Re: your mail

[M G Berberich <btrfs@oss.m-berberich.de>]

Am Mittwoch, den 31. August schrieb Fennec Fox:
> Linux Titanium 4.7.2-1-MANJARO #1 SMP PREEMPT Sun Aug 21 15:04:37 UTC
> 2016 x86_64 GNU/Linux
> btrfs-progs v4.7
> 
> Data, single: total=30.01GiB, used=18.95GiB
> System, single: total=4.00MiB, used=16.00KiB
> Metadata, single: total=1.01GiB, used=422.17MiB
> GlobalReserve, single: total=144.00MiB, used=0.00B
> 
> {02:50} Wed Aug 31
> [fennectech@Titanium ~]$  sudo fstrim -v /
> [sudo] password for fennectech:
> Sorry, try again.
> [sudo] password for fennectech:
> /: 99.8 GiB (107167244288 bytes) trimmed
> 
> {03:08} Wed Aug 31
> [fennectech@Titanium ~]$  sudo fstrim -v /
> [sudo] password for fennectech:
> /: 99.9 GiB (107262181376 bytes) trimmed
> 
>   I ran these commands minutes after echother ane each time it is
> trimming the entire free space
> 
> Anyone else seen this?   the filesystem is the root FS and is compressed

You should be very happy that it is trimming at all. Typical situation
on a used btrfs is

  # fstrim -v /
  /: 0 B (0 bytes) trimmed

even if there is 33G unused space ob the fs:

  # df -h /
  Filesystem      Size  Used Avail Use% Mounted on
  /dev/sda2        96G   61G   33G  66% /


	MfG
	bmg

-- 
„Des is völlig wurscht, was heut beschlos- | M G Berberich
 sen wird: I bin sowieso dagegn!“          | mail@m-berberich.de
(SPD-Stadtrat Kurt Schindler; Regensburg)  |