Hard Disk Drive is computer hardware used to store different type of data like a file, folder, image, video, office documents permanently in a computer. Hard Disk Drive may have different names like Drive, Hard Drive, HDD, Disk etc. In computer terminology, Hard Disk Drive is named as secondary storage. Types Of Hard Disk Drives Mainly there two types of Hard Disk Drives according to their internal design and price/performance....
LVM or Logical Volume Management used to create, manage and delete logical volumes in Linux operating systems. LVM provides RAID like architectures for disk drives. We can create single logical volume from multiple physical disks. Basics LVM consist of 3 main concepts: Physical Volumes Volume Groups Logical Volumes Let me explain in a simple manner. By adding one or more than one Physical Volume we will create a Volume Group...
Disk and Data Availability is important for systems administrators. There are different ways to implement. RAID or Redundant Array Of Independent Disks is one of the most popular one. RAID 6 is complex disk architecture which is used to protect against two disk failure. We have all ready examined RAID types in this following tutorial. How Raid Disk Configuration Works and Information About Raid 0 , Raid 1 , Raid...
RAID for Redundant Array of Inexpensive Disks. Raid is mainly used to backup volumes or partitions on multiple physical disks. Raid can be implemented with different technologies like soft raid or hard raid. Soft RAID Soft raid is implemented on operating system level and requires some tools and modules. Below is a tutorial about mdadm which is Linux software used to implement soft RAID. http://www.poftut.com/raid-linux-mdadm/ RAID Raid is generally implemented in...
Hi, today I am gonna show you how to make raid ( redundant array of inexpensive disks ). Why wee need it? Think about that you have customer data stored in a server. Say one day disk is dead and then all of your data about customer are gone. This is a very bad new. What if disk dies but the data remains the same. This will be very good....
