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MetroCluster IP Checksum errors on remote disks after ONTAP upgrade

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Applies to

  • MetroCluster IP
  • ONTAP 9.10 and later
  • ONTAP upgrade
  • Cisco back-end switches

Issue

  • CHECKSUM ERROR (multiple disks)and DISK SCRUB CHECKSUM ERROR Autosupports triggered from the system shortly after ONTAP upgrade to 9.10.1x or newer
  • Checkum errors are observed in event log for remote plex(es)

Sun Feb 26 01:11:48 +0100 [cl01-01: raidio_thread: raid_rg_scrub_cksum_embed_1:notice]: params: {'disk_rpm': '7200', 'vendor': 'NETAPP  ', 'firmware_revision': 'NA00', 'shelf': '10', 'disk_info': 'Disk /aggr1_cl01_01/plex6/rg1/0v.i1.3L119 Shelf 10 Drawer 1 Slot 1 Bay 1 [NETAPP X377_STATE10TA07 NA00] S/N [ZA2AEN77] UID [5000C500:A799E9FB:00000000:00000000:00000000:00000000:00000000:00000000:00000000:00000000]', 'site': 'Remote', 'bay': '1', 'carrier': '', 'serialno': 'ZA2AEN77', 'owner': '', 'model': 'X377_STATE10TA07', 'disk_type': '8', 'blockNum': '506735910'}

 

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