On Mon, April 3, 2006 9:58 am, mcclnx mcc wrote: > We have Redhat AS 3.4 on DELL server. One of file > system mount from SAN can NOT "umount" even NO > process relate to it. Can anyone tell me how to > umount it without reboot. > > Thanks. > > > # umount /u5 > umount: /u5: device is busy > # fuser /u5 > /u5: > No process references; use -v for the complete list > # lsof /u5 > # fuser -km /u5 > # umount /u5 > umount: /u5: device is busy Without knowing the layout of your system, two things come to mind: 1) Someone has a shell open, and is sitting in the directory/filesystem 2) You have another filesystem mounted as a subirectory of /u5, and /u5 can't be unmounted until that other filesystem is unmounted: i.e. /u5 is mounted, and then /u5/joeschmoe is mounted as a subdir. -- Mike Burger http://www.bubbanfriends.org Visit the Dog Pound II BBS telnet://dogpound2.citadel.org or http://dogpound2.citadel.org:2000 To be notified of updates to the web site, visit http://www.bubbanfriends.org/mailman/listinfo/site-update, or send a message to: site-update-request@xxxxxxxxxxxxxxxxx with a message of: subscribe -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list