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What are Block Devices?

April 26, 2017block Devices

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What are Block Devices?

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Block devices are the type of device used to represent storage in the Linux Kernel. All physical disk devices present a block device interface. Additionally, virtual disk systems like LVM or DRBD present a block device interface. In this way, the file system or other software that might want to access a disk device can be used with any number of real or virtual devices without having to know anything about their underlying implementation details.