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Thread: NFS client issue SLES11

  1. #1
    sakula NNTP User

    NFS client issue SLES11


    Hi all,

    I am trying to mount an NFS filesystem hosted by Celerra on our Linux
    system - OS: SLES11 SP1
    I get the following error: "mount.nfs: mount to NFS server
    'x.x.x.x:/sapextract' failed: RPC Error: Program not registered"

    Following is the output while checking nfs, rpcbind and portmap
    services:
    /etc/init.d/nfs status
    Checking for mounted nfs shares (from /etc/fstab):

    unused
    /etc/init.d/rpcbind status
    Checking for service rpcbind

    running
    /etc/init.d/portmap status
    -bash: /etc/init.d/portmap: No such file or directory


    Is there any specific configuration for SLES11 SP1 for NFS client?
    NFS client on SLES10 was pretty staright forward

    Thanks in advance
    Shilpa


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  2. #2
    dpartrid NNTP User

    Re: NFS client issue SLES11


    Your error "RPC Error: Program not registered" means the client asked
    the server for some service but the server side says that service is not
    running. There is a small chance that SLES11 SP1 is looking for a
    version of a service, or a transport (TCP vs UDP) that is different that
    what SLES10 asked for by default, but it is also likely that some daemon
    has failed on the Celerra side.

    Have the client do: rpcinfo -p <ip_of_celerra>
    and make sure that the list which comes back includes all 5 services
    involved with NFS usage: portmapper, mountd, nfs, lock manager, status.
    If one of these is missing (or if you get the same rpc error) then
    something is wrong on the Celerra side.


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  3. #3
    sakula NNTP User

    Re: NFS client issue SLES11


    Hi,

    Thanks a lot for the reply. We have other clients (SLES10 SP2) that
    mount NFS filesystems from Celerra without any issues. The issue happens
    only with this particular host running SLES11 SP1. Following is the
    output of rpcinfo on the SLES11 client

    rpcinfo -p x.x.x.x
    program vers proto port service
    100000 2 tcp 111 portmapper
    100000 2 udp 111 portmapper
    100024 1 udp 32768 status
    100024 1 tcp 32768 status
    706000 1 udp 956
    707000 1 udp 32829

    I feel some configuration/service particular to SLES11 is missing on
    the client side.
    Please advise


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  4. #4
    dpartrid NNTP User

    Re: NFS client issue SLES11


    The output you gave from rpcinfo -p is either not for the Celerra NFS
    server or the Celerra server has serious problems. That output looks
    more like the client's own information. What address did you put in as
    the x.x.x.x? As stated in my original reply, that was to be the ip
    address of the Celerra. You can *run* the command from the client, but
    it is to point to the Celerra's address. If that is really the
    Celerra's information, then it is not even successfully running an NFS
    daemon, nor a mount daemon, nor NFS lock manager daemon. All of which
    should be running if the Celerra is an NFS server. Indeed, your error
    says, "mount.nfs: mount to NFS server 'x.x.x.x:/sapextract' failed: RPC
    Error: Program not registered" and according to the rpcinfo list, that
    is true: The mount daemon is not registered (running) on your target.

    So maybe your x.x.x.x was not correct, or maybe there is a duplicate IP
    address on the network so you're not reaching the host you think you are
    reaching.

    Do your other "working" clients get more services showing up when they
    do "rpcinfo -p x.x.x.x" with the same Celerra IP address? Are those
    other clients on the same subnet as the non-working client, or a
    different subnet?


    But putting aside the concern of whether the IP address is correct and
    whether services are registered correctly on the Celerra, and just
    considering other things that might be influencing your ability to mount
    on the client side:

    If the Celerra has more than one IP address bound to it, try pointing
    your client's mount request to the other IP address.

    Try adding the parameters "proto=tcp,mountproto=tcp" to your client
    mount options.

    LAN trace analysis could be very helpful, especially if you analyzed
    simultaneous packet traces taken from sles 11 nfs cleint and celerra nfs
    server. If might also be useful to trace one of the working system
    examples for comparison.


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