NFS won't work till I start HACMP Post: 302398555

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Operating Systems AIX NFS won't work till I start HACMP Post 302398555 by shockneck on Thursday 25th of February 2010 02:44:15 AM

02-25-2010

Registered User

Quote:

Originally Posted by qiulang

Hi,

My NFS does not work till I start HACMP. The NFS service is indeed started when server starts. But it is not in active state, when I use lssrc to check NFS services' status I find they are all in inoperative status. But after I start HACMP (smitty clstart), all NFS services become active automaticlly.

Why is that ?

BTW, my /etc/exports is rather simple, something like

/share -anon=500,sec=sys:krb5p:krb5i:krb5：dh,rw

Because of the HACMP design. HACMP does not expect you to have exports beside the cluster resources. Using both the AIX /etc/exports and the Cluster /usr/es/sbin/cluster/etc/exports is a (well known) possible source for cluster failure i.e. bad administration. Without the activated Resource Group there should be nothing of interest on the cluster node. So do not use a non-service IP-address or a persistent address for NFS exports. You should use a Service Label for the NFS export and let HACMP handle when/where to export the FS.

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LEARN ABOUT REDHAT

showmount

SHOWMOUNT(8)						      System Manager's Manual						      SHOWMOUNT(8)

NAME

       showmount - show mount information for an NFS server

SYNOPSIS

       /usr/sbin/showmount [ -adehv ] [ --all ] [ --directories ] [ --exports ] [ --help ] [ --version ] [ host ]

DESCRIPTION

       showmount  queries  the	mount  daemon on a remote host for information about the state of the NFS server on that machine.  With no options
       showmount lists the set of clients who are mounting from that host.  The output from showmount is designed to appear as though it were pro-
       cessesed through ``sort -u''.

OPTIONS

       -a or --all
	      List both the client hostname and mounted directory in host:dir format.

       -d or --directories
	      List only the directories mounted by some client.

       -e or --exports
	      Show the NFS server's export list.

       -h or --help
	      Provide a short help summary.

       -v or --version
	      Report the current version number of the program.

       --no-headers
	      Suppress the descriptive headings from the output.

SEE ALSO

       rpc.mountd(8), rpc.nfsd(8)

BUGS

       The completeness and accurary of the information that showmount displays varies according to the NFS server's implementation.

       Because showmount sorts and uniqs the output, it is impossible to determine from the output whether a client is mounting the same directory
       more than once.

AUTHOR

       Rick Sladkey <jrs@world.std.com>

								  6 October 1993						      SHOWMOUNT(8)

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