On 2014.03.11 18:19, tclug at freakzilla.com wrote: > On Tue, 11 Mar 2014, Andrew Berg wrote: > >> If you keep getting checksum errors, > > Like I said, extremely rare and far between. On my original setup I was > getting more of them (but even then, 1-2 a day, maybe) but once I redid > the array as two raidz1 with ashift=12 that went to one a month maybe. it > foudn 12 last scrub, but that was after I was rsyncinc crazy amounts of > data onto the thing and then deleting it for a week, just to make sure > performance didn't take a hit. Likely just a lower quality disk with more bad sectors then. Don't worry, though - ZFS loves cheap disks! I'd still recommend scrubbing often so that if you have bad sectors in just the right places and you lose a file, you'll know sooner.