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[Xen-devel] Three buglets and a question

To: xen-devel@xxxxxxxxxxxxxxxxxxxxx
Subject: [Xen-devel] Three buglets and a question
From: Barry Rountree <rountree@xxxxxxxxxx>
Date: Wed, 4 Aug 2004 17:56:13 -0400
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I'm finally up and running again -- thanks once more for the help.  Here are a 
few notes:

1.  The default config has "cpu" commented out and implies that it defaults to 
-1.  "xm create" won't work unless this line is uncommented and given an 
explicit value.  

2.  The directory /var/run/xend is not created during "make world", "make 
install", or "make install-twisted".  "xend start" won't fire up without it.

3.  After issuing "shutdown -h now" in a domain (or, more rudely, "xm 
destroy") I'm unable to start up again without getting a name conflict error.  
After running "xm list", however, I can restart without difficulty.

From the papers and documentation I've read, xen doesn't have it's own swap 
file or partition.  This would make sense for QOS -- very hard to guarantee 
performance numbers for a domain when you don't know if it's been swapped out 
to disk or not.  

However, I'm interested in QOS using the virtual timers only -- I don't 
particularly care about wall clock time (famous last words, I expect... ;-).

Has any work been done on giving xen it's own swap?

Thanks,

Barry



  


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