Re: Recommended settings for SSD

[Leonidas Spyropoulos <artafinde@gmail.com>]

On Sat, May 25, 2013 at 1:13 PM, Martin Steigerwald <Martin@lichtvoll.de> wrote:
> Am Samstag, 25. Mai 2013, 03:58:12 schrieb Duncan:
> [...]
> And can be verified by:
>
> martin@merkaba:~> grep ssd /proc/mounts
> /dev/mapper/merkaba-debian / btrfs rw,noatime,compress=lzo,ssd,space_cache 0 0
> /dev/mapper/merkaba-debian /mnt/debian-zeit btrfs
> rw,noatime,compress=lzo,ssd,space_cache 0 0
> /dev/mapper/merkaba-home /home btrfs rw,noatime,compress=lzo,ssd,space_cache 0
> 0
> /dev/mapper/merkaba-home /mnt/home-zeit btrfs
> rw,noatime,compress=lzo,ssd,space_cache 0 0
> martin@merkaba:~> grep ssd /etc/fstab
> martin@merkaba:~#1>
> [...]
> More majordomo info at  http://vger.kernel.org/majordomo-info.html

I see you are using compression. I don't have compression at the
moment and I would like to use it. What will happen to the data that
are already on the partitions? Will it be compressed when I use them?
Do I have to re-write them? Would it be compressed with btrfs defrag
command?

Thanks for the information

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