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Full Discussion: NFS problem AIX6.1
Operating Systems AIX NFS problem AIX6.1 Post 302759461 by bakunin on Tuesday 22nd of January 2013 10:41:18 AM
Old 01-22-2013
First off: it looks like you are trying to handle NIM-shares by hand: don't do that! Most NIM problems come from exporting the NIM root-tree (or a superset of it) via NFS and then trying to allocate a NIM-resource (which will create the entry in "/etc/exports" and run the export automatically). This sometimes fails for no apparent reason. Honestly, i believe this to be a weak spot in an otherwise phantastic OS.

Second: it lies in the nature of NFS to have very, very long timeouts. If - for instance - a DNS server becomes unresponsive and your exports use Domain Names instead of raw IP addresses it might look like NFS got stuck while in fact the DNS server is responsible and DNS is just trying very long to before giving up. Something like this might be the case here.

Unfortunately, really stuck NFS mounts are reasonably got rid of only by a reboot, otherwise you might have to wait for really long times (sometimes even hours) before accomplishing it.

I hope this helps.

bakunin
 

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MOUNTD(8)						    BSD System Manager's Manual 						 MOUNTD(8)

NAME
mountd -- service remote NFS mount requests SYNOPSIS
/sbin/mountd [-nr] [exportsfile] DESCRIPTION
Mountd is the server for NFS mount requests from other client machines. Mountd listens for service requests at the port indicated in the NFS server specification; see Network File System Protocol Specification, RFC1094, Appendix A and NFS: Network File System Version 3 Protocol Specification, Appendix I. Options and operands available for mountd: -n The -n option allows non-root mount requests to be served. This should only be specified if there are clients such as PC's, that require it. -r The -r option allows mount RPCs requests for regular files to be served. Although this seems to violate the mount protocol specifi- cation, some diskless workstations do mount requests for their swapfiles and expect them to be regular files. Since a regular file cannot be specified in /etc/exports, the entire file system in which the swapfiles resides will have to be exported with the -alldirs flag. exportsfile The exportsfile argument specifies an alternate location for the exports file. When mountd is started, it loads the export host addresses and options into the kernel using the mount(2) system call. After changing the exports file, a hangup signal should be sent to the mountd daemon to get it to reload the export information. After sending the SIGHUP (kill -s HUP `cat /var/run/mountd.pid`), check the syslog output to see if mountd logged any parsing errors in the exports file. FILES
/etc/exports the list of exported filesystems /var/run/mountd.pid the pid of the currently running mountd SEE ALSO
nfsstat(1), exports(5), nfsd(8), portmap(8), showmount(8) HISTORY
The mountd utility first appeared in 4.4BSD. BSD
April 28, 1995 BSD
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