[Help] Reserved Blocks

5% Reserved Blocks

Get infos (before)

dumpe2fs -h /dev/sda1 | grep -i 'block count'

dumpe2fs 1.43.4 (31-Jan-2017)
Block count:              5016832
Reserved block count:     250841

Calculate percent of reserved block (before)

Reserved block count / Block count * 100 = Reserved block percent

Ex: 250841 / 5016832 * 100 = 4,9999880402612644792570291371128 (~5%)

Change percent of reserved block to 1%

tune2fs -m 1 /dev/sda1

Get infos (after)

dumpe2fs -h /dev/sda1 | grep -i 'block count'

dumpe2fs 1.43.4 (31-Jan-2017)
Block count:              5016832
Reserved block count:     50168

Calculate percent of reserved block (after)

Reserved block count / Block count * 100 = Reserved block percent

Ex: 50168 / 5016832 * 100 = 0,99999362147267438893708220646017 (~1%)