SUMMARY: weak umount!

        Given the variety of responses, there seems to be quite a bit of
confusion on this.  Solaris versions prior to 8 supposedly lack the -f
option to force umount, though Tim Yocum's Solaris 7 machine claims to
have the option.  Found out that some relevant tools that may
sometimes help you out of a stuck filesystem scenario are:

        fuser, which lets you find out (and
optionally kills processes for) who's using a
filesystem

        lockfs, which locks a filesystem.  when
it's locked, you're able to unmount it (so the
manpage claims).  unfortunately when i tried it on
my nfs filesystem, it said inappropriate ioctl for
device, so perhaps this is for local filesystems
only.
        So if you're a Solaris 7 or lower user, you apparently really do
have to reboot, which kind of blows my mind.  My pdp11 knew how to force
an umount for crying out loud.  Thank heavens for Solaris 8.

        Thanks to all who responded, though I at first though the advice
to reboot was a joke.  I ended up having to reboot and was accused by my
peers of being a Gates shill.

--jake


On Wed, 14 Nov 2001, Jacob Ritorto wrote:

> Hi,
>
> *real* quick..
>
> what's the trick to forcibly umount an nfs filesystem in Solaris7?
>
> tia
>
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