проверьте файловую систему Linux ext2 / ext3 / ext4 (check a Linux ext2/ext3/ext4 file system)
Сигналы (Signals)
The following signals have the following effect when sent to
e2fsck.
SIGUSR1
This signal causes e2fsck to start displaying a completion
bar or emitting progress information. (See discussion of
the -C option.)
SIGUSR2
This signal causes e2fsck to stop displaying a completion
bar or emitting progress information.
