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Dimitris Aragiorgis authored
Introduce a new environment variable named VOL_OPEN_EXCLUSIVE and export it to the ExtStorage's open script to denote whether this device will be opened in shared mode (before migrations) or not (instance start, disk activation). VOL_OPEN_EXCLUSIVE will be either True or False. Update design doc and man pages accordingly. Signed-off-by: Dimitris Aragiorgis <dimitris.aragiorgis@gmail.com> Reviewed-by: Hrvoje Ribicic <riba@google.com>
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