Fri Apr 24 23:22:41 MSK 2015 pool: tank state: ONLINE scan: scrub in progress since Fri Apr 24 22:51:26 2015 8.18T scanned out of 92.7T at 480M/s, 51h15m to go 0 repaired, 8.83% done Fri Apr 24 23:21:52 MSK 2015 pool: tank state: ONLINE scan: scrub in progress since Fri Apr 24 22:51:26 2015 7.97T scanned out of 92.7T at 481M/s, 51h20m to go 0 repaired, 8.60% done 8.18-7.97 = 0.21T scaned at 49 seconds, i.e. 4712192690 B/s. reported only 481M/s.
^Triage: I'm sorry that this PR did not get addressed in a timely fashion. By now, the version that it was created against is long out of support. As well, many newer versions of ZFS have been imported. Please re-open if it is still a problem on a supported version.