[Xen-users] xm save question

[Patrick O'Rourke <porourke@xxxxxxxxxxx>]

Hello,

We would like to centrally manage the saved states of our domU's, which 
could be spread among various physical machines and unfortunately cannot 
use NFS.  So one idea we had was to create a named pipe so one could 
save into this pipe and we would have a process reading the pipe which 
could handle moving the save file to a central repository.  As an 
experiment I created a simple program to create the pipe and it seems to 
work okay if I cat a file into the pipe.  However if I use the fifo as 
an argument to the "xm save" command, the save completes quickly, but my 
program does not see any data come across until it closes the pipe.  In 
addition, I am unable to restore the domU from the resulting file.
I'm assuming the issue is within my code, but figured I run the question 
in case there is an obvious reason why this would not work, or if there 
is a better solution.
Thanks in advance,

Pat

--
Patrick O'Rourke
porourke@xxxxxxxxxxx

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