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4
Creating a Multiple Disk Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
To Create and Assemble an MD Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Creating Volume Groups and Configuring VG Exclusive Activation on the MD Mirror.
74
Configuring the Package Control Script and RAID Configuration File . . . . . . . . . . . . 76
Creating and Editing the Package Control Scripts. . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Editing the raid.conf File . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
4. Disaster Scenarios and Their Handling
A. Managing an MD Device
Viewing the Status of the MD Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Stopping the MD Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Starting the MD Device. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Removing and Adding an MD Mirror Component Disk . . . . . . . . . . . . . . . . . . . . . . . 101
Adding a Mirror Component Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102