* da...@lang.hm <da...@lang.hm> [100223 15:05]: > However, one thing that you do not get protection against with software > raid is the potential for the writes to hit some drives but not others. > If this happens the software raid cannot know what the correct contents > of the raid stripe are, and so you could loose everything in that stripe > (including contents of other files that are not being modified that > happened to be in the wrong place on the array)
That's for stripe-based raid. Mirror sets like raid-1 should give you either the old data, or the new data, both acceptable responses since the fsync/barreir hasn't "completed". Or have I missed another subtle interaction? a. -- Aidan Van Dyk Create like a god, ai...@highrise.ca command like a king, http://www.highrise.ca/ work like a slave.
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