PUBLIC MARKS from solrac with tags kernel & redhat

Several tools exist to Resizing Linux partitions, but there are a number of potential pitfalls and restrictions that can make the task more difficult than it might at first seem. This article guides you through the task of resizing Linux partitions, beginning with basic preparations and moving on to common resizing scenarios using graphical user interface (GUI) tools.

As the kernel and user space exist in different virtual address spaces, there are special considerations for moving data between them. Explore the ideas behind virtual address spaces and the kernel APIs for data movement to and from user space, and learn some of the other mapping techniques used to map memory

The 2.6.33 Linux kernel has introduced a useful new service called the DRBD - Distributed Replicated Block Device. This service mirrors an entire block device to another networked host during run time, permitting the development of high-availability clusters for block data. Explore the ideas behind the DRBD and its implementation in the Linux kernel.