I did not see this on the mailling list, so I am resending it.  Sorry if you 
have received it twice.

Wayne Murata

>  -----Original Message-----
> From:         Murata, Dennis W (SAIC)  
> Sent: Monday, June 05, 2006 2:28 PM
> To:   '[email protected]'
> Subject:      Hierarchical mount points in automount maps
> 
> I am seeing some instability using hierarchical mount points in automount 
> maps.  The version of autofs is autofs-4.1.3-168 on RHEL 3 update 7.  The 
> workstations are dual opteron running x86_64 version of RHEL.  The maps are 
> local to the workstation, and follow the format:
> 
> foobar1/a     server1:/local/foobar1/a
> foobar1/b     server1:/local/foobar1/b
> foobar2/c     server1:/local/foobar2/c
> foobar3/d     server1:/local/foobar3/d
> foobar4/f     server1:/local/foobar4/f
> foobar4/g     server1:/local/foobar4/
> 
> The map name is auto.foobars, the entry in the auto.master is:
> /foobars         /etc/auto.foobars --ghost
> 
> After a reboot, the directory structure is fine.  After a cd to /foobars, an 
> ls will list all directories foobar1 through foobar4.  The subdirectories 
> will be correct below foobar*.  After a time period, I believe the timeout 
> set in /etc/sysconfig/autofs, the mount points become confused.  Instead of 
> the subdirectories a and b listed below /foobars/foobar1, the directories 
> will be listed below /foobars/foobar1/foobar1.  This can happen to any/all of 
> the foobar* directories.
>   
> I have tried various formats  of the automount map.  I have tried to escape 
> the slash in the directory structure on the left hand side, i.e. foobar1\/a, 
> I have tried something like this for auto.foobar:
> 
> foobar1 \
> /a     server1:/local/foobar1/a \
> /b     server1:/local/foobar1/b
> foobar2 \
> /c     server1:/local/foobar2/c
> foobar3 \
> /d     server1:/local/foobar3/d
> foobar4 \
> /f     server1:/local/foobar4/f \
> /g     server1:/local/foobar4/g
> 
> With all three tries, initially the mounts are correct, after a time the 
> mounts become confused.
> Without the --ghost, none of the subdirectories of foobar* are visible or 
> even accessible.
> Are hierachical mounts supported?  I was a little surprised this worked at 
> all.  The automount maps I am used to dealing with came from Solaris and 
> never used subdirectories on the left side.
> 
> Wayne Murata
> 

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