Skip to main content
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.
NetApp Knowledge Base

OCUM reports weekly on Sunday a high disk utilization on root aggregate and shm.threshold.highIOLatency errors in one node

Views:
593
Visibility:
Public
Votes:
0
Category:
fas-systems
Specialty:
hw
Last Updated:

Applies to

  • FAS8200
  • Disk model X477_TTCRE04TA07 with NA02 firmware
  • The drive is the data one in a 3 RAID-DP root aggregate

Issue

  • OnCommand Unified Manager report the following messages:
Sun Apr 12 00:18:18 CEST [node_name: disk_latency_monitor: shm.threshold.highIOLatency:error]: Disk 0a.00.8 exceeds the average IO latency threshold and will be recommended for failure.
 
  • ONTAP EMS messages report:
Wed Apr 22 18:21:48 CEST [node_name: disk_latency_monitor: shm.threshold.ioLatency:debug]: Disk 0a.00.8 has exceeded the expected IO latency in the current window with average latency of 182 msecs and average utilization of 28 percent. Highest average IO latency: 0a.00.8: 182 msecs; next highest IO latency: 0a.00.0: 10 msecs. Disk 0a.00.8 Shelf 0 Bay 8 [NETAPP   X477_TTCRE04TA07 NA02] S/N [XNXNXNNNXNXX] UID [XXXXXXXX:XXXXXXXX:XXXXXXXX:XXXXXXXX:XXXXXXXX:XXXXXXXX:XXXXXXXX:XXXXXXXX:XXXXXXXX:XXXXXXXX]

 

Scan to view the article on your device
CUSTOMER EXCLUSIVE CONTENT

Registered NetApp customers get unlimited access to our dynamic Knowledge Base.

New authoritative content is published and updated each day by our team of experts.

Current Customer or Partner?

Sign In for unlimited access

New to NetApp?

Learn more about our award-winning Support