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FusionCompute R3 - Failed to Install an OS for the VRM Node in Physical Deployment Mode

Publication Date:  2015-06-30 Views:  98 Downloads:  0
Issue Description

When a user attempted to install an operating system (OS) for the Virtualization Resource Management (VRM) node deployed on a physical server (physical deployment mode), the following error was displayed

 

Alarm Information
the error reported "install grub failed" & "Os install failed" when install an Linux OS forVRM.
Handling Process

1.Press Alt+F2 when the screen showing the failure is displayed.

2.Enter the username (root) and password (ServerOS_2012) to enter the OS kernel.

3.After checking the /var/log/setup.log file, we find that the system has the sdab disk.

  

4. After checking the BMC log, we find only two physical disks.

5. Further analysis indicates that the failure occurs because the physical server accommodating the VRM node can communicate with the FC SAN storage device. Therefore, during VRM node OS installation using an ISO file, the OS kernel loads disks of the FC SAN storage device to the OS. As a result, more than nine disks are loaded, and the OS installation fails.


 

Root Cause
Further analysis indicates that the failure occurs because the physical server accommodating the VRM node can communicate with the FC SAN storage device. Therefore, during VRM node OS installation using an ISO file, the OS kernel loads disks of the FC SAN storage device to the OS. As a result, more than nine disks are loaded, and the OS installation fails.
Solution
Disconnect the storage plane of the physical server from the FC SAN storage device and install the OS for the VRM node using the ISO file again.
Suggestions

Need to know the OS should install in the disk in the disk of the physical server, but not the SAN. 

END