[Linux-cluster] RE: qdisk votes not in cman

Lon Hohberger lhh at redhat.com
Wed Sep 12 18:52:49 UTC 2007


On Wed, Sep 12, 2007 at 07:05:43AM +0200, Alain Richard wrote:
> 
> Le 4 sept. 07 à 23:13, Lon Hohberger a écrit :
> 
> >On Fri, Aug 31, 2007 at 12:46:50PM +0200, Alain RICHARD wrote:
> >>Perhaps a better error reporting is needed in qdiskd to shows that we
> >>have hit this problem. Also using a generic name like "qdisk device"
> >>when qdiskd is registering its node to cman is a better approach.
> >
> >What about using the label instead of the device name, and restricting
> >the label to 16 chars when advertising to cman?

> Because when using multipath devices (for example a two paths  
> device), all the paths and the multi-path device are recognized as  
> having the same label, so qdisk fails to get the good device (the  
> multi-path device).

I meant implementation-wise, using the label instead of the device name
to solve or work around the 16 character limit when talking to CMAN...

-- 
Lon Hohberger - Software Engineer - Red Hat, Inc.




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