Reconstruction Not Progressing on all RAID Groups in ADP Configurations While in Takeover

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Specialty:: HW

Last Updated:

Applies to

FAS Systems
ONTAP 8
ONTAP 9
ADP Configurations

Issue

Reconstruction only occurring on a single RAID group while the others remain idle:

Aggregate aggr2 (online, raid_dp, reconstruct, fast zeroed) (block checksums)
  Plex /aggrb/plex0 (online, normal, active, pool0)
    RAID group /aggrb/plex0/rg0 (reconstruction 16% completed, block checksums)

      RAID Disk    Device         HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------    ------         ------------- ---- ---- ---- ----- --------------    --------------
      dparity     e0c.00.0.0P1    e0c   0   0          0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      parity      e0c.00.0.1P1    e0c   0   1          0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0f.00.3.2P1    e0f   0   2          0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0c.00.0.3P1    e0c   0   3          0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0c.00.0.4P1    e0c   0   4          0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0f.00.3.5P1    e0f   0   5          0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0f.00.3.6P1    e0f   0   6          0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0c.00.0.7P1    e0c   0   7          0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0f.00.3.8P1    e0f   0   8          0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0f.00.3.9P1    e0f   0   9          0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0f.00.3.17P2    e0f   0   17         0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0c.00.0.23P1    e0c   0   23         0 SSD-NVM   N/A 903584/231317632  903592/231319680 (reconstruction 16% completed)

Aggregate aggr0 (online, raid_dp, reconstruct, fast zeroed) (block checksums)
  Plex /aggr1/plex0 (online, normal, active, pool0)
    RAID group /aggr1/plex0/rg0 (reconstruction 0% completed, block checksums)

      RAID Disk    Device         HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------    ------         ------------- ---- ---- ---- ----- --------------    --------------
      dparity     e0f.00.3.2P2    e0f   0   2          0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      parity      e0c.00.0.23P2    e0c   0   23         0 SSD-NVM   N/A 903584/231317632  903592/231319680 (reconstruction 0% completed)
      data        e0c.00.0.14P2    e0c   0   14         0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0c.00.0.15P2    e0c   0   15         0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)
      data        e0c.00.0.16P2    e0c   0   16         0 SSD-NVM   N/A 903584/231317632  903592/231319680 (fast zeroed)

Aggregate aggr0_aff320_rtp_1a (online, raid_dp, degraded, fast zeroed) (block checksums)
  Plex /aggr0_aff320_rtp_1a/plex0 (online, normal, active, pool0)
    RAID group /aggr0_aff320_rtp_1a/plex0/rg0 (degraded, block checksums)

      RAID Disk    Device         HA  SHELF BAY CHAN Pool Type  RPM  Used (MB/blks)    Phys (MB/blks)
      ---------    ------         ------------- ---- ---- ---- ----- --------------    --------------
      dparity     e0f.00.3.22P3    e0f   0   22         0 SSD-NVM   N/A 23956/6132864     23964/6134912 (fast zeroed)
      parity    FAILED             N/A                        23956/ -
      data        e0c.00.0.14P3    e0c   0   14         0 SSD-NVM   N/A 23956/6132864     23964/6134912 (fast zeroed)
      data        e0c.00.0.15P3    e0c   0   15         0 SSD-NVM   N/A 23956/6132864     23964/6134912 (fast zeroed)
      data        e0c.00.0.16P3    e0c   0   16         0 SSD-NVM   N/A 23956/6132864     23964/6134912 (fast zeroed)
      data        e0f.00.3.17P3    e0f   0   17         0 SSD-NVM   N/A 23956/6132864     23964/6134912 (fast zeroed)
      data        e0f.00.3.18P3    e0f   0   18         0 SSD-NVM   N/A 23956/6132864     23964/6134912 (fast zeroed)
      data        e0f.00.3.19P3    e0f   0   19         0 SSD-NVM   N/A 23956/6132864     23964/6134912 (fast zeroed)
      data        e0c.00.0.20P3    e0c   0   20         0 SSD-NVM   N/A 23956/6132864     23964/6134912 (fast zeroed)
      data        e0c.00.0.21P3    e0c   0   21         0 SSD-NVM   N/A 23956/6132864     23964/6134912 (fast zeroed)