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ONTAP 9.6 and later: Weekly SPARES_LOW Autosupport are being sent following a disk replacement

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Applies to

  • ONTAP 9.6 and later
  • Root Data Data partitioning (ADPv2)
  • Platforms with a Dedicated core dump device. Example:
    • AFF A250, FAS500f
    • AFF A400, FAS8700, FAS8300
    • AFF A220, FAS2750, FAS2720
    • AFF A700, FAS9000
    • AFF A800
    • AFF A320
    • AFF A300
    • AFF A700s

Issue

  1. After a disk replacement and correct assignment, ONTAP reports weekly SPARES_LOW Autosupport
  • There is an Alert after a partitioned disk fails. This happens even when there is a full spare available on the node after the replacement.
Fri Jun 18 16:00:00 -0400 [node_name: config_thread: callhome.spares.low:error]: Call home for SPARES_LOW
  1. Checking for available spares will only show root partitions (P3) and one full disk available

Example:

cluster::> node run -node * sysconfig -r
[...]

node-01
Pool0 spare disks

RAID Disk    Device      HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
---------    ------      ------------- ---- ---- ---- ----- --------------    --------------
Spare disks for block checksum
spare       0b.00.10P3    0b    0   10  SA:A   0   SSD   N/A 23956/49062912    23964/49079296
spare       0b.00.11P3    0b    0   11  SA:A   0   SSD   N/A 23956/49062912    23964/49079296

[...]

node-02
Pool0 spare disks

RAID Disk    Device      HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
---------    ------      ------------- ---- ---- ---- ----- --------------    --------------
Spare disks for block checksum
spare       0b.00.22P3    0b    0   22  SA:B   0   SSD   N/A 23956/49062912    23964/49079296
spare       0b.00.15    0b    0   15  SA:B   0   SSD   N/A 915465/1874872832 915715/1875385008

Note: The error doesn't impact the cluster if the failed disk was already replaced. If another partitioned disk fails ONTAP will partition the available spare by default.

 

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