VNXe: Single SP reboot causing iscsi disconnection (User correctable)
Summary: Hosts unable to access iscsi LUN's from one SP
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This article does not apply to
This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
Single SP reboot causing complete iscsi disconnection with hosts
Example :
Whenever SPA is rebooted, customer looses connectivity to iscsi storage until SPA comes up. (no impact if SPB reboots)
Users are unable to access iscsi LUN's, when services failover to SPB.
However, SPB hardware as well as cabling is good and all initiators shows logged in.
Cause
Affected SP do not have default routes configured for iscsi interfaces
Resolution
How to check routes in Unisphere:
VNXe > Settings > More Configurations > Routing Configuration
NOTE: We cannot create default routes for iscsi manually
Fix:
Delete and Recreate the iscsi interfaces for the affected SP.
Iscsi interface recreation will auto create the default routes.
VNXe > Settings > More Configurations > Routing Configuration
NOTE: We cannot create default routes for iscsi manually
Fix:
Delete and Recreate the iscsi interfaces for the affected SP.
Iscsi interface recreation will auto create the default routes.
Affected Products
VNXe1600Products
VNXe1 Series, VNXe1600, VNXe2 Series, VNXe3200Article Properties
Article Number: 000056276
Article Type: Solution
Last Modified: 07 Nov 2025
Version: 3
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