While mouting NFS shares more than 200 times using a script, the error "mount.nfs: Input/output error" appears
Issue
When trying to mount and umount a NFS share around 200 times after few time, it gives error as follows.
mount.nfs: Input/output error
The following script can be used to reproduce.
for i in $(seq 1 1000); do echo "mount nb $i" ;mount /mount_point; echo "connection number" $(netstat -an | grep 2049| wc -l) ; umount /mount_point ; done
And the output will be as follows after some time.
connection number 392
mount nb 197
mount.nfs: Input/output error
connection number 393
umount: /mount_point: not mounted
Environment
- Red Hat Enterprise Linux 5
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
