Path: utzoo!utgpu!watmath!clyde!att!osu-cis!tut.cis.ohio-state.edu!ukma!mailrus!cornell!uw-beaver!rice!sun-spots-request From: elsie!ado@ncifcrf.gov (Arthur David Olson) Newsgroups: comp.sys.sun Subject: Re: Shutting down a Sun System with a Shell Script Message-ID: <8514@elsie.UUCP> Date: 9 Dec 88 11:06:12 GMT References: <8811102135.AA09427@rice.edu> Sender: usenet@rice.edu Organization: Rice University, Houston, Texas Lines: 22 Approved: Sun-Spots@rice.edu Original-Date: 23 Nov 88 22:22:18 GMT X-Sun-Spots-Digest: Volume 7, Issue 39, message 2 of 13 STELLABO@CSHLAB.BITNET writes: > Is there anyway to. . . > 1) Bring the system down to single user with the Shutdown Command > 2) umount the /usr file systems > 3) Perform a level (1-9) on the /usr file system. . . No. A quick look reveals that. . . Script started on Wed Nov 23 17:19:42 1988 elsie$ /bin/ls -l /etc/umount /etc/dump lrwxrwxrwx 1 root 15 Oct 11 15:40 /etc/dump -> ../usr/etc/dump lrwxrwxrwx 1 root 17 Oct 11 15:40 /etc/umount -> ../usr/etc/umount elsie$ exit script done on Wed Nov 23 17:19:53 1988 . . .both /etc/umount and /etc/dump are "really" on the /usr partition. So when you try to umount /usr, the partition is "busy" and can't be unmounted; even if you *could* unmount it, you couldn't do the dump. To make things work right, Sun would at least get to move dump and umount to /sbin. Arthur David Olson ado@ncifcrf.gov ADO is a trademark of Ampex.