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Re: [Linux-cluster] importing/unimporting GNBD devices on CentOS5.1

On Sun, Jan 20, 2008 at 11:49:07AM -0800, Benjamin Franz wrote:
> I've looked all over the the Redhat docs and in the various packages, and 
> I can't find a single example of GNBD devices being _automatically_ 
> imported/unimported (ala gnbd-client) on the Redhat Cluster system (as 
> opposed to toy examples using gnbd_import directly without an init.d 
> script).
> Additionally, after poking at manually mounting and unmounting GFS + LVM 
> on GNBD + multipath for a while, I discovered that the clvmd init.d script 
> fails to deactivate active LVs on a clustered VG before trying to 
> deactivate the clustered VG (which, understandably, makes the LVM system 
> unhappy, which in turn makes "gnbd_import -R" very unhappy when it comes 
> time to unimport the GNBD devices.
> Am I missing something? Is there something buried deep in the clustering 
> system that is activates GNBD devices and deactivates LVs at the 
> appropriate times?

There is no GNBD init script. Most people simply make a quick one


> -- 
> Benjamin Franz
>  I don't think it's a good idea to follow the catalog's suggestion to force
>  the "Double Helix" on your biologist friends, or the "Wavelength" on your
>  physicist friends. They have access to virulent pathogens and liquid
>  nitrogen, and I just know it will end in tears before bedtime.
>                             - Verzoeking, LiveJournal Entry, 22 Nov 2005
> --
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