Le 14/12/2016 à 11:40, Per Jessen a écrit :
jdd wrote:
my main concern on raid is unused data control, that is verification of the integrity of unused data on disk (to prevent unexpected multi disk failure).
Huh? You mean check unused data
data or unused space? I don't see what you
would gain and I am not aware of any enterprise class hardware that will do it. Usually SMART (and other vendor-specific diagnostics) tests are run regularly, that's about it. If you cannot rely on your data being written accurately to your disk, all bets are off.
it's certainly a problem. I read recently a discussion about it (but don't remember the exect name): loook at this http://sysadmin1138.net/mt/blog/2012/12/how-multi-disk-failures-happen.shtml also http://www.adrc.com/raid_failure_types.html jdd -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org