copy full system from old disk to a new one

[Reindl Harald]

Am 19.02.2013 18:48, schrieb Heinz Diehl:
> On 19.02.2013, Reindl Harald wrote: 
> 
>> i can not remember when the last ext3/ext4
>> had 512 bytes blocksize
> [....]
> 
> Most of the "conventional" harddisks have a sectorsize/blocksize of
> 512/512. All the newer and bigger WD/Seagate drives and SSDs are using
> "advanced format", which means 512/4096. 
> 
> To support this, there are two factors which must be present:
> 
> 1. Proper alignment to 4k block boundaries
> 2. A filesystem on top which supports 4k blocksize
> 
> If you use "dd" to raw-copy a 512/512 drive to a newer WD/Seagate or a
> SSD, this will result in misalignment (even if your FS supports the 4k
> blocksize) causing huge performance loss.

and why did you strip the part where i showed you that any of my
filesystems of the last 5 years have a 4 KB blocksize as also
any of my hardware of the last 5 years is "newer"?

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 263 bytes
Desc: OpenPGP digital signature
URL: <http://lists.fedoraproject.org/pipermail/users/attachments/20130219/4513135f/attachment.sig>