Re: [LUG] transferring a disk structure to another, bigger one

[Neil Stone <Neil@xxxxxxxxxxxxxx>]

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Adrian Midgley wrote:
> Having used dd to copy all the contents of /dev/hda to a new /dev/hdb
>
> how do I persuade the new drive that it is much bigger?
>
> This is part of a large upgrade, and if driven to it I'll just start from 
> scratch, but then I have to transfer ownership of files and IDs and so on.
>
> Now, next question is SuSE 8.2 or SuSE 9.0.  Got both.

Well, i can see a few options here..

A) Create the partitions on hdb as you want them, backup (using tar) the 
contents of /dev/hda and restore the backup to hdb
B) Use LVM next time...
C) Use ext2resize
D) Start from scratch...
E) Create a load of larger partitions on the new disk, mount them as 
required...

Personally I would go for option A much nicer... (and I have done it a 
number of times before) Also if you use LVM you can resize the 
partitions at a later date without loosing data (in theory)

dd, great for mirroring one device to another.. not too hot as a backup 
tool in this situ...
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