tune2fs, make free space to appear
ext2 ant ext3 file systems has reserved 5% disk space in case of dissapeared free space, for system proccesses. That system wouldn’t crash and would keep going. For big filesystems those 5% are too much(with 1TB it would be 50G for system procceses), so we can tune a little bit. You can check how much reserved space partition has with (You need root privileges for all actions):
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$ sudo tune2fs -l /dev/sda1 | grep Reserved Reserved block count: 12441 Reserved GDT blocks: 256 Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) |
to change reserved space (in percents)
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$ sudo tune2fs -m 1 /dev/sda1 |
check how much it got bigger
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df -h |
