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Newbie question on NFS: problem with cp: closing Operation not permitted

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  • Newbie question on NFS: problem with cp: closing Operation not permitted

    Hello

    First, thanks to Tantalus for his firmware upgrade - I am using the latest download on my lg N2B1

    Second, sorry, I do not understand German and this has limited my search of the existing forum

    I have just started nfs and get this strange error

    On the nfs client (a slackware 13.37 basic linux box), when copying a file on the nfs mounted drive I get the following error:

    Code:
    cp tfile tfile2
    cp: closing 'tfile2': Operation not permitted

    The file 'tfile2' is created - it is a simple text file and is created accurately. The cp command works fine when remotely logged into the NAS server through ssh

    When I do an strace of the command and compare it to an identical command locally on the client I get the following differences:

    Code:
    open("tfile", O_RDONLY) = 3
    fstat(3, {st_mode=S_IFREG|0644, st_size=35, ...}) = 0
    open("tfile2", O_WRONLY|O_CREAT|O_EXCL, 0644) = 4
    fstat(4, {st_mode=S_IFREG|0644, st_size=0, ...}) = 0
    uname({sys="Linux", node="felix", ...}) = 0
    ioctl(3, FS_IOC_FIEMAP, 0x7fffba7df3a0) = -1 EOPNOTSUPP (Operation not supported)
    read(3, "Newsletter136.pdf\nlg\nlg2\nlg3\ntfi"..., 32768) = 35
    write(4, "Newsletter136.pdf\nlg\nlg2\nlg3\ntfi"..., 35) = 35
    read(3, "", 32768) = 0
    close(4) = -1 EPERM (Operation not permitted)


    Anyone else having this error or knows how to correct it?

    After a little bit of internet searches, is this a kernel problem with FS_IOC_FIEMAP???? Am not an expert in this...

    Many thanks

    Dave M

  • #2
    Think I found the answer - should have read Tantalus' note more closely - N2B1 firmware has a bug since version 2557. Loading an older version, 2450, fixes the problem.

    VR

    Dave

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