Re: Determining process preventing umount of busy partition

[Matthew Seaman]

Matthew Seaman wrote:

Polytropon wrote:

Replying to my own message... I'm so stupid: How do I *use* lsof which
is /usr/local/sbin/lsof when actually trying to umount /usr? Can I
put a copy of it into, let's say, /root/bin? I've checked library
dependencies:

    # which lsof | xargs ldd
    /usr/local/sbin/lsof:
            libkvm.so.4 => /lib/libkvm.so.4 (0x280a2000)
            libc.so.7 => /lib/libc.so.7 (0x280aa000)

So this is on the / partition. This should work, am I right?

Don't use lsof for that then.  Use fstat(1) which is part of the base
system:

    # fstat -f /usr

will seriously cramp its style.  As you say -- there are no shlib
dependencies on stuff under /usr so just slap a copy somewhere on
the root partition and away you go.

        Cheers,


       partition.

--
Dr Matthew J Seaman MA, D.Phil.                   7 Priory Courtyard
                                                 Flat 3
PGP: http://www.infracaninophile.co.uk/pgpkey     Ramsgate
                                                 Kent, CT11 9PW

Must stop replying to these things before I've had enough coffee. fstat(1) is of course installed as /usr/bin/fstat so unmounting /usr Matthew, who avoids having to think about any of this stuff by the simple expedient of not having a separate /usr

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