https://bugs.kde.org/show_bug.cgi?id=415512
Bug ID: 415512
Summary: Krusader fails to copy files to "full" btrfs
filesystem but with enough unallocated space
Product: krusader
Version: 2.7.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: disk-usage
Assignee: krusader-bugs-n...@kde.org
Reporter: linux2...@plntyk.name
CC: krusader-bugs-n...@kde.org
Target Milestone: ---
SUMMARY
Krusader fails to copy file to a btrfs filesystem that reports 0 byte free
STEPS TO REPRODUCE
1. use a btrfs filesystem until metablocks are full on a large disk (example: 8
terabyte filesystem) - it reports 0 bytes free
2. try to copy a file with Krusader that fits on the disk (smaller than
unallocated chunks on btrfs)
OBSERVED RESULT
copy fails with popup error message
EXPECTED RESULT
copy is successful
SOFTWARE/OS VERSIONS
Linux: Kernel 5.4.6
KDE Plasma Version: 5.17.4
KDE Frameworks Version: 5.65.0
Qt Version: 5.14.0
ADDITIONAL INFORMATION
- Copying files with "cp" on commandline is successful
- btrfs fi usage shows enough unallocated space
- this happened twice on a large disk (8 terabyte) - once at ~4TB unallocated
space and now at "almost full"
- Dolphin fails to copy to that btrfs filesystem too
btrfs fi usage output:
Overall:
Device size: 7.28TiB
Device allocated: 7.13TiB
Device unallocated: 148.00GiB
Device missing: 7.28TiB
Used: 7.13TiB
Free (estimated): 153.85GiB (min: 79.85GiB)
Data ratio: 1.00
Metadata ratio: 2.00
Global reserve: 512.00MiB (used: 0.00B)
Data,single: Size:7.12TiB, Used:7.11TiB (99.92%)
Metadata,DUP: Size:8.00GiB, Used:7.78GiB (97.27%)
System,DUP: Size:8.00MiB, Used:784.00KiB (9.57%)
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