Re: Fastest Chunk Size w/XFS For MD Software RAID = 1024k

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Justin Piszcz wrote:
mdadm --create \
      --verbose /dev/md3 \
      --level=5 \
      --raid-devices=10 \
      --chunk=1024 \
      --force \
      --run
      /dev/sd[cdefghijkl]1

Justin.

Interesting, I came up with the same results (1M chunk being superior) with a completely different raid set with XFS on top:

mdadm	--create \
	--level=10 \
	--chunk=1024 \
	--raid-devices=4 \
	--layout=f3 \
	...

Could it be attributed to XFS itself?

Peter

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