RAID 5, explained
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10m 29sLänge
One thing I forgot to include in the video is how the capacity of the RAID-array is calculated. The total capacity of the array is: (n x cs) - cs = tc n = number of drives cs= capacity of the smallest drive tc = total capacity So if you have 3 drives, and they are 2x500GB and 1x750GB the total capacity will be: (3 x 500) - 500 = 1000GB So the optimal RAID 5 array is formed with drives of the same size.
Kommentare
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Very informative and easy to understand. Thank you!
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Hello Sn0le, well explained. Im used to it being explained like this, does the bit written to HDD1 match HDD2. If yes write parity bit 1 as true in programming. If it does not mach we write parity bit 0, which is false.
I know this is not important at all and we get the same result. I guess this is only important to the recovery software. -
Thanks for the great video. Great job explaining parity...
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BEST Explanation sn0le , thanks
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you said at 1:20 that with raid 0, you would have a 3 tb virtual hard drive. This is not true. with raid 0 (and 3 drives), you only get the capacity of 1 drive and the theoretical speed of 3 drives
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SO detailed!
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good example
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Fantastic Explanation!!
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Great explanation. Wish you'll start doing more of this.
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Great explanation, thanks! :-)
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Best Explanation!!!!!!!!!!!!!!!!!!!! we do need more IT guys like you to make good quality videos
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Great explanation. I was confused with what parity meant.
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Great explanation, easy to understand.
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The best tutor ever. You explained it very well.
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good stuff man! nice explanation. thanks :-)
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Thanks. This was explained in the best possible way.
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We need more teachers like you
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very useful i think all the instructor should be like u as simple and as informative. Thank u once again
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very useful and very nicely simplified