[arch-general] restore hdd image to a bigger disk

Marek Otahal markotahal at gmail.com
Tue Aug 24 16:03:48 EDT 2010


On Tuesday 24 of August 2010 21:35:20 Flavio Costa wrote:
> On Tue, Aug 24, 2010 at 4:14 PM, Marek Otahal <markotahal at gmail.com> wrote:
> > Hi all,
> > 
> > I use dd command to make an image of entire /dev/sda (160GB) and back up
> > it as
> > netobook.hdd to an external storage. The disk contains both
> > encrypted(dmcrypt/luks) and normal linux/win partitions.
> > 
> > My question is, if my netbook died and I needed to recover from backup,
> > can I
> > just dd-copy the image to a new larger disk? Does it matter?
> > 
> > 1/ it will do, but the size will remain 160gb ..is ok.
> > 2/ will do & possibility to resize partitions later ..even better! :)
> > 
> > I've searched the net, but I'd like someone to confirm it 100% works
> > (just dd
> > and reboot).
> > 
> > Thanks in advance, Marek
> > 
> > --
> > 
> > Marek Otahal :o)
> 
> The destination drive must have a greater or equal capacity, otherwise you
> will probably lose data / get a corrupt filesystem.
> After the dd finishes you can use any program that messes with partitions
> to resize it, in case the disk is bigger.
> 
> I can confirm that this simply works, no trick needed.
> I've done it dozens of times.

Thank you Flávio, 
that's what I wanted to be reassured about. 

-- 

Marek Otahal :o)


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