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NetApp Response to Russia-Ukraine Cyber Threat
In response to the recent rise in cyber threat due to the Russian-Ukraine crisis, NetApp is actively monitoring the global security intelligence and updating our cybersecurity measures. We follow U.S. Federal Government guidance and remain on high alert. Customers are encouraged to monitor the Cybersecurity and Infrastructure Security (CISA) website for new information as it develops and remain on high alert.

クラスタポートでエラーが発生したため、クラスタネットワークの機能低下アラートが複数回報告されました

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に適用されます

  • ONTAP 9.x
  • NetApp CN1610 クラスタスイッチ

問題

  • 次のクラスタネットワーク劣化 AutoSupport 通知が複数回受信されました。

HA Group Notification (CLUSTER NETWORK DEGRADED) ALERT

  • ifstat の出力の受信セクションに示すように、 1 つのクラスタポートを除くすべてのノードのクラスタポートで複数のエラーが報告されます。
  • 複数のエラーが発生したクラスタポート(エラーシンボル、不正なシンボルなど):

clustershell::>system node run -node <nodename> -command ifstat -a

-- interface e0b (219 days, 5 hours, 16 minutes, 2 seconds) --
RECEIVE
 Frames/second:   2301  | Bytes/second:    3785k  | Errors/minute:      0
 Discards/minute:   0  | Total frames:    154g  | Total bytes:      176t
 Total errors:   43918 | Total discards:    65  | Multi/broadcast:   4452k
 No buffers:      0  | Non-primary u/c:    0  | L2 terminate:     14908
 Tag drop:         0  | Vlan tag drop:     0  | Vlan untag drop:     0
 Vlan forwards:    0  | CRC errors:       0  | Runt frames:       0
 Fragment:         0  | Long frames:      65  | Jabber:         0
 Error symbol:    29328  | Illegal symbol:   14590  | Bus overruns:      0
 Queue drop:      0  | Xon:           0  | Xoff:          0
 Jumbo:      5634k  | JMBuf RxFrames:   162g  | JMBuf DrvCopy:    27146

  • エラーのない単一クラスタポート:

clustershell::>system node run -node <nodename> -command ifstat -a

-- interface e0b (219 days, 7 hours, 2 minutes, 24 seconds) --
RECEIVE
 Frames/second:   1092  | Bytes/second:     950k  | Errors/minute:      0
 Discards/minute:    0  | Total frames:    47631m  | Total bytes:      107t
 Total errors:      0 | Total discards:   1159  | Multi/broadcast:   4473k
 No buffers:    1087  | Non-primary u/c:     0  | L2 terminate:       302
 Tag drop:         0  | Vlan tag drop:      0  | Vlan untag drop:      0
 Vlan forwards:    0  | CRC errors:       0  | Runt frames:         0
 Fragment:         0  | Long frames:      50  | Jabber:         0
 Error symbol:       0  | Illegal symbol:     0  | Bus overruns:       22
 Queue drop:      0  | Xon:           0  | Xoff:               0
 Jumbo:      2769m  | JMBuf RxFrames:     0  | JMBuf DrvCopy:      0

 

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