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Old 06-28-2004, 11:37 AM   #1
dlester03
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Registered: Jun 2004
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RPC error during shutdown


Hi, I am having a problem with the shutdown sequence on a 2 node cluster. The first node of the cluster shuts down fine. However, when I attempt to shutdown node2, I get the following error:

Unmounting NFS filesystems: Cannot MOUNTPROG RPC: RPC: Port mapper failure - RPC: Unable to receive
Cannot MOUNTPROG RPC: RPC: Port mapper failure - RPC: Unable to receive
umount2: Device or resource busy
umount: /mnt/log: device is busy
Cannot MOUNTPROG RPC: RPC: Port mapper failure - RPC: Unable to receive
Cannot MOUNTPROG RPC: RPC: Port mapper failure - RPC: Unable to receive
Cannot MOUNTPROG RPC: RPC: Port mapper failure - RPC: Unable to receive
Cannot MOUNTPROG RPC: RPC: Port mapper failure - RPC: Unable to receive
[FAILED]

System hangs here on shutdown. Both systems are set up the same way and clustering is always stopped first on both nodes. This is on a redhat enterprise 2.1 server using 2.4.20 kernel and nfs-utils-0.3.3-4

I think I have narrowed this down to where I believe that the netfs script is where the system is hanging. I see that the netfs script uses umount -f -a -t on the nfs mounted file systems and also runs fuser -k to free up any filesystems being used, but I can not figure out where this message is coming from or how to get around it and get the system to shutdown cleanly.

Any help appreciated.
 
Old 06-30-2004, 10:12 PM   #2
deloptes
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you should unmount your nfs shares before doing this
 
Old 06-30-2004, 10:15 PM   #3
deloptes
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but i am not sure if it will work if there are locked files - my be script something to check those cases and delay the shutdown untill everything is fine - or kill all that uses nfs mounts from the cluster that's going down
 
  


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