Linux NFS automount, Sun Solaris NIS YP,

Discussion in 'Linux Networking' started by Philip Sheng, Jul 16, 2004.

  1. Philip Sheng

    Philip Sheng Guest

    I have successfuly made a Redhat Linux Enterprise V3 client join a Sun
    Solaris NIS YP domain. The auto home directory mounting part through NIS YP
    map works, users can use their NIS user ID and passwd to log into the Redhat
    client and see their home directories which reside on a NFS server running
    Solaris OS.

    However, there are some other directories on the same NFS server that should
    be auto-mounted by my clients too through the Solaris YP map. It
    works on Sun clients but not on the Redhad clients.

    I read some artciles saying that the YP map is not supported by
    the automount in Linux. Is it (still) true? If so, do I have other ways to
    auto-mount these directories on Redhat? using amd instead? Does amd support
    home directory auto-mount?


    Philip Sheng, Jul 16, 2004
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  2. Philip Sheng

    Juhan Leemet Guest

    I seem to remember answering this (or one like it) in another newsgroup?

    Someone, I believe on alt.os.linux.suse pointed out that a (recent?)
    version of the kernel automounter (autofs4) does support direct maps. I
    have not yet test this. I'm waiting for my SuSE 8.1 upgrade first.
    Juhan Leemet, Jul 17, 2004
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  3. Hmm.. It's supposed to work. But I equipped a set of Suse 9 boxes as
    yp clients, and the automount just did not work at all. Neer got
    round to finding out why. Let me know how you get on.
    Robert E A Harvey, Jul 17, 2004
  4. Philip Sheng

    Juhan Leemet Guest

    Which autofs did you use? My SuSE 8.2 standard install autofs is
    autofs-3.1.7 (and I'm pretty sure that doesn't support direct maps, but I
    can't remember if that's the one I tested, or on a previous SuSE version).
    Someone pointed out that you need to use the optional autofs4 (which in
    SuSE 8.2 is autofs4-4.0.0pre10 that is shipped, but is not part of the
    standard install. Which distro/version are you running? Which autofs?
    Juhan Leemet, Jul 17, 2004
  5. Don't know now. Whichever one came with suse 9. I did not have time
    to sort it, but I was surprised, 'cos both the server and the clients
    were installed off the same disks.
    Robert E A Harvey, Jul 18, 2004
  6. Philip Sheng

    Juhan Leemet Guest

    I don't think that matters. I believe the direct map support is a client
    only thing, as implemented in the appropriate autofs. It is quite possible
    that your SuSE 9.x NFS server is serving out direct maps just fine, but
    the client NFS with autofs does not know how to interpret them. I'm
    waiting for my SuSE 9.1 update, then I'll be testing this out.
    Juhan Leemet, Jul 19, 2004
  7. Philip Sheng

    Philip Sheng Guest

    I am using the autofs that comes with Red Hat Enterprise 3.
    Philip Sheng, Jul 20, 2004
  8. Philip Sheng

    Juhan Leemet Guest

    I don't know. I once found a version of amd and tried it on my SuSE Linux
    in a mixed Linux and Sun Solaris network. It broke all my NFS automount
    client stuff on the Linux box. I might have done something wrong, but
    since then I've been using autofs (kernel automounter). That works for me.
    OK, I don't know which one(s) that is. I suspect (conjecture on my part)
    that autofs-3.x does NOT support direct maps, but autofs4-4.x DOES support
    them. As soon as I get my SuSE 9.1 upgrade, I will test this again.

    Check with "rpm -q autofs" to see which version of autofs you have
    installed. It is possible RedHat may have come with more than one version?
    As I said, SuSE 8.2 comes with 3.1.7 and 4.0.0pre10.
    Juhan Leemet, Jul 22, 2004
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