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NS0-157 · Question #313

The two copies SyncMirror volume are called ____________, which are physical copies of the same file system and consist of one or more RAID groups.

The correct answer is C. Plexes. SyncMirror maintains two physical copies of the file system called plexes, each made up of one or more RAID groups to provide mirrored redundancy.

Data Protection and High Availability

Question

The two copies SyncMirror volume are called ____________, which are physical copies of the same file system and consist of one or more RAID groups.

Options

  • ASnapshot copies
  • BAggregates
  • CPlexes
  • DVolumes

How the community answered

(33 responses)
  • A
    3% (1)
  • C
    94% (31)
  • D
    3% (1)

Why each option

SyncMirror maintains two physical copies of the file system called plexes, each made up of one or more RAID groups to provide mirrored redundancy.

ASnapshot copies

Snapshot copies are read-only, point-in-time images of a volume's active file system, not the mirrored physical copies maintained by SyncMirror.

BAggregates

Aggregates are logical storage containers composed of disks that hold volumes, not the individual mirrored copies within a SyncMirror relationship.

CPlexesCorrect

In SyncMirror, a plex is one of the two physical copies of the file system data. Each plex resides on a separate set of disks and consists of one or more RAID groups, allowing the mirror to survive a complete disk shelf or loop failure.

DVolumes

Volumes are logical file system containers allocated from an aggregate, not the mirrored physical copies that SyncMirror creates.

Concept tested: SyncMirror plex architecture and RAID mirroring

Source: https://docs.netapp.com/us-en/ontap/concepts/mirroring-data-to-remote-site-disaster-recovery-concept.html

Topics

#SyncMirror#plexes#RAID groups#mirroring

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