autotest/autotest — pull request #72 by zhouqt (2011-11-15 13:45:57+00:00)
Title: KVM Test: Add a new test nfs_corrupt

Subtest nfs_corrupt is used to check the change of VM status when disk I/O error
happen. Only test Linux platform, write disk by dd command. Setup NFS service
by pre_command and post_command.

Signed-off-by: Amos Kong

Update this case, using 'iptables' command to filter nfs connection instead of
stop nfs service, because maybe there are some other nfs service provided on the
same host.

Signed-off-by: Qingtang Zhou