What is the RAID 5 write penalty for random, small write I/Os?
A. 1
B. 2
C. 4
D. 6
3 Comments on “What is the RAID 5 write penalty for random, small write I/Os?”
Sagarsays:
answer should be 4
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kerkaelsays:
The write penalty ends up being 4 though in a RAID 5 scenario because for each change to the disk, we are reading the data, reading the parity and then writing the data and writing the parity before the operation is complete.
answer should be 4
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The write penalty ends up being 4 though in a RAID 5 scenario because for each change to the disk, we are reading the data, reading the parity and then writing the data and writing the parity before the operation is complete.
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I choose C
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