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SESK: Stuff Everyone Should Know · sesk.info/aplus-raid0-stripe

Which RAID level stripes data for speed but provides no redundancy?

RAID 0, striping.

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  1. RAID 1
  2. RAID 0 ✔
  3. RAID 6

Why: RAID 0 is a performance oriented striped layout. It gives high I/O speed at low cost but provides no redundancy, so one failed drive loses the array.

Huh, didn't know that: The A+ Core 1 objectives list RAID levels 0, 1, 5, 6 and 10.

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References

Answer: RAID 0. RAID 0 is a performance oriented striped layout. It gives high I/O speed at low cost but provides no redundancy, so one failed drive loses the array.

  1. Red Hat Enterprise Linux 9: Managing RAID docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/managing_storage_devices/managing-raid_managing-storage-devices
    RAID level 0, often called striping, is a performance-oriented striped data mapping technique.
    Checked 2026-10-10.
  2. Red Hat Enterprise Linux 9: Managing RAID docs.redhat.com/en/documentation/red_hat_enterprise_linux/9/html/managing_storage_devices/managing-raid_managing-storage-devices
    allowing high I/O performance at low inherent cost but provides no redundancy
    Checked 2026-10-10.

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