snapshots. Device mapper works by passing data from a virtual block device, which is provided by the device mapper itself, to another block device. Data can...
10 KB (945 words) - 13:40, 29 January 2024
Dm-crypt (redirect from Device mapper crypt)
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...
12 KB (1,112 words) - 19:55, 3 December 2024
Unisys) Mapper(2), a biological database -OR- DataMapper, a software library written in the Ruby language Device mapper, handler for Linux Data mapper pattern...
2 KB (245 words) - 22:17, 23 September 2023
Linux DM Multipath (category Device mapper)
Device Mapper Multipath Input Output often shortened to DM-Multipathing and abbreviated as DM-MPIO provides input-output (I/O) fail-over and load-balancing...
11 KB (1,123 words) - 20:14, 19 March 2025
In Linux, Logical Volume Manager (LVM) is a device mapper framework that provides logical volume management for the Linux kernel. Most modern Linux distributions...
18 KB (2,051 words) - 15:28, 10 January 2025
were Global File System (GFS), logical volume management (LVM) and device mapper (DM). Sistina Software was acquired by Red Hat in December, 2003 for...
3 KB (250 words) - 12:48, 24 December 2024
ext3, ext4 XFS, F2FS, jfs btrfs ZFS MD RAID Device mapper, dmraid, dm-integrity, dm-verity lvm device mapper multipath I/O LUKS, dm-crypt, eCryptfs Virtiofs...
13 KB (844 words) - 22:00, 26 May 2025
functionality was later incorporated into the device mapper, a generic framework used to map one block device onto another. Cryptoloop can create an encrypted...
3 KB (329 words) - 18:30, 29 December 2020
or in software within the operating system (such as Linux mdadm and device mapper). Additionally, file systems like Btrfs or ZFS provide integrated data...
6 KB (691 words) - 07:37, 14 June 2025
since Windows Vista. Flashcache is built on top of the Linux kernel's device mapper. The data structure of the cache is a set-associative hash table, in...
5 KB (650 words) - 03:41, 27 March 2023
Manager, a window system for Domain/OS on Apollo/Domain workstations Device mapper, a component of the Linux kernel that supports logical volume management...
5 KB (563 words) - 14:06, 20 April 2025
available for Windows and many Unix-like OSes Windows Server 2003 and later Device mapper Juan Romero Pardines (2007/2008); David Gwynne (2006). "arcmsr — Areca...
18 KB (1,391 words) - 13:10, 21 May 2025
Google Maps was updated to show a 3D globe. It is still possible to switch back to the 2D map in the settings. Google Maps for mobile devices was first...
164 KB (14,286 words) - 02:19, 15 June 2025
Dm-cache (category Device mapper)
kernel's device mapper, which is a framework for mapping block devices onto higher-level virtual block devices. It allows one or more fast storage devices, such...
16 KB (1,872 words) - 22:44, 16 March 2024
Memory-mapped I/O uses the same address space to address both main memory and I/O devices. The memory and registers of the I/O devices are mapped to (associated...
17 KB (2,288 words) - 01:44, 18 November 2024
the following Rust components: rnull, a drop-in replacement for the null device ASIX AX88772A and Realtek Generic FE-GE physical layer network drivers QR...
14 KB (1,190 words) - 12:27, 16 June 2025
that provides an application programming interface (API) for sound card device drivers. Some of the goals of the ALSA project at its inception were automatic...
15 KB (1,433 words) - 01:38, 28 February 2025
Shingled magnetic recording (section Device-managed)
ZBC/ZAC commands. For other filesystems, the Linux device mapper has a dm-zoned target that maps a host-managed drive into a random-writable drive. Linux...
26 KB (2,718 words) - 08:40, 10 June 2025
with the device mapper. Some distributions use an event-driven hotplug agent such as udev, which invokes helper programs as hardware devices, disk partitions...
17 KB (1,986 words) - 01:01, 20 March 2025
platforms than any other operating system, and is used on a wide variety of devices including PCs, workstations, mainframes and embedded systems. Linux is...
121 KB (11,096 words) - 23:34, 14 June 2025
open-source software portal Linux portal dm-cache – a Linux kernel's device mapper target that allows creation of hybrid volumes EnhanceIO – a disk cache...
14 KB (1,473 words) - 16:44, 11 September 2024
Solid-state drive (redirect from Solid-state storage device)
driver, the SCSI layer (which is used by Serial ATA drivers), device mapper framework, loop device driver, unsorted block images (UBI) driver (which implements...
127 KB (11,158 words) - 14:35, 14 June 2025
checksumming has been added to ext4. Filesystems going through the device mapper interface (including software RAID and LVM implementations) may not...
29 KB (3,189 words) - 10:07, 14 May 2025
User space and kernel space (category Device drivers)
running a privileged operating system kernel, kernel extensions, and most device drivers. In contrast, user space is the memory area where application software...
5 KB (505 words) - 17:02, 13 June 2025
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...
15 KB (1,645 words) - 07:53, 28 April 2025
structures. First released in 2012, Apple Maps replaced Google Maps as the default map system on Apple devices. At launch, it drew criticism from users...
80 KB (8,585 words) - 18:10, 15 June 2025
Linux supports Matrix RAID and Rapid Storage Technology (RST) through device mapper, with dmraid tool, for RAID 0, 1 and 10. And Linux MD RAID, with mdadm...
25 KB (2,458 words) - 20:48, 28 January 2025
Linux kernel (section Supported devices)
operating system is Android which is used in many mobile and embedded devices. Most of the kernel code is written in C as supported by the GNU compiler...
194 KB (18,333 words) - 15:50, 10 June 2025
language) is a blue field with a map of the island in the centre, the Te Whanga Lagoon depicted in white. Behind this device map is a depiction of the rising...
2 KB (162 words) - 10:07, 16 January 2025
information individually, because each logical volume has its own device mapper (dm) device. Disk-drive performance characteristics mpstat netstat sar (Unix)...
5 KB (532 words) - 10:01, 18 September 2022