Bug 199675

Summary: zfs scrubbing and resilvering speed report overflow
Product: Base System Reporter: slw
Component: binAssignee: freebsd-fs (Nobody) <fs>
Status: New ---    
Severity: Affects Many People CC: vsasjason
Priority: ---    
Version: 10.1-STABLE   
Hardware: amd64   
OS: Any   

Description slw 2015-04-24 20:27:09 UTC
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.