On Mon, Jan 20, 2014 at 10:13 AM, Austin S Hemmelgarn <[email protected]> wrote: > > AFAIK, ZFS does background data scrubbing without user intervention
No, it doesn't. > BTRFS however works differently, it only scrubs data when you tell it > to. If it encounters a checksum or read error on a data block, it > first tries to find another copy of that block elsewhere (usually on > another disk), if it still sees a wrong checksum there, or gets > another read error, or can't find another copy, then it returns a read > error to userspace, zfs does the same thing. -- Fajar -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
