frey_ksg

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frey_ksg

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May 8th, 2026 06:41

Why does 12TB NL-SAS RAID5 require 7 drives in Dynamic Pool?

Hello,

I have a question regarding the minimum number of NL-SAS drives required.

I am currently studying sizing configurations using the Midrange Sizer tool. I noticed that when configuring a Dynamic Pool, 4TB and 6TB NL-SAS drives can be configured as RAID 5 with 6 drives, but 12TB NL-SAS RAID 5 requires 7 drives.

If anyone knows why 12TB NL-SAS requires a 7-drive configuration, I would appreciate your advice or explanation.

Thank you.