Best way to replace a drive with a clone
subscribed-lists at sterndata.com
Sat Jul 31 18:37:21 UTC 2010
On 07/31/2010 01:21 PM, Brian Millett wrote:
> On Sat, 2010-07-31 at 12:59 -0500, Steven Stern wrote:
>> According to the SMART stats, the single drive in my Fedora server is
>> starting to fail. Rather than backup, do a clean install, and rebuild,
>> I'd like to try to clone the existing drive to a new one, then swap in
>> the new one.
>> What are the restrictions on doing this and the best way to accomplish
>> it? I have the Clonezilla Live CD that I use for backup. Will that do
>> Or will a straight dd do it?
>> add new drive as PATA slave /dev/sdb
>> dd -if /dev/sda -of /dev/sdb
>> remove /dev/sda
>> change the jumpers on /dev/sdb to match what was /dev/sda
>> In the dd procedure, I'm not sure what to do if sdb is larger than sda.
>> -- Steve
> Clonezilla will do a disk to disk clone which is very slick. Which will
> fit into your 'dd' scenario. If you can do that, then that is the best.
> Otherwise clonezilla can clone to an image which you know. Also see the
> fsarchiver application available on systemrescuecd. I've used both with
> great success. My personal preference is fsarchiver for partitions and
> clonezilla for full disk.
The thing that makes this difficult, at least to me, is that LVM is
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