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WisdomButcher2021-01-05 02:16:13
RAID
WisdomButcher, 2021-01-05 02:16:13

Will it be possible to read data or recover from the remaining disks if one is removed from RAID0?

Goodnight!
I am designing a RAID, and one question arose along the way: can I get at least some of the data in a readable form if one of the drives included in the array is covered?
Thanks to.

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2 answer(s)
Z
Zettabyte, 2021-01-05
@WisdomButcher

Will I be able to get at least some of the data in a readable form if one of the drives included in the array is covered?

In general, no. The only possible exception is if the files are so small that none of the stripes into which they will be divided will end up on the failed drive.
On RAID 0, data is evenly "smeared" across all disks, with no parity. As a result, if one disk fails, the files will start to look like they have been combed through.
For example, when the 3rd disc is released in an array of 4, every 3rd, 7th, 11th, etc. file will be lost in each file. stripe
RAID0 of N disks is N times less reliable than one disk. Its main purpose is speed, not reliability.
Reliability requires RAID 1 or RAID 10.

P
Puma Thailand, 2021-01-05
@opium

Not

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