Backup and Archival

• Backup is taken for recovering from failures quickly whereas archiving is done to recover from disasters & it will take more time.
• Cloud is all about using some one else’s hardware
• AWS and Azure offer Backup and Archival solutions

What are different storage needs for organization

• Disk Storage: A disk typically is attached to a server
• Network Storage: A disk that is typically mounted on multiple systems with in a network
• Blob Storage: This storage refers to accessing the data over internet with urls

Disks

• A disk typically needs a filesystem to be identified by OS. Windows supports NTFS and linux has many filesystems (ext4, xfs,..)
• In window a disk can be partitioned and drives (C, D..) can be created
• In linux, a disk can be partitioned and mounted