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История изменений

Исправление Pinkbyte, (текущая версия) :

Да ты что! А ты думаешь я не пробовал?

oas1 ~ #  btrfs filesystem usage /
Overall:
    Device size:                 100.00GiB
    Device allocated:             72.52GiB
    Device unallocated:           27.48GiB
    Device missing:                  0.00B
    Used:                         70.04GiB
    Free (estimated):             28.23GiB      (min: 14.49GiB)
    Data ratio:                       1.00
    Metadata ratio:                   2.00
    Global reserve:              102.62MiB      (used: 0.00B)

Data,single: Size:69.00GiB, Used:68.25GiB (98.91%)
   /dev/mapper/animelover-btrfs   69.00GiB

Metadata,DUP: Size:1.75GiB, Used:913.72MiB (50.99%)
   /dev/mapper/animelover-btrfs    3.50GiB

System,DUP: Size:8.00MiB, Used:16.00KiB (0.20%)
   /dev/mapper/animelover-btrfs   16.00MiB

Unallocated:
   /dev/mapper/animelover-btrfs   27.48GiB
oas1 ~ #  btrfs filesystem usage /usr/portage
Overall:
    Device size:                 100.00GiB
    Device allocated:             72.52GiB
    Device unallocated:           27.48GiB
    Device missing:                  0.00B
    Used:                         70.04GiB
    Free (estimated):             28.23GiB      (min: 14.49GiB)
    Data ratio:                       1.00
    Metadata ratio:                   2.00
    Global reserve:              102.62MiB      (used: 0.00B)

Data,single: Size:69.00GiB, Used:68.25GiB (98.91%)
   /dev/mapper/animelover-btrfs   69.00GiB

Metadata,DUP: Size:1.75GiB, Used:913.72MiB (50.99%)
   /dev/mapper/animelover-btrfs    3.50GiB

System,DUP: Size:8.00MiB, Used:16.00KiB (0.20%)
   /dev/mapper/animelover-btrfs   16.00MiB

Unallocated:
   /dev/mapper/animelover-btrfs   27.48GiB

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TL;DR - btrfs filesystem работает в контексте ВСЕЙ ФС, а путь нужен только чтобы определить какую именно ФС смотреть(если у нас их несколько, именно самих ФС, не subvolume внутри). На subvolume оно не смотрит

Исправление Pinkbyte, :

Да ты что! А ты думаешь я не пробовал?

oas1 ~ #  btrfs filesystem usage /
Overall:
    Device size:                 100.00GiB
    Device allocated:             72.52GiB
    Device unallocated:           27.48GiB
    Device missing:                  0.00B
    Used:                         70.04GiB
    Free (estimated):             28.23GiB      (min: 14.49GiB)
    Data ratio:                       1.00
    Metadata ratio:                   2.00
    Global reserve:              102.62MiB      (used: 0.00B)

Data,single: Size:69.00GiB, Used:68.25GiB (98.91%)
   /dev/mapper/animelover-btrfs   69.00GiB

Metadata,DUP: Size:1.75GiB, Used:913.72MiB (50.99%)
   /dev/mapper/animelover-btrfs    3.50GiB

System,DUP: Size:8.00MiB, Used:16.00KiB (0.20%)
   /dev/mapper/animelover-btrfs   16.00MiB

Unallocated:
   /dev/mapper/animelover-btrfs   27.48GiB
oas1 ~ #  btrfs filesystem usage /usr/portage
Overall:
    Device size:                 100.00GiB
    Device allocated:             72.52GiB
    Device unallocated:           27.48GiB
    Device missing:                  0.00B
    Used:                         70.04GiB
    Free (estimated):             28.23GiB      (min: 14.49GiB)
    Data ratio:                       1.00
    Metadata ratio:                   2.00
    Global reserve:              102.62MiB      (used: 0.00B)

Data,single: Size:69.00GiB, Used:68.25GiB (98.91%)
   /dev/mapper/animelover-btrfs   69.00GiB

Metadata,DUP: Size:1.75GiB, Used:913.72MiB (50.99%)
   /dev/mapper/animelover-btrfs    3.50GiB

System,DUP: Size:8.00MiB, Used:16.00KiB (0.20%)
   /dev/mapper/animelover-btrfs   16.00MiB

Unallocated:
   /dev/mapper/animelover-btrfs   27.48GiB

Найдешь 10 отличий?

TL;DR - btrfs filesystem работает в контексте ВСЕЙ ФС, а путь нужен только чтобы определить какую именно ФС смотреть(если у нас их несколько). На subvolume оно не смотрит

Исходная версия Pinkbyte, :

Да ты что! А ты думаешь я не пробовал?

oas1 ~ #  btrfs filesystem usage /
Overall:
    Device size:                 100.00GiB
    Device allocated:             72.52GiB
    Device unallocated:           27.48GiB
    Device missing:                  0.00B
    Used:                         70.04GiB
    Free (estimated):             28.23GiB      (min: 14.49GiB)
    Data ratio:                       1.00
    Metadata ratio:                   2.00
    Global reserve:              102.62MiB      (used: 0.00B)

Data,single: Size:69.00GiB, Used:68.25GiB (98.91%)
   /dev/mapper/animelover-btrfs   69.00GiB

Metadata,DUP: Size:1.75GiB, Used:913.72MiB (50.99%)
   /dev/mapper/animelover-btrfs    3.50GiB

System,DUP: Size:8.00MiB, Used:16.00KiB (0.20%)
   /dev/mapper/animelover-btrfs   16.00MiB

Unallocated:
   /dev/mapper/animelover-btrfs   27.48GiB
oas1 ~ #  btrfs filesystem usage /usr/portage
Overall:
    Device size:                 100.00GiB
    Device allocated:             72.52GiB
    Device unallocated:           27.48GiB
    Device missing:                  0.00B
    Used:                         70.04GiB
    Free (estimated):             28.23GiB      (min: 14.49GiB)
    Data ratio:                       1.00
    Metadata ratio:                   2.00
    Global reserve:              102.62MiB      (used: 0.00B)

Data,single: Size:69.00GiB, Used:68.25GiB (98.91%)
   /dev/mapper/animelover-btrfs   69.00GiB

Metadata,DUP: Size:1.75GiB, Used:913.72MiB (50.99%)
   /dev/mapper/animelover-btrfs    3.50GiB

System,DUP: Size:8.00MiB, Used:16.00KiB (0.20%)
   /dev/mapper/animelover-btrfs   16.00MiB

Unallocated:
   /dev/mapper/animelover-btrfs   27.48GiB

Найдешь 10 отличий?