NFS mount problems

[Paul Howarth]

Cory McIntire wrote:
> uname -a
> Linux odin 2.6.11-1.27_FC3smp #1 SMP Tue May 17 20:43:11 EDT 2005 i686 i686
> i386 GNU/Linux
> 
> I have some NFS mounts coming from the FC3 box going to various other
> machines, including:
> 
> Sun Solaris 8/SunOS5.8
> 
> one example: 
>  uname -a
> SunOS enigma 5.8 Generic_108528-16 sun4u sparc SUNW,Ultra-5_10
> 
> and HP_UX machines, one example:
> 
> uname -a
> HP-UX vornak B.11.11 U 9000/810 2015365771 unlimited-user license
> 
> Here is the kicker. I've tried various mounting options, but the end result
> after a period of time, is always the same. The main mount is /Build5. Deep
> into the mount, say 5 or 6 directories deep, 3 directories will disappear,
> however not completely. If I do an ls, you get this
> 
> #ls
> 
> AcrobatReader   Docs            Lc              Ut              workflow_svc
> Attclm          Du              Perform         ViewManager
> AutoSvrStartup  FileManager     RequestServer   Vlt
> C2              Ftridx          ServiceRequest  cenidx_svc
> Db              Inc             Su              centra_svc
> 
> However, a ls -l SHOULD give you this
> 
> # ls -l
> total 400
> drwxrwxrwx   3 builder    builder       4096 May 12 21:28 AcrobatReader
> drwxrwxrwx   5 builder    builder       4096 May 12 21:29 Attclm
> drwxrwxrwx   3 builder    builder       4096 May 12 21:29 AutoSvrStartup
> drwxrwxrwx   2 builder    builder      12288 May 12 21:35 C2
> drwxrwxrwx   2 builder    builder      20480 May 13 11:44 Db
> drwxrwxrwx   2 builder    builder       4096 May 12 21:29 Docs
> drwxrwxrwx   2 builder    builder       4096 May 12 21:33 Du
> drwxrwxrwx   4 builder    builder       4096 May 12 21:38 FileManager
> drwxrwxrwx   4 builder    builder       4096 May 12 21:38 Ftridx
> drwxrwxrwx   2 builder    builder       4096 May 12 21:35 Inc
> drwxrwxrwx   6 builder    builder       4096 May 12 21:38 Lc
> drwxrwxrwx   2 builder    builder       4096 May 12 21:38 Perform
> drwxrwxrwx   3 builder    builder       4096 May 12 21:38 RequestServer
> drwxrwxrwx   6 builder    builder       4096 May 12 21:29 ServiceRequest
> drwxrwxrwx   2 builder    builder      12288 May 12 21:37 Su
> drwxrwxrwx   2 builder    builder       4096 May 12 21:37 Ut
> drwxrwxrwx   4 builder    builder       4096 May 12 21:29 ViewManager
> drwxrwxrwx   2 builder    builder       4096 May 12 21:37 Vlt
> drwxrwxrwx   3 builder    builder       4096 May 12 21:29 cenidx_svc
> drwxrwxrwx   3 builder    builder       4096 May 12 21:29 centra_svc
> drwxrwxrwx   3 builder    builder       4096 May 12 21:29 workflow_svc
> 
> note the 3 directories with the larger byte sizes. They, at times,
> disappear. Looking like this
> 
> # ls -l
> total 400
> drwxrwxrwx   3 builder    builder       4096 May 12 21:28 AcrobatReader
> drwxrwxrwx   5 builder    builder       4096 May 12 21:29 Attclm
> drwxrwxrwx   3 builder    builder       4096 May 12 21:29 AutoSvrStartup
> drwxrwxrwx   2 builder    builder       4096 May 12 21:29 Docs
> drwxrwxrwx   2 builder    builder       4096 May 12 21:33 Du
> drwxrwxrwx   4 builder    builder       4096 May 12 21:38 FileManager
> drwxrwxrwx   4 builder    builder       4096 May 12 21:38 Ftridx
> drwxrwxrwx   2 builder    builder       4096 May 12 21:35 Inc
> drwxrwxrwx   6 builder    builder       4096 May 12 21:38 Lc
> drwxrwxrwx   2 builder    builder       4096 May 12 21:38 Perform
> drwxrwxrwx   3 builder    builder       4096 May 12 21:38 RequestServer
> drwxrwxrwx   6 builder    builder       4096 May 12 21:29 ServiceRequest
> drwxrwxrwx   2 builder    builder       4096 May 12 21:37 Ut
> drwxrwxrwx   4 builder    builder       4096 May 12 21:29 ViewManager
> drwxrwxrwx   2 builder    builder       4096 May 12 21:37 Vlt
> drwxrwxrwx   3 builder    builder       4096 May 12 21:29 cenidx_svc
> drwxrwxrwx   3 builder    builder       4096 May 12 21:29 centra_svc
> drwxrwxrwx   3 builder    builder       4096 May 12 21:29 workflow_svc
> 
> Even when they are gone, you can do an `ls` and they are there. My only fix
> is to either remount, OR I can go onto the FC3 machine and do an `ls -R`
> into those directories, and they show back up. 
> 
> Has anyone seen this before?

Yes.

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=144556
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=150759

Paul.