Disk Latency, Isolated

Abdul Rahman Lv1Posted Dec-25-2025 11:27



I have situation where error on my Sangfor Dashboard like this, anybody have an idea what happen actually, because when i go to Svr Mgmt , no hardware error trigger event on harddisk physical also

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This message indicates that Sangfor HCI has detected abnormally high disk I/O latency on that HDD during runtime so the system logically isolated the disk at the software/storage layer to protect data integrity and cluster performance. This can happen even if no physical hardware alarm appears in server management because the drive may still pass SMART and hardware checks but fail performance thresholds defined by the aSAN engine. It is a performance-based isolation not a physical failure.
Is this answer helpful?
Muhammad Abid Lv1Posted Dec-29-2025 13:26
  
Hard disk health is not good.
Humayun Ahmed Lv3Posted Dec-26-2025 12:41
  
One of your hard disk health is not good.

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