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Re: [Linux-cluster] GFS and Simultaneous Access



Hi,

On Tue, 2007-04-17 at 07:36 -0700, Tom Mornini wrote:
> On Apr 17, 2007, at 7:27 AM, berthiaume_wayne emc com wrote:
> 
> > 	Also, I've been trying to figure out a way to allow all my nodes
> > access to the same filesystem/LUN with separate directories for  
> > each one
> > within the same filesystem for simultaneous access. Is this  
> > possible or
> > would this be the place to use the SCSI reservations? This is being  
> > done
> > strictly for testing.
> 
> Take a look at Context Sensitive Symlinks.
> 
> If you:
> 
>    ln -s @host common_directory
> 
> Then when each host accesses common_directory it will resolve to that
> system's hostname instead.
> 

A better plan, if possible, is to use bind mounts which are available on
all filesystems and more powerful than the context sensitive symlinks.
It depends on which kernel version you are using as to whether this is
available to you and how comprehensive the features are,

Steve.



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