Why does 'exportfs -arv' return nothing and 'showmount -e' hang on a Red Hat Enterprise Linux 5 machine ?
Issue
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On a machine which has NFS daemon running but nothing exported via /etc/exports, 'exportfs -arv' would not return anything but 'showmount -e' should return :
# showmount -e Export list for <hostname> -
Instead of returning an empty list, 'showmount -e' hangs. Why is this so ?
-
From the output of 'strace' for 'showmount -e', there was a time out waiting for a reply on localhost :
socket(PF_INET, SOCK_STREAM, IPPROTO_TCP) = 3 bind(3, {sa_family=AF_INET, sin_port=htons(0), sin_addr=inet_addr("0.0.0.0")}, 16) = 0 connect(3, {sa_family=AF_INET, sin_port=htons(111), sin_addr=inet_addr("158.140.72.209")}, 16) = -1 ETIMEDOUT (Connection timed out) close(3)
Environment
- Red Hat Enterprise Linux 5
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