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ilovezfs/bigsur-unmount-fail.sh

Created May 2, 2021 15:34
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bigsur-unmount-fail.sh
#!/bin/bash -x
sw_vers
zpool version
NUMSECTORS=1280000
mydev=`hdiutil attach -nomount ram://$NUMSECTORS`
sudo zpool create foo $mydev
sudo zfs snapshot foo@s1
sudo zfs create foo/bar
sudo zfs rollback foo@s1
sudo zfs unmount foo/bar
sudo zfs unmount -f foo/bar
sudo zfs unmount foo
sudo zfs unmount -f foo
sudo umount -f /Volumes/foo/bar
sudo umount -f /Volumes/foo
sudo zfs mount -a
sudo zpool export foo
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