Most people don't consider software RAID to be a serious option because it is not implemented in hardware. However, since Linux RAID is implemented in the kernel of the operating system, it is almost as good as any hardware solution. And the advantage is that it is free. You don't need an expensive RAID controller, and you can configure and manage the software RAID by using nothing but Linux routines and commands. In the following sections, you will learn how to create a software RAID 0 configuration by tuning the /etc/raidtab file, learn how to set up a RAID 5 array with YaST, and learn how to manage a RAID device on your server.
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