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  2. Logical disk - Wikipedia

    en.wikipedia.org/wiki/Logical_disk

    A logical disk, logical volume or virtual disk (VD [1] or vdisk [2] for short) is a virtual device that provides an area of usable storage capacity on one or more physical disk drive(s) in a computer system. The disk is described as logical or virtual because it does not actually exist as a single physical entity in its own right. The goal of ...

  3. Logical volume management - Wikipedia

    en.wikipedia.org/wiki/Logical_volume_management

    RAID 10 is called disk mirroring Red Hat: Linux 4.14 and above Stratis [7] Yes Yes No No No No Yes RAID support planned in 2.0 version [8] Apple: Mac OS X Lion: Core Storage: Yes [9] No No No No No No Currently, it is used in Lion's implementation of FileVault, in order to allow for full disk encryption, as well as Fusion Drive, which is merely ...

  4. List of floppy disk formats - Wikipedia

    en.wikipedia.org/wiki/List_of_floppy_disk_formats

    5 1 ⁄ 4 inch Double 2 40 18 256 360 kB MFM Model 4D 8 inch Double 1 77 26 256 500 kB MFM Model 2 3 1 ⁄ 2 inch Single 1 40 2 1,280 100 kB [28] FM Tandy Portable Disk Drive (aka Brother FB-100, knitking FD-19) 3 1 ⁄ 2 inch Single 1 80 2 1,280 200 kB [29] FM Used only in Tandy Portable Disk Drive 2 5 1 ⁄ 4 inch Double 1 35 18 256 157 kB ...

  5. Logical Disk Manager - Wikipedia

    en.wikipedia.org/wiki/Logical_Disk_Manager

    The Logical Disk Manager (LDM) is an implementation of a logical volume manager for Microsoft Windows NT, developed by Microsoft and Veritas Software. It was introduced with the Windows 2000 operating system, and is supported in Windows XP , Windows Server 2003 , Windows Vista , Windows 7 , Windows 8 , Windows 10 and Windows 11 .

  6. Virtual disk and virtual drive - Wikipedia

    en.wikipedia.org/wiki/Virtual_disk_and_virtual_drive

    Virtual disk and virtual drive are software components that emulate an actual disk storage device.. Virtual disks and virtual drives are common components of virtual machines in hardware virtualization, but they are also widely used for various purposes unrelated to virtualization, such as for the creation of logical disks,software development, testing environments, and data management.

  7. Self-Monitoring, Analysis and Reporting Technology - Wikipedia

    en.wikipedia.org/wiki/Self-Monitoring,_Analysis...

    The disk drives would measure the disk's "health parameters", and the values would be transferred to the operating system and user-space monitoring software. Each disk drive vendor was free to decide which parameters were to be included for monitoring, and what their thresholds should be. The unification was at the protocol level with the host.

  8. Logical Volume Manager (Linux) - Wikipedia

    en.wikipedia.org/wiki/Logical_Volume_Manager_(Linux)

    Creation of read-only snapshots of logical volumes (LVM1), leveraging a copy on write (CoW) feature, [6] or read/write snapshots (LVM2) VGs can be split or merged in situ as long as no LVs span the split. This can be useful when migrating whole LVs to or from offline storage. LVM objects can be tagged for administrative convenience. [7]

  9. Veritas Volume Manager - Wikipedia

    en.wikipedia.org/wiki/Veritas_Volume_Manager

    A modified version is bundled with HP-UX as its built-in volume manager. It offers volume management and Multipath I/O functionalities (when used with Veritas Dynamic Multi-Pathing feature). The Veritas Volume Manager Storage Administrator (VMSA) is a GUI manager.