![]() IBM Tivoli Storage Manager – Commercial Backup suite by International Business Machines Corporation (IBM).This provides backup solutions for the mainframe, distributed computing, virtual machines, and cloud computing. ARCserve – Commercial Backup suite by CA Technologies, Inc.Acronis – Commercial Backup suite by Acronis International GmbH.This backup software requires a license for full functionality and support: This provides both Symmetric and Asymmetric Encryption of data. Amanda OpenSource Backup – OpenSource Backup System that provides a complete backup suite and it does have GUI with enterprise version and Webmin module on cost.This provides “Asymmetric” encryption for data security as well. This can be managed by either CLI, with different GUIs like Webacula, BaculaGUI, and also with Webmin* module. Bacula – OpenSource Network/Server Backup system that provides a complete manual / automated backup suite with MD5 checksum for integrity check.This is easy to use and can be automated with Cron Jobs. Tar – Linux / UNIX utility, it is pre-installed in most *nix operating systems.RDump – Linux / UNIX utility to dump data to archive.These can be broken into two categories: Open-Source Software Many software is available to backup data. But, the data storage capacity of floppy drives failed to catch up with the growing demands of the users, therefore they became obsolete. Floppy Drivesįloppy drives were the main medium to move or copy data between different systems in the 1980s and 1990s. These devices are expensive in respect of their storage capacity but are convenient for the backup of a small amount of data. are included in this category of storage media. Solid State Storageįlash memory, thumb drives, CompactFlash, SmartMedia, Memory Stick, etc. However, the capacity and speed of optical storage media are slower than hard disks and tape drives. Recordable CDs, DVDs, and Blu-ray Discs fall into this category of storage media. External hard disks can be connected via local interfaces like SCSI, USB, FireWire, or eSATA and via long-distance technologies like Ethernet, iSCSI, or Fibre Channel (SAN). Internal, as well as external hard disks, can be used for data backups. Their advantages are low access times, availability, capacity, and ease of use. Hard disks like magnetic tapes can be used as bulk storage mediums. Since more backups are done now on both tapes and hard disks, newer tape drives have become faster than modern hard disks. Magnetic tapes have been used for a very long type for bulk data storage, archiving, and interchange. The following media types can be used for backups. Media can be selected according to the requirements, availability, and reliability required. Regardless of Backup types, media for backup storage is important. In this process, data is stored and synced in multiple locations at the same time. This is live sync of the data, and is also known as a “Hot Backup”. ![]() Doing many differential backups consume huge space that may exceed the basic full backup size. It shortens restoring time compared with incremental backup. This backup includes archiving of modified files like an incremental backup. This approach is good for large amounts of files as it will back up quickly and take lesser space as compared to multiple full backups. This backup is very fast as it only copies modified files, but while restoring, it’s quite slow as all the incremental backups need to be checked for restoring only the latest data. In this backup, only data is modified after the previous backup is archived. This approach is good for a small amount of data. ![]() This is the fastest and simplest backup to restore data. Multiple full backups cause huge resource utilization. This is the basic backup option in which all the selected files and folders are backed up. More storage can be added over time if needed.ĭisadvantages: You lose all your data if your NAS is destroyed and you don’t have a secondary backup solution.Following are the backup policy types to copy or archive data: Full Backup A software backup agent can be installed on users’ computers to automate the backup process.Īdvantages: Great multi-user solution. Many businesses like using NAS because once purchased, there are no monthly fees for cloud storage, and consequently, no third parties are involved in handling data backups. Most NAS servers come with multiple drive bays, so you can add more storage over time. When you buy a NAS server, you’ll need to buy both the server and the storage drives, which are separate costs. Once connected, users can transfer files to and from the NAS at will. A NAS server creates its own network that users can connect to with valid credentials (username and password). Put simply, NAS is a small server that sits in your office. ![]() Network-attached storage (NAS) is an excellent multi-user local backup solution. ![]()
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