PowerStore: Clusters that have SAS Expansion Enclosures may experience unexpected node reboots when running PowerStoreOS versions 3.0 to 3.5
Summary: Clusters that have one or more SAS Expansion Enclosures, may experience unexpected node reboots when running PowerStoreOS versions 3.0 to 3.5.
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Symptoms
The PowerStore nodes may unexpectedly reboot if these conditions are met:
- The cluster is on PowerStoreOS version 3.0.x, 3.2.x, or 3.5.x.
- There are one or more SAS expansion enclosures attached to any of the appliances in the cluster.
Cause
The SAS drivers may time out due to a lock issue on the SAS controller.
This in turn causes a node unexpected reboot.
This in turn causes a node unexpected reboot.
Resolution
The issue is resolved in PowerStoreOS version 3.6 and above.
Affected Products
PowerStoreArticle Properties
Article Number: 000203131
Article Type: Solution
Last Modified: 29 Jul 2025
Version: 24
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