Re: A question about subvolumes

[Bob Williams <linux@barrowhillfarm.org.uk>]

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On 05/07/14 07:27, Goffredo Baroncelli wrote:
> On 07/04/2014 11:06 PM, Bob Williams wrote:
>> On 04/07/14 21:38, Goffredo Baroncelli wrote:
> 
>> 
>> Thank you, Goffredo. As the current /home/bob is not a
>> subvolume, but a regular linux directory/folder, will the "cp
>> --reflink" still carry the same speed advantage?
>> 
>> In other words, using your example above, will this work:
>> 
>> # cp --reflink -R normal_directory-A/* subvolume-B/ # rm -rf 
>> normal_directory-A/
> 
> Yes.
> 
> If you want to move (or copy) files between subvolume, cp
> --reflink is faster.
> 
> 
> I have to point out that the "--reflink" is only an internal 
> detail. The two file are logically separated: if you after the
> copy change the source, the destination is unaffected.
> 
Many thanks. Conversion of /home/bob to a subvolume completed
uneventfully. :-) And very quickly, considering it is ~500GB. I have
made a note of that --reflink option.

Bob
- -- 
Bob Williams
System:  Linux 3.11.10-17-desktop
Distro:  openSUSE 13.1 (x86_64) with KDE Development Platform: 4.13.2
Uptime:  06:00am up 6 days 20:14, 4 users, load average: 0.02, 0.18, 0.25
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