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The data is read abnormally after the RAID is changed

Publication Date:  2012-09-24 Views:  92 Downloads:  0

Issue Description

The RAID should be changed in the upgrading of iCache system. The initial configuration is RAID1. When the RAID is changed, the data is read abnormally in the configuration.

Alarm Information


Handling Process

Modify the parameter of the RAID through IPMI interface and activate the new RAID by rebooting. Configure the RAID later.

Root Cause

We should modify the parameters of the RAID which is related to the server T3500 and configure the type parameter from background with IPMIP tool connecting to the IPMI interface of T3500 when a new RAID is changed in T3500. When the configuration is right, T3500 can identify the new RAID.


If the different type, modify the parameter of RAID and activate it; if the same type, activate the RAID too.