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Hi * I'm looking for advice for best solution for following problem: I have file server sharing files to diskless clients via NFS I want have setup, where pluging ext. ...
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  1. #1
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    Best solution for following problem...


    Hi *

    I'm looking for advice for best solution for following problem:

    I have file server sharing files to diskless clients via NFS

    I want have setup, where pluging ext. USB HDD will be dynamically visible on clients as new <subdir> with HDD contents.
    So if user plug USB HD on server, diskless clients should see plugged HDD contents in dynamically created <subdirectory> with name equal to HD label and HD contents inside it.

    I already wrote udev script which auto creates subdir=<label> in NFS server shared dir, and automounts USB HD in this subdir.

    Issue is that diskless clients don't see this subdir unless I issue on server

    exportfs -ua
    exportfs -a

    Problem is that above unexporting/exporting sequence issued on server brokes existing NFS shares between clients and server.

    What is most elegant solution for such functional requirement ?

    thx in advance

  2. #2
    Just Joined! chris81's Avatar
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    Hi

    Quote Originally Posted by warped View Post
    Issue is that diskless clients don't see this subdir unless I issue on server

    exportfs -ua
    exportfs -a

    Problem is that above unexporting/exporting sequence issued on server brokes existing NFS shares between clients and server.
    The third synopsis shows how to unexported a currently exported directory. When using exportfs -ua, all entries listed in xtab are removed from the kernel export tables, and the file is cleared. This effectively shuts down all NFS activity.

    (from exportfs( - Linux man page)

    What about exportfs -r ?


    chris81

  3. #3
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    thx

    Well,

    Can explain why I overlook -r option.
    It looks like thing which I'm looking for.
    After some basic test all seems to be OK.
    thx for Your replay.
    So nice somebody trying to help.
    All the best

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