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MCC-IPリモートサイトの複数のディスクで障害が発生しました

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Category:
metrocluster
Specialty:
metrocluster<a>2009745977</a>
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環境

  • ONTAP 9
  • MetroCluster

問題

  • クラスタスイッチのMCC IPポートでフロー制御が無効になっています。
  • 複数ディスク障害イベント:クラスタ1-1aからHAグループ通知(ファイルシステムディスクが応答しない)エラーが報告される。
  • クラスタで次のエラーが発生する可能性があります。

Cluster network degardingアラートの数秒前にNVミラーリングがオフラインになりました

Mon Sep 11 15:03:37 +1000 [Cluster1-1a: nvmm_error: nvmm.mirror.offlined:debug]: params: {'mirror': 'HA_PARTNER'}
Mon Sep 11 15:03:37 +1000 [Cluster1-1a: nvmm_error: nvmm.mirror.offlined:debug]: params: {'mirror': 'DR_PARTNER'}

Mon Sep 11 15:03:45 +1000 [Cluster1-1a: vifmgr: vifmgr.port.monitor.failed:debug]: The "link_flapping" health check for port e0c (node Cluster1-1a) has failed. The port is operating in a degraded state.
Mon Sep 11 15:03:45 +1000 [Cluster1-1a: vifmgr: callhome.clus.net.degraded:debug]: Call home for CLUSTER NETWORK DEGRADED: Frequent Link Flapping - Cluster port e0c on node Cluster1-1a has experienced multiple link down notification

しばらくするとNVミラーの状態がオンラインに変わる

Mon Sep 11 15:15:44 +1000 [Cluster1-1a: nvmm_mirror_sync: nvmm.mirror.state.change:debug]: mirror of sysid 2, partner_type DR PARTNER, changed state from NVMM_MIRROR_SYNCING_OTHER to NVMM_MIRROR_ONLINE and took 1684 msecs.
Mon Sep 11 15:17:09 +1000 [Cluster1-1a: nvmm_mirror_sync: nvmm.mirror.state.change:debug]: mirror of sysid 2, partner_type DR PARTNER, changed state from NVMM_MIRROR_SYNCING_OTHER to NVMM_MIRROR_ONLINE and took 1605 msecs.

Mon Sep 11 15:12:53 +1000 [Cluster1-1b: nvmm_mirror_sync: nvmm.mirror.state.change:debug]: mirror of sysid 2, partner_type DR PARTNER, changed state from NVMM_MIRROR_SYNCING_OTHER to NVMM_MIRROR_ONLINE and took 1540 msecs.
Mon Sep 11 15:12:55 +1000 [Cluster1-1b: nvmm_mirror_sync: nvmm.mirror.state.change:debug]: mirror of sysid 1, partner_type HA Partner, changed state from NVMM_MIRROR_SYNCING_OTHER to NVMM_MIRROR_ONLINE and took 1545 msecs

  • リモートのミラープレックスの一部またはすべてがオフラインで、ドライブが障害状態とマークされています。

Plex /Cluster1-1a_ssd_aggr1/plex1 (offline, failed, inactive, pool1)
RAID group /Cluster1-1a_ssd_aggr1/plex1/rg0 (partial)

RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks)
--------- ------ ------------- ---- ---- ---- ----- -------------- --------------
dparity FAILED N/A 3630753/ -
parity FAILED N/A 3630753/ -
data FAILED N/A 3630753/ -
data FAILED N/A 3630753/ -
data FAILED N/A 3630753/ -
data FAILED N/A 3630753/ -
data FAILED N/A 3630753/ -
data FAILED N/A 3630753/ -
data FAILED N/A 3630753/ -
data FAILED N/A 3630753/ -
data FAILED N/A 3630753/ -
Raid group is missing 11 disks.

Plex /Cluster1-1a_root/plex12 (offline, failed, inactive, pool1)
RAID group /Cluster1-1a_root/plex12/rg0 (partial)

RAID Disk Device HA SHELF BAY CHAN Pool Type RPM Used (MB/blks) Phys (MB/blks)
--------- ------ ------------- ---- ---- ---- ----- -------------- --------------
dparity FAILED N/A 63849/ -
parity FAILED N/A 63849/ -
data FAILED N/A 63849/ -
data FAILED N/A 63849/ -
data FAILED N/A 63849/ -
Raid group is missing 5 disks.

サイトA:クラスタ2

のノード:
クラスタ2-1a -問題がない
クラスタ2-1b -問題がない

サイトB:クラスタ1の

ノード:クラスタ
1-1a -- -->すべてのリモートディスクに障害が発生したか、
Cluster1-1bが見つからない -->問題がない-->

  • ストレージとスイッチに根本的なハードウェアの問題はありません。

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