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Identify Performance Degradation due to Misbehaving Disk in ONTAP

  1. Last updated
    Jul 12, 2022
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859
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Votes:
1
Category:
data-ontap-8
Specialty:
perf
Last Updated:
7/12/2022, 12:59:50 PM

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Applies to

  • Data ONTAP operating in 7-Mode
  • Data ONTAP 8
  • ONTAP 9

Description

A disk acting abnormally can affect storage performance. Common symptoms associated with a misbehaving disk are:

  • Higher latency and utilization on one disk than the rest of its partners in the same RAID group
  • Back to back (B or b) Consistency Points in "sysstat" command output

 

 

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