Bug 5346

Summary:	problems with /cdrom exports
Product:	[Retired] Red Hat Linux	Reporter:	srwalton
Component:	nfs-utils	Assignee:	Michael K. Johnson <johnsonm>
Status:	CLOSED CURRENTRELEASE	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	7.0	CC:	atris, mhatton
Target Milestone:	---
Target Release:	---
Hardware:	i386
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2003-04-14 17:49:17 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description srwalton 1999-09-24 11:02:03 UTC

On RedHat 5.2, I had set up a system with the CD-ROM mounted
as /cdrom, 'user' mount privileges enabled, and /cdrom NFS
exported to an HP-UX 10.20 system.  Worked fine.  At RedHat
6.0, this no longer works.  Specifically:

1.  The HP-UX system cannot see the contents of the CD, even
though both the RedHat and HP sides report a successful
mount.  In particular, "ls /net/redhatbox/cdrom" on the HP
returns no output (where /net/redhatbox/cdrom is the NFS
mount point on the NFS client).  No errors appear on the
console or in any logs on either system.

2.  After a successful umount of the CD from the NFS client,
the RedHat system will not allow an unmount of the physical
CD unless NFS is stopped first;  '/cdrom:  device busy' is
the error returned otherwise.  This is the case when the
only NFS mount is from a non-HP-UX system as well.

I can export any other file system from RedHat to the HP-UX
box without trouble.  I have tried knfsd-1.4.7 from the
Rawhide distribution but there was no change.  I have tried
/sbin/rpcdebug but it complains that /proc/net/rpc/debug
doesn't exist.

Comment 1 atris 2000-02-08 14:33:59 UTC

I also see such things on my RedHat 6.1.
When I mount _any_ filesystem, export them into NFS,
mount exported NFS shares, succesfully use them,
successfully unmount NFS shares, then I try to unmount
filesystem, ang got 'device busy'. After stopping and starting
NFS daemon I was able to unmount my filesystems. Simple restarting
NFS daemon does not have effect. I must stop and start nfsd again.

Comment 2 Cristian Gafton 2000-08-09 02:35:50 UTC

assigned to johnsonm

Comment 3 Stephen John Smoogen 2003-01-24 18:27:15 UTC

Is this problem still occuring in Red Hat Linux 7.3/8.0? I could not duplicate
the exact problem, but may not be following the same steps as yours.

Comment 4 Jay Turner 2003-04-14 17:49:17 UTC

Closing this out as result of bit-rot.