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Stephen Foskett, Pack Rat

Understanding the accumulation of data

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SAS

My FreeNAS Build: Supermicro X10SL7, Intel Haswell Xeon, ECC RAM

August 4, 2016 By Stephen 2 Comments

In my last post, I talked about my decision to build a FreeNAS box. Today I'm going to dive into the hardware I selected, starting with the motherboard, CPU, and memory. FreeNAS runs on any PC hardware, but building a reliable and scalable storage solution means picking higher-end components. I selected a Supermicro X10SL7 server-class motherboard with 14 (!) SAS/SATA ports … [Read more...] about My FreeNAS Build: Supermicro X10SL7, Intel Haswell Xeon, ECC RAM

Why Are PCIe SSDs So Fast?

June 12, 2013 By Stephen 6 Comments

The world of storage can be confusing, with obscure terms hiding massive differences in technology and performance. Such is the case for the latest PCI express SSDs: They are much faster than traditional SAS or SATA SSDs, but many aren't sure exactly why. In this article, I will try to explain the real difference. Let's get it out of the way from the start: All SSDs are fast … [Read more...] about Why Are PCIe SSDs So Fast?

How Fast Is It? A Storage Infographic

October 29, 2010 By Stephen 7 Comments

How fast is a hard disk drive? How about the various flavors of SATA and Fibre Channel? Check out this handy Pack Rat infographic to answer the question, "how fast is it?" … [Read more...] about How Fast Is It? A Storage Infographic

The Four Horsemen of Storage System Performance: I/O As a Chain of Bottlenecks

October 27, 2010 By Stephen Leave a Comment

Why do some data storage solutions perform better than others? What tradeoffs are made for economy and how do they affect the system as a whole? These questions can be puzzling, but there are core truths that are difficult to avoid. Mechanical disk drives can only move a certain amount of data. RAM caching can improve performance, but only until it runs out. I/O channels can be … [Read more...] about The Four Horsemen of Storage System Performance: I/O As a Chain of Bottlenecks

STEC Spills the Beans on ZeusRAM SSD

May 10, 2010 By Stephen 3 Comments

STEC may not have been quite ready to reveal their next-generation ZeusRAM solid-state disk (SSD), but they are demonstrating it anyway at EMC World in Boston this week. The ZeusRAM is a fundamentally different animal from the existing ZeusIOPS drive in one critical way: Rather than using flash memory for primary data storage, the ZeusRAM uses DRAM. This improves reliability … [Read more...] about STEC Spills the Beans on ZeusRAM SSD

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