CLARiiON Parity Shedding

CLARiiON Parity Shedding

You never know where inspiration might strike. Before the release of the first CLARiiON, the VP of Engineering held an impromptu data integrity meeting. We had put a lot of…
CLARiiON NVRAM

CLARiiON NVRAM

I was wondering if there was a website out there which listed some of the many non-standard RAID levels. I found one here. It's a good read. I'll often follow…
Quality Concerns

Quality Concerns

This first part of my blog is known as the "teaser". Hopefully it convinces the reader to view the rest of the blog. In this case, I'll be a little ...
Secretary of State

Secretary of State

After graduating from college I started working on the RAID-5 algorithms.  Nearly every Friday afternoon at 3PM I would walk over to my boss and tell him I had found ...
Do The Math

Do The Math

I've been writing about the origins of RAID, observing the continual growth of CLARiiON, and commenting about the original software decisions that have fueled this growth. As it is with ...
I Got DIBs

I Got DIBs

Do you think RAID-5 is ubiquitous? Straightforward?  Been there, done that? When you determine that your application needs an underlying RAID solution, do you think that RAID is commodity?  Do ...
RAID-5 Rising

RAID-5 Rising

RAID-5 is common in the storage industry. Are you taking it for granted?  Before you do, hear my story. You see, once upon a time, RAID-5 didn't exist..... October of…