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Linux Software RAID – Failed to RUN_ARRAY /dev/md0 invalid argument Error and Solution

When I run the following command at shell prompt on Debian or Ubuntu Linux

mdadm -Ac partitions /dev/md0 -m dev

I'm getting the message/warning that read as follows:

Failed to RUN_ARRAY /dev/md0 invalid argument.

How do I fix this issue? How do I rebuild array again on Linux operating system using mdadm command?
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Force yum update Command To Exclude Certain Packages

How can I exclude selected packages when I rum yum update command under CentOS / RHEL / Fedora / Red Hat Enterprise Linux server?
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Red Hat / CentOS Linux Install Cluster Suite Software

Q. How do I install Cluster Suite software on CentOS Linux 5 IBM server for testing purpose?
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What’s New in MS-SQL 2008

Q. Can you tell me more about MS SQL Server 2008? What's new in MS-SQL Server 2008?
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