Native PCI Express Back-end Interconnect in FlashArray//m

Good post by Roland Dreier (thank you)

Many storage users are familiar with ALUA, or Asymmetric Logical Unit Access. This describes storage where some paths don’t work at all or give lower performance, because of standby controllers, volumes associated with a controller, or other architectural reasons.  The Pure Storage FlashArray provides symmetric access to storage — any IO to any volume on any port always gets the same performance.

Read on here

 

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