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.