On Mar 5, 2007, at 11:36, Selim Daoud wrote:
This is not the case for the
traditional global device (HAStoragePlus) approach
also, you would use Shared-QFS< if the application needs to access the
same files from both nodes (as it's the case for Oracle RAC: both
nodes access the sames db files at same time)..so here, the app must
be designed for this kind of work. Coomunicate seem to take advantage
of this (from their homepage)
Thanks for the response!
I understand that SC doesn't provide direct IO. How bad of a
performance hit is this going to be? The underlying question here is
whether we can start with plain SC and then _upgrade_ to Shared-QFS
when we need it.
Secondly, I believe CommuniGate will run on top of SC since it deals
with concurrency internally. I'd love to know this for sure though.
A.
--
Adam Sherman
Technologist
+1 (613) 797-6819 | http://www.sherman.ca/ | sip:[EMAIL PROTECTED]
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