IBM / Lenovo ServerGuide stuck on loading page more than an hour

Symptom

When a a Flex System x240 blade server boot with ServerGuide, it stuck on loading page more than an hour to access the configuration page.

Cause

The x240 blade server is assigned online volumes (LUNs) which have been formatted and brought online on Windows.

This case is quite common on a server of a cluster which is intended to reinstall or upgrade Windows.

A Flex System x240 blade server doesn't stick on the loading page with offline volumes.

Resolution

1. Remove the physical fiber card on a x240 blade server.

Or

2. Remove the LUNs assignment from a Storage Controller.

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