JBD, or journaling block device, is a generic block device journaling layer in the Linux kernel written by Stephen Tweedie from Red Hat. JBD is filesystem-independent...

A journaling file system is a file system that keeps track of changes not yet committed to the file system's main part by recording the goal of such changes...

On Linux, network block device (NBD) is a network protocol that can be used to forward a block device (typically a hard disk or partition) from one machine...

There are two general kinds of device files in Unix-like operating systems, known as character special files and block special files. The difference between...

spanning multiple physical storage devices. XFS ensures the consistency of data by employing metadata journaling and supporting write barriers. Space...

copies of data, using journaling (see journaling file system). Databases usually implement this using some form of logging/journaling to track changes. The...

Linux, 8 KiB block size is only available on architectures which allow 8 KiB pages, such as Alpha. There are three levels of journaling available in the...

a transparent block device encryption subsystem in Linux kernel versions 2.6 and later and in DragonFly BSD. It is part of the device mapper (dm) infrastructure...

In the C programming language, Duff's device is a way of manually implementing loop unrolling by interleaving two syntactic constructs of C: the do-while...

JFS supports the following features. JFS is a journaling file system. Rather than adding journaling as an add-on feature like in the ext3 file system...

Distributed Replicated Block Device (DRBD) is a distributed replicated storage system for the Linux platform. It mirrors block devices between multiple hosts...

The Smart File System (SFS) is a journaling filesystem used on Amiga computers and AmigaOS-derived operating systems (though some support also exists for...

A device fingerprint or machine fingerprint is information collected about the software and hardware of a remote computing device for the purpose of identification...

intrauterine device (IUD), also known as an intrauterine contraceptive device (IUCD or ICD) or coil, is a small, often T-shaped birth control device that is...

Journalling Flash File System version 2 or JFFS2 is a log-structured file system for use with flash memory devices. It is the successor to JFFS. JFFS2...

A long-range acoustic device (LRAD), acoustic hailing device (AHD) or sound cannon is a specialized loudspeaker that produces sound at high power for communicating...

by ASCIIbetical order, are: badblocks search a device for bad blocks blkid locate/print block device attributes chattr change file attributes on a Linux...

kernel, and a co-maintainer of the Ext3 file system, the journaling layer for block devices (JBD) and memory management. In the late 1980s, he was one...

size and thus prevents uninitialised blocks appearing in a file under node failure conditions. The default journaling mode is data=ordered, to match ext3's...

have case-sensitivity. Metadata-only journaling was introduced in the Mac OS X 10.2.2 HFS Plus driver; journaling is enabled by default on Mac OS X 10...

"Bug 9554 – write barriers over device mapper are not supported". 2009-07-01. Retrieved 2010-01-24. "Barriers and journaling filesystems". LWN. 2008-05-22...

The Journaling Flash File System (or JFFS) is a log-structured file system for use on NOR flash memory devices on the Linux operating system. It has been...

capacitors being the basic building blocks of a CCD, and a depleted MOS structure used as the photodetector in early CCD devices. In the late 1960s, Willard Boyle...

The Lady Godiva device was an unshielded pulsed nuclear reactor originally situated at the Los Alamos National Laboratory (LANL), near Santa Fe, New Mexico...

the superblock is read to determine critical parameters such as block size, journaling state, and AG structure. If the superblock is unreadable, the mount...

environments. ReiserFS – File system that uses journaling Reiser4 – File system that uses journaling, newest version of ReiserFS Reliance – Datalight's...

semiconductor device is a semiconductor device used as a switch or rectifier in power electronics (for example in a switch-mode power supply). Such a device is also...

restrictions in the block driver mean that ext2 filesystems have a maximum file size of 2 TiB. ext2 is still recommended over journaling file systems on bootable...

including Veritas Software Corp. (journaling) VxFS, Sun Microsystems (clustering) QFS, Sun Microsystems (journaling) UFS, and Sun Microsystems (open source...

GBDE, standing for GEOM Based Disk Encryption, is a block device-layer disk encryption system written for FreeBSD, initially introduced in version 5.0...