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  2. Standard RAID levels - Wikipedia

    en.wikipedia.org/wiki/Standard_RAID_levels

    Diagram of a RAID 1 setup. RAID 1 consists of an exact copy (or mirror) of a set of data on two or more disks; a classic RAID 1 mirrored pair contains two disks.This configuration offers no parity, striping, or spanning of disk space across multiple disks, since the data is mirrored on all disks belonging to the array, and the array can only be as big as the smallest member disk.

  3. geom raid5 - Wikipedia

    en.wikipedia.org/wiki/Geom_raid5

    geom_raid5 is a storage module created for the FreeBSD operating system. It facilitates RAID5 functionality without the need of a hardware RAID controller.. geom_raid5 allows storage of large amounts of data to be protected against disk failure, while providing good throughput performance.

  4. Solaris Volume Manager - Wikipedia

    en.wikipedia.org/wiki/Solaris_Volume_Manager

    Solaris Volume Manager (SVM; formerly known as Online: DiskSuite, and later Solstice DiskSuite) is a software package for creating, modifying and controlling RAID-0 (concatenation and stripe) volumes, RAID-1 (mirror) volumes, RAID 0+1 volumes, RAID 1+0 volumes, RAID-5 volumes, and soft partitions.

  5. Nested RAID levels - Wikipedia

    en.wikipedia.org/wiki/Nested_RAID_levels

    As a RAID 0 array striped across RAID 5 elements, minimal RAID 50 configuration requires six drives. On the right is an example where three collections of 120 GB RAID 5s are striped together to make 720 GB of total storage space. One drive from each of the RAID 5 sets could fail without loss of data; for example, a RAID 50 configuration ...

  6. mdadm - Wikipedia

    en.wikipedia.org/wiki/Mdadm

    MD can handle devices of different lengths, the extra space on the larger device is then not striped. RAID 1 – Mirror. RAID 4 – Like RAID 0, but with an extra device for the parity. RAID 5 – Like RAID 4, but with the parity distributed across all devices. RAID 6 – Like RAID 5, but with two parity segments per stripe.

  7. RAID - Wikipedia

    en.wikipedia.org/wiki/RAID

    RAID (/ r eɪ d /; redundant array of inexpensive disks or redundant array of independent disks) [1] [2] is a data storage virtualization technology that combines multiple physical data storage components into one or more logical units for the purposes of data redundancy, performance improvement, or both.

  8. Btrfs - Wikipedia

    en.wikipedia.org/wiki/Btrfs

    Download QR code; Print/export ... RAID 5, RAID 6 (fail to guard against write holes) ... while initially consuming very little disk space. Since a snapshot is a ...

  9. Vinum volume manager - Wikipedia

    en.wikipedia.org/wiki/Vinum_volume_manager

    Hybrid RAIDs have become very popular with the introduction of inexpensive hardware RAID controllers. The hardware is a normal disk controller that has no RAID features, but there is a boot-time application that allows users to set up RAIDs that are controlled via the BIOS. When any modern operating system is used, it will need specialized RAID ...

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