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Log shipping is the process of automating the backup of transaction log files on a primary (production) database server, and then restoring them onto a standby server. This technique is supported by Microsoft SQL Server, [1] 4D Server, [2] MySQL, [3] and PostgreSQL.
It supports data backup and restore for Windows (desktop and servers), macOS and Linux. Additionally, it offers support for Microsoft SQL Server, Microsoft Exchange, VMware, Hyper-V, Office 365 and G Suite (Google Apps). It is available in several commercial editions as well as a free offering (MSP360 Backup Desktop Free). MSP360 Backup is also ...
A weakness of primary-backup schemes is that only one is actually performing operations. Fault-tolerance is gained, but the identical backup system doubles the costs. For this reason, starting c. 1985, the distributed systems research community began to explore alternative methods of replicating data. An outgrowth of this work was the emergence ...
The number of standby servers is a tradeoff between cost and reliability requirements. N-to-1 — Allows the failover standby node to become the active one temporarily, until the original node can be restored or brought back online, at which point the services or instances must be failed-back to it in order to restore high availability.
SQL refers to Structured Query Language, a kind of language used to access, update and manipulate database. In SQL, ROLLBACK is a command that causes all data changes since the last START TRANSACTION or BEGIN to be discarded by the relational database management systems (RDBMS), so that the state of the data is "rolled back" to the way it was before those changes were made.
The NetVault Backup Server maintains a history of backups in the NetVault Backup database enabling users to identify the object(s) they want to restore. NetVault Clients are “agents” that work with the NetVault Backup Server to back up and recover the respective servers, applications, and data.
BackupAssist is a suite of backup software for physical and virtual Windows servers that targets small and medium-sized businesses. [1] It includes the products BackupAssist Classic, BackupAssist ER, BackupAssist WFH, and BackupAssist 365.
Supports granular single mailbox restore for Microsoft Exchange Server and single file restore for virtual machines. 15.0: November: 2013: Support for Windows 8.1 and Windows Server 2012 R2 operating systems. Removed file cache requirement for local Microsoft SQL, Exchange, Hyper-V and