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Bug 6516

Summary: nfs client locks df and other things when server machine dies
Product: [Retired] Red Hat Linux Reporter: maxfield
Component: nfs-serverAssignee: David Lawrence <dkl>
Status: CLOSED WONTFIX QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: 6.1   
Target Milestone: ---   
Target Release: ---   
Hardware: i386   
OS: Linux   
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 1999-10-30 13:02:58 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:

Description maxfield 1999-10-29 20:52:54 UTC
I have two machines, imaginatively called "one" and "nine"

 nine exported / to one, with no_root_squash.

 one mounted nine under directory nine.
mount -t nfs nine:/ /nine

  nine was powered down.

  one's load went up to over 16, as users ran "df"
occasionally. df never exited. I tried to unmount /nine as
root.  That process hung forever.  I was forced to reboot
the machine.  It took quite a while for the nfs services on
one to shut down.

Comment 1 Jeff Johnson 1999-10-30 13:02:59 UTC
This is not a bug, but typical behavior when an NFS server goes down.