stride

[Mag Gam]

I am trying to understand the stride option for ext3 .

If I am using a Hardware RAID (3ware) with 6 disks and I decide to go with
RAID 5 with stripe of 128KB (default on my controller) and no spare.
By reading documentation I should do 128/4 as my stride size when creating
the file system. I am not understanding how this number works and what
exactly stride does. Can someone care to explain this to me?


TIA
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