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Received Error: "invalid device specification" when formatting DASD Partition in Red Hat Enterprise Linux 6

Solution Verified - Updated 2013-12-02T18:45:05+00:00 -

Issue

On Red Hat Enterprise Linux 6, while formatting DASD partitions, following error was obtained:
```
FormatCreateError: ('invalid device specification '/dev/dasdb2')
```

Environment

Red Hat Enterprise Linux 6
IBM z10 architecture
DASD
CMS

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