On Sat, Dec 31, 2005 at 09:50:22AM +0100, Juraj Holtak wrote: > new data: > > not forcing a sync mount for the guest makes the performance impact of > disabling write cache very low. > > The question is: What`s the smaller evil???
With O_SYNC off, guests are vulnerable to data corruption if the host crashes; with it on, that shouldn't happen. So I'd say suffering the performance hit is probably the lesser evil, depending on how much you care about the data in the guests. -- ``How are you... going to respond when the Clock-Radio of Challenge emits the Irritating Buzz of Opportunity?'' (Dave Barry) ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://ads.osdn.com/?ad_id=7637&alloc_id=16865&op=click _______________________________________________ User-mode-linux-user mailing list User-mode-linux-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-user
