単一のリモートディスクについて報告されたMetroCluster IPのチェックサムエラー

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Category:: metrocluster

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環境

MetroCluster IP
ONTAP 9

問題

AutoSupportが生成HA Group Notification (Write Verification Error: Port 0v Failed) EMERGENCY
event log 1つのディスクに対して大量のチェックサムエラーが報告される
Mon May 01 08:00:00 +0200 [node1: raidio_thread: raid_tetris_cksum_embed_1:notice]: params: {'owner': '', 'disk_info': 'Disk /aggr1/plex1/rg0/0v.i2.0L11P2 Shelf 0 Bay 21 [NETAPP X4011S172B3T8NTE NA56] S/N [ABCDP002] UID [65375930:52102712:00253841:00000004:500A0981:00000002:00000000:00000000:00000000:00000000]', 'blockNum': '435473244', 'shelf': '0', 'bay': '21', 'vendor': 'NETAPP ', 'model': 'X4011S172B3T8NTE', 'firmware_revision': 'NA56', 'serialno': 'ABCDP002', 'disk_type': '13', 'disk_rpm': 'N/A', 'carrier': '', 'site': 'Remote'} Mon May 01 08:00:01 +0200 [node1: raidio_thread: raid_tetris_cksum_embed_1:notice]: params: {'owner': '', 'disk_info': 'Disk /aggr1/plex1/rg0/0v.i2.0L11P2 Shelf 0 Bay 21 [NETAPP X4011S172B3T8NTE NA56] S/N [ABCDP002] UID [65375930:52102712:00253841:00000004:500A0981:00000002:00000000:00000000:00000000:00000000]', 'blockNum': '435473061', 'shelf': '0', 'bay': '21', 'vendor': 'NETAPP ', 'model': 'X4011S172B3T8NTE', 'firmware_revision': 'NA56', 'serialno': 'ABCDP002', 'disk_type': '13', 'disk_rpm': 'N/A', 'carrier': '', 'site': 'Remote'} Mon May 01 08:00:02 +0200 [node1: raidio_thread: raid_tetris_cksum_embed_1:notice]: params: {'owner': '', 'disk_info': 'Disk /aggr0/plex4/rg0/0v.i2.0L11P3 Shelf 0 Bay 21 [NETAPP X4011S172B3T8NTE NA56] S/N [ABCDP003] UID [65375930:52102712:00253841:00000004:500A0981:00000003:00000000:00000000:00000000:00000000]', 'blockNum': '9419692', 'shelf': '0', 'bay': '21', 'vendor': 'NETAPP ', 'model': 'X4011S172B3T8NTE', 'firmware_revision': 'NA56', 'serialno': 'ABCDP003', 'disk_type': '13', 'disk_rpm': 'N/A', 'carrier': '', 'site': 'Remote'}