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Full Discussion: Fsck in running system
Top Forums UNIX for Advanced & Expert Users Fsck in running system Post 302461232 by jim mcnamara on Saturday 9th of October 2010 08:00:30 AM
Old 10-09-2010
The only ways I am aware of
on shutdown
Code:
shutdown -rF

Code:
cd / && touch /forcefsck

Both of these work independently of fstab. I believe when you try the fstab method you are seeing standard behavior.
 
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UMOUNT(8)						    BSD System Manager's Manual 						 UMOUNT(8)

NAME
umount -- unmount filesystems SYNOPSIS
umount [-fv] special | node umount -a | -A [-fv] [-h host] [-t type] DESCRIPTION
The umount command calls the unmount(2) system call to remove a special device or the remote node (rhost:path) from the filesystem tree at the point node. If either special or node are not provided, the appropriate information is taken from the fstab(5) file. The options are as follows: -a All the filesystems described in fstab(5) are unmounted. -A All the currently mounted filesystems except the root are unmounted. -f The filesystem is forcibly unmounted. Active special devices continue to work, but all other files return errors if further accesses are attempted. The root filesystem cannot be forcibly unmounted. -h host Only filesystems mounted from the specified host will be unmounted. This option is implies the -A option and, unless otherwise spec- ified with the -t option, will only unmount NFS filesystems. -t type Is used to indicate the actions should only be taken on filesystems of the specified type. More than one type may be specified in a comma separated list. The list of filesystem types can be prefixed with ``no'' to specify the filesystem types for which action should not be taken. For example, the umount command: umount -a -t nfs,hfs umounts all filesystems of the type NFS and HFS. -v Verbose, additional information is printed out as each filesystem is unmounted. FILES
/etc/fstab filesystem table SEE ALSO
unmount(2), fstab(5), mount(8) HISTORY
A umount command appeared in Version 6 AT&T UNIX. 4th Berkeley Distribution May 8, 1995 4th Berkeley Distribution

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