Learn Linux CCNA CEH IPv6 Cyber-Security Online

 In this tutorial we will learn how to manually fail a device used in raid and how to add a new to device to existing raid. we will also learn how to use spare device and how to stop and remove software raid completely from our linux machine. But before we starting removing any devices from existing  raid device first check the built topology of created raid.check the number of disk and name of disk used in raid as active device and find out the device name used as spare device using below linux command line tools. (more…)