy the contents of the old partitions to the new
with "cp -a".

That updates ctime for all files, and that may be undesirable. See here:
[root numbat modprobe.d]# \ls -l
total 36
-rw-r--r-- 1 root root  810 Jun 15  2007 blacklist
-rw-r--r-- 1 root root  833 Mar 25  2007 blacklist-compat
-rw-r--r-- 1 root root   83 Nov 30 03:28 blacklist-firewire
-rw-r--r-- 1 root root 5717 Mar 25  2007 modprobe.conf.dist
[root numbat modprobe.d]# \ls -l --time=ctime
total 36
-rw-r--r-- 1 root root  810 Jun 15  2007 blacklist
-rw-r--r-- 1 root root  833 Jun 15  2007 blacklist-compat
-rw-r--r-- 1 root root   83 Dec  5 09:58 blacklist-firewire
-rw-r--r-- 1 root root 5717 Jun 15  2007 modprobe.conf.dist
[root numbat modprobe.d]#

June 15 would be when I installed this system. Dates further back are when my vendor changed them (Scientific Linux 5.0).






--

Cheers
John

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