[smartmontools-support] SAS Background scanning

[Gandalf Corvotempesta]

What is this ?

Background scan results log
  Status: waiting until BMS interval timer expires
    Accumulated power on time, hours:minutes 61983:09 [3718989 minutes]
    Number of background scans performed: 188,  scan progress: 0,00%
    Number of background medium scans performed: 188

is an automatic background surface test that will read all blocks
looking for unreadable blocks ?
Something like LSI Patrol Read ?