Re: Recommended settings for SSD

[Leonidas Spyropoulos <artafinde@gmail.com>]

On Sat, May 25, 2013 at 11:33 PM, Harald Glatt <mail@hachre.de> wrote:
> Data that already exists will only be compressed on re-write. You can
> do it with btrfs fi defrag and a script that traverses the fs to call
> defrag on every file. Another good way is the find command that has
> been outlined here:
>
> https://btrfs.wiki.kernel.org/index.php/Problem_FAQ#Defragmenting_a_directory_doesn.27t_work
>

I tried to my home partition the 'find' command and worked without
errors, not sure if it did compress (how can I check?). I tried also
on the root partition and every file that was in use (obviously) it
didn't defrag it. I am guessing I have to mount the partition from a
LiveCD but since the LiceCD kernel is usually old (in terms of btrfs)
do you reckon there will be any problems?

Thanks
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