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Mostly self-healing in some configurations due to the nature of copy-on-write; Online defragmentation and an autodefrag mount option [27] Online volume growth and shrinking; Online block device addition and removal; Online balancing (movement of objects between block devices to balance load) Offline filesystem check [40]
ZFS (previously Zettabyte File System) is a file system with volume management capabilities. It began as part of the Sun Microsystems Solaris operating system in 2001. Large parts of Solaris, including ZFS, were published under an open source license as OpenSolaris for around 5 years from 2005 before being placed under a closed source license when Oracle Corporation acquired Sun in 2009–2010.
Self-healing of early stage damage is thus a promising new approach to extend the lifetime of the metallic components. In metals, self-healing is intrinsically more difficult to achieve than in most other material classes, due to their high melting point and, as a result, low atom mobility.
"Unlike the self-healing robots in the 'Terminator' movie, this process is not visible at the human scale. It occurs at the nanoscale, and we have yet to be able to control the process," Boyce added.
Built from jelly-like materials, the self-healing batteries were developed by a team at the University of Cambridge after they took inspiration from the muscle cells of electric eels.
The Volume Shadow Copy Service (VSS) keeps historical versions of files and folders on NTFS volumes by copying old, newly overwritten data to shadow copy via copy-on-write technique. The user may later request an earlier version to be recovered. This also allows data backup programs to archive files currently in use by the file system.
The Opal Storage Specification is a set of specifications for features of data storage devices (such as hard disk drives and solid state drives) that enhance their security. For example, it defines a way of encrypting the stored data so that an unauthorized person who gains possession of the device cannot see the data.
Ceph (pronounced / ˈ s ɛ f /) is a free and open-source software-defined storage platform that provides object storage, [7] block storage, and file storage built on a common distributed cluster foundation.