All versions of ONTAP or Data ONTAP Raid scrubs, as configured by default, are made to do background checking for media or parity issues. Starting in 2003, a feature was introduced to check the disk l...All versions of ONTAP or Data ONTAP Raid scrubs, as configured by default, are made to do background checking for media or parity issues. Starting in 2003, a feature was introduced to check the disk load in bug 73250 to Data ONTAP 6.5.2 Since that older release, Data ONTAP and now ONTAP provide heavy throttling of raid scrubs in the presense of user work or other backgroud work such as SnapMirror or deduplication What are the important changes to RAID scrub in Data ONTAP 8.3.x or later
