HD to SSD question.

[Gregory Hosler]

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On 08/21/2013 03:16 PM, Roberto Ragusa wrote:
> On 08/21/2013 05:13 AM, Gregory Hosler wrote:
> 
>> If a mounted partition is being copied, then the result (destination) is 
>> that mounted partition. As boot time, it will need to be fsck. Any open 
>> files will be in whatever state they were in when they were copied. 
>> Hence, all files should be closed.
> 
> Copying mounted partitions with dd is dangerous.

only if there are open files, or filed that will be opened or closed.

Which is why I do the dd from run level 1

> But if unmounting is really impossible (e.g. it is the partition containing
> the running system), a good trick is remounting it read-only.

in a run level 3/5 environment, yes, but sooner or later you need to dd / and
that really should be done in run level 1.

All the best,

- -Greg



- -- 
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| Greg Hosler                                   ghosler at redhat.com    |
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