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Do RAID scrubs hurt performance?

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140
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Public
Votes:
0
Category:
ontap-9
Specialty:
perf
Last Updated:

Applies to

All versions of ONTAP or Data ONTAP

Answer

  • 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 and since then that has been a part of the default methodology.