On Thu, Oct 02, 2008 at 12:46:59PM -0500, Bob Friesenhahn wrote: > On Thu, 2 Oct 2008, Ahmed Kamal wrote: > > What is the "real/practical" possibility that I will face data loss during > > the next 5 years for example ? As storage experts please help me > > interpret whatever numbers you're going to throw, so is it a "really really > > small chance", or would you be worried about it ? > > No one can tell you the answer to this. Certainly math can be > formulated which shows that the pyramids in Egypt will be completely > flattened before you experience data loss. Obviously that math has > little value once it exceeds the lifetime of the computer by many > orders of magnitude. > > Raidz2 is about as good as it gets on paper. Bad things can still > happen which are unrelated to what raidz2 protects against or are a > calamity which impacts all the hardware in the system. If you care > about your data, make sure that you have a working backup system.
Bad things like getting all your drives from a bad drive batch, so they all fail near simultaneously and much sooner than you'd expect. As always, do backup your data. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
