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How to disable SPARES_LOW AutoSupport notifications

  1. Last updated
    Mar 28, 2025
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Category:
ontap-9
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core
Last Updated:
3/28/2025, 6:59:08 PM

Applies to

  • ONTAP 9
  • AFF / FAS systems using 16 drives or less

Description

By default, warnings are issued to the console and logs if you have fewer than one hot spare drive that matches the attributes of each drive in your storage system.

  • The raid.min_spare_count option specifies the minimum number of spare drives required to avoid warnings about low spare drives.
  • If every type of drive has the minimum number of spare drives specified in raid.min_spare_count that are appropriate replacements, then no warning is displayed for low spares.

Set raid.min_spare_count

  • Specifies the minimum number of spare drives required to avoid warnings about low spare drives.
  • Can be set from 0 to 4.
  • Default setting
    • 0 for capacity-optimized platforms (e.g., AFF C190).
    • 1 for other platforms (e.g., FAS2720).

Setting to 0

  • Setting this option to 0 means that NO Warnings will be displayed for low spares, even if there are no spares available
  • Allowed only on standalone or HA systems with 16 or fewer attached drives with RAID-DP aggregates.
Limitations 

 

Automatic Change

  • If a non-capacity-optimized system expands to more than 16 drives with raid.min_spare_count set to 0, the option will automatically change back to 1.

Restrictions

  • Setting of 0 is not allowed on systems with RAID4 aggregates.

 

 

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