Questions tagged [mkfs]

33 questions
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Mounted .img file does not clear up disk space when files are deleted

I have a requirement to use more inodes than normally available on most file systems. Therefore, I create and mount a ext4 filesystem with a custom inode setting: dd if=/dev/zero of=loop0.img bs=1MB count=5000 losetup --find --show…
ParoX
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mkfs + any solution for “could not read block” or disk replacing

we doing mkfs on the disk sda as the following mkfs.ext4 -j -m 0 /dev/sda -F mke2fs 1.42.9 (28-Dec-2013) Warning: could not erase sector 2: Attempt to write block to filesystem resulted in short write Filesystem label= OS type: Linux Block…
King David
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getting "/dev/sdb is apparently in use by the system" after adding an independent disk to the machine

In my centos7 when I add and partition a new disk to the machine and try to make files system on top of it , I get this annoying error message /dev/sdb is apparently in use by the system; will not make a filesystem here The point is that the disk…
Houdini
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