8000 improve btrfs display · Issue #21 · Canop/dysk · GitHub
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danie-dejager opened this issue Oct 18, 2021 · 0 comments
Open

improve btrfs display #21

danie-dejager opened this issue Oct 18, 2021 · 0 comments

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@danie-dejager
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I noticed that lfs excludes snap mounts by default, as expected, but shows btrfs mount points. I've not yet found a tool that displays btrfs info in a way that makes 100% sense. Is there something that can be done that can incorporate Subvolumes and Snapshots? My /home is a subvolume from /

btrfs filesystem usage /

Overall:
    Device size:		 236.87GiB
    Device allocated:		  17.02GiB
    Device unallocated:		 219.85GiB
    Device missing:		     0.00B
    Used:			  14.94GiB
    Free (estimated):		 221.41GiB	(min: 221.41GiB)
    Free (statfs, df):		 221.41GiB
    Data ratio:			      1.00
    Metadata ratio:		      1.00
    Global reserve:		  50.41MiB	(used: 0.00B)
    Multiple profiles:		        no

Data,single: Size:16.01GiB, Used:14.45GiB (90.25%)
   /dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12	  16.01GiB

Metadata,single: Size:1.01GiB, Used:508.39MiB (49.26%)
   /dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12	   1.01GiB

System,single: Size:4.00MiB, Used:16.00KiB (0.39%)
   /dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12	   4.00MiB

Unallocated:
   /dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12	 219.85GiB

Output from df

$ df -h | grep -v snap
Filesystem       Size  Used Avail Use% Mounted on
devtmpfs         7.7G     0  7.7G   0% /dev
tmpfs            7.8G  190M  7.6G   3% /dev/shm
tmpfs            3.1G  2.4M  3.1G   1% /run
/dev/dm-0        237G   15G  222G   7% /
tmpfs            7.8G   63M  7.7G   1% /tmp
/dev/dm-0        237G   15G  222G   7% /home
/dev/nvme0n1p2   976M  194M  716M  22% /boot
/dev/nvme0n1p1   599M   17M  583M   3% /boot/efi
/dev/mapper/sda  821G  743G   37G  96% /Data
tmpfs            1.6G  124K  1.6G   1% /run/user/1001
tmpfs            1.6G   64K  1.6G   1% /run/user/0

Output from lfs.


┌────┬─────┬─────────────────────────────────────────────────────┬─────┬─────┬────┬─────────┬────┬────┬───────────────────────────────────────────────────────────────┐
│  id│ dev │                     filesystem                      │disk │type │used│  use%   │free│size│mount point                                                    │
├────┼─────┼─────────────────────────────────────────────────────┼─────┼─────┼────┼─────────┼────┼────┼───────────────────────────────────────────────────────────────┤
│ 141│253:1│/dev/mapper/sda                                      │crypt│ext4 │842G│96% ████▊│ 39G│881G│/Data                                                          │
│  65│0:33 │/dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12│crypt│btrfs│ 17G│ 7% ▍    │238G│254G│/                                                              │
│  94│0:33 │/dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12│crypt│btrfs│ 17G│ 7% ▍    │238G│254G│/home                                                          │
│ 135│259:2│/dev/nvme0n1p2                                       │ SSD │ext4 │273M│27% █▍   │750M│1.0G│/boot                                                          │
│ 138│259:1│/dev/nvme0n1p1                                       │ SSD │vfat │ 17M│ 3% ▏    │611M│628M│/boot/efi                                                      │
│1233│0:33 │/dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12│crypt│btrfs│    │         │    │    │/opt/sophos-spl/var/sophos-spl-comms/lib                       │
│1260│0:33 │/dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12│crypt│btrfs│    │         │    │    │/opt/sophos-spl/var/sophos-spl-comms/usr/lib                   │
│1287│0:33 │/dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12│crypt│btrfs│    │         │    │    │/opt/sophos-spl/var/sophos-spl-comms/etc/hosts                 │
│1341│0:33 │/dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12│crypt│btrfs│    │         │    │    │/opt/sophos-spl/var/sophos-spl-comms/usr/lib64                 │
│1368│0:33 │/dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12│crypt│btrfs│    │         │    │    │/opt/sophos-spl/var/sophos-spl-comms/etc/ssl/certs             │
│1395│0:33 │/dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12│crypt│btrfs│    │         │    │    │/opt/sophos-spl/var/sophos-spl-comms/etc/pki/tls/certs         │
│1422│0:33 │/dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12│crypt│btrfs│    │         │    │    │/opt/sophos-spl/var/sophos-spl-comms/etc/pki/ca-trust/extracted│
│1449│0:33 │/dev/mapper/luks-3abedd32-0c85-4e7f-9ca6-e556bbb89b12│crypt│btrfs│    │         │    │    │/opt/sophos-spl/var/sophos-spl-comms/base/mcs/certs            │
└────┴─────┴─────────────────────────────────────────────────────┴─────┴─────┴────┴─────────┴────┴────┴───────────────────────────────────────────────────────────────┘
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