Hard Drive Technologies

Reviews, Guides, Tips and Recovery of Hard Disk Drive Data

What is RAID 0, 1, 2, 3, 4, 5, 6 and 10 (1+0)?

December 22, 2017 Jon 31 Comments



Need to free up space on a drive? Check these 6 ways: https://mob3.net/threads/6-ways-to-free-up-space-on-your-ssd-drive.6462/

This is my very old IBM XT 20MB Seagate HDD spinning up with the cover removed (not recommended!) to show how the old hard drive technology worked. These old drives used stepper motors to move the heads back and forth and needed a program to “park” the heads in place unlike newer drives. The drives ran at around 1800rpm and peak transfer rates were less than 100kb/sec.
Video Rating: / 5

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Comments

  1. Dan Coulson
    December 22, 2017 - 12:17 pm

    I know data can still be read from a degraded RAID 5 array, but can it still be written to?

  2. Omar nabil
    December 22, 2017 - 12:26 pm

    Love the vid, thx

  3. Nihil Islands
    December 22, 2017 - 12:34 pm

    Where ÃŪs RAID 7, 8, 9 ?! Why?!

  4. time bomber
    December 22, 2017 - 12:52 pm

    ma chudi pari he

  5. time bomber
    December 22, 2017 - 1:50 pm

    u r a killer

  6. Jethro B
    December 22, 2017 - 2:40 pm

    i can't still understand haha

  7. Randy Clower
    December 22, 2017 - 3:30 pm

    I produce and record music as well as edit video. Looking to build a new computer. Which raid set up is most common?

  8. Kiran Zinjurde
    December 22, 2017 - 3:40 pm

    Nice Job mobilephone2003
    To configure RAID on HP Server :- https://www.youtube.com/watch?v=nB9Id2ohpb0&t=2s

  9. DanielRichards644
    December 22, 2017 - 4:19 pm

    So RAID 5 is what I should do if I buy 4 4TB drives and want 12TB of storage while not having to worry if 1 drive fails.

  10. hars**t mahajan
    December 22, 2017 - 4:50 pm

    Thank you, this help me a lot in my finals..

  11. David Gill
    December 22, 2017 - 5:04 pm

    Why is there no RAID 7-9?

    Because 7 ate 9.

  12. Md Abu aslam
    December 22, 2017 - 5:05 pm

    Fantastic explanation.Made things very clear
    Thank you so much

  13. Mr. Smith
    December 22, 2017 - 5:54 pm

    No worry. This was certainly helpful. I'm helping a level 4 National Lab employee and math PhD (I'm decidedly neither) with building a MIDI setup in his accordion and this helps me talk with him on a larger scale. –the more you know.

  14. Taff Jones
    December 22, 2017 - 6:04 pm

    Nicely explained, thanks. Been wondering what it all meant.

  15. McRom37
    December 22, 2017 - 6:35 pm

    WHAT!!!!!!$#&^&(#@

  16. Ari Sweedler
    December 22, 2017 - 6:59 pm

    Great video! You explained everything very well! You did the best job I've ever seen showing the subtle differences between RAIDs 4, 5, 6. I'm definitely saving this video for later! Cheers

  17. Salu Cg
    December 22, 2017 - 7:56 pm

    Hi everyone . When a main disk fails is the data reconstructed in a parity disk, or is the data stored in the main disks also present in parity disks, for backup.

  18. Thomas Woolum
    December 22, 2017 - 8:37 pm

    Does this hard drive still work? True or False 🙂

  19. AIO inc.
    December 22, 2017 - 8:58 pm

    It's an ST-225, which isn't rare. It was once the most popular option for a PC hard disk!

  20. Diamondblade2008
    December 22, 2017 - 9:49 pm

    I really like how hard drives look like record players with the platters and the arm.

  21. Arman Kordi
    December 22, 2017 - 9:54 pm

    rare? i got 3 of these

  22. Matthew Walker
    December 22, 2017 - 10:00 pm

    I have gotten 300kb or more out of this model after reformatting it last month. They also turn at about 3600rpm.

  23. Giggity Goebbels
    December 22, 2017 - 10:56 pm

    I got a 3TB toshiba hard drive,and this really make me feel weird

  24. turbojoe2
    December 22, 2017 - 11:01 pm

    Holy crap I had this HDD too! Had a steel band connecting the stepper to the armature right?

  25. Mohamed RACHID
    December 22, 2017 - 11:37 pm

    How can it work without its cover?! But nice and interesting video! 🙂

  26. Arman Kordi
    December 22, 2017 - 11:37 pm

    Rare?
    I have the same thing.

  27. Cahya Himawan
    December 23, 2017 - 12:34 am

    that transfer rate is the most fastest on its time

  28. Rodrigo Volta
    December 23, 2017 - 12:57 am

    100kBps??? My God!!!!

  29. Home Of Vintage Technology
    December 23, 2017 - 1:57 am

    The Drive runs with 3600RPM.

  30. TheCRTman
    December 23, 2017 - 2:09 am

    No.

  31. ryzuk98
    December 23, 2017 - 2:38 am

    Can this hdd install Windows 7 and crysis 2?

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