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In computer science, Algorithms for Recovery and Isolation Exploiting Semantics, or ARIES, is a recovery algorithm designed to work with a no-force, steal database approach; it is used by IBM Db2, Microsoft SQL Server and many other database systems. [1] IBM Fellow Chandrasekaran Mohan is the primary inventor of the ARIES family of algorithms. [2]
System Restore is a feature in Microsoft Windows that allows the user to revert their computer's state (including system files, installed applications, Windows Registry, and system settings) to that of a previous point in time, which can be used to recover from system malfunctions or other problems.
[2] [8] Metadata and file data are organized into tables similar to a relational database. The file size, number of files in a folder, total volume size, and number of folders in a volume are limited by 64-bit numbers; as a result, ReFS supports a maximum file size of 35 petabytes, and a maximum volume size of 35 petabytes. [3]
The most common data recovery scenarios involve an operating system failure, malfunction of a storage device, logical failure of storage devices, accidental damage or deletion, etc. (typically, on a single-drive, single-partition, single-OS system), in which case the ultimate goal is simply to copy all important files from the damaged media to another new drive.
[1] [2] [3] Note for example Windows XP's capability to restore operating-system settings from a past date (for instance, before data corruption occurred). Time Machine for Mac OS X provides another example of point-in-time recovery.
The dd utility on a Linux boot CD can be used to copy file systems between disk images and disk partitions to effect a bare-metal backup and recovery. These disk images can then be used as input to a new partition of the same type but equal or larger size, or alternatively a variety of virtualization technologies as they often represent a more accessible but less efficient representation of ...
Partial file copying: A backup may include only the blocks or bytes within a file that have changed in a given period of time. This can substantially reduce needed storage space, but requires higher sophistication to reconstruct files in a restore situation. Some implementations require integration with the source file system.
Windows SharePoint Services 3.0 and Windows Server Update Services 3.0 both include Windows Internal Database, which can be used as an alternative to using a retail edition of SQL Server. WID was a 32-bit application, even as a component of Windows Server 2008 64-bit, which installs in the path C:\Windows\sysmsi\ssee\ In Windows Server 2012 and ...