• Skip to main content
  • Skip to primary sidebar
  • Skip to footer
  • Home
  • About
    • Stephen Foskett
      • My Publications
        • Urban Forms in Suburbia: The Rise of the Edge City
      • Storage Magazine Columns
      • Whitepapers
      • Multimedia
      • Speaking Engagements
    • Services
    • Disclosures
  • Categories
    • Apple
    • Ask a Pack Rat
    • Computer History
    • Deals
    • Enterprise storage
    • Events
    • Personal
    • Photography
    • Terabyte home
    • Virtual Storage
  • Guides
    • The iPhone Exchange ActiveSync Guide
      • The iPhone Exchange ActiveSync Troubleshooting Guide
    • The iPad Exchange ActiveSync Guide
      • iPad Exchange ActiveSync Troubleshooting Guide
    • Toolbox
      • Power Over Ethernet Calculator
      • EMC Symmetrix WWN Calculator
      • EMC Symmetrix TimeFinder DOS Batch File
    • Linux Logical Volume Manager Walkthrough
  • Calendar

Stephen Foskett, Pack Rat

Understanding the accumulation of data

You are here: Home / Archives for multipath I/O

multipath I/O

VMware PSP and SATP in Plain English

June 6, 2011 By Stephen 4 Comments

I am often questioned during my Storage for Virtual Environments seminar presentations about VMware's Pluggable Storage Architecture (PSA). This system is fairly straightforward and concept: VMware provides native multipathing support for a variety of storage arrays, and allows third parties to substitute their own plug-ins at various points in the stack. But the profusion of … [Read more...] about VMware PSP and SATP in Plain English

Multipath: Active/Passive, Dual Active, and Active/Active

March 30, 2010 By Stephen 10 Comments

Although it's rare in the PC world, multipath I/O is not new in enterprise IT. I've been juggling paths to storage and networks as long as I've been a systems administrator, and that's a bit longer than I care to admit. But the proliferation of technologies has made it difficult to understand path management. What's the difference between "dual active" and "active/active"? Is … [Read more...] about Multipath: Active/Passive, Dual Active, and Active/Active

Primary Sidebar

Imagine if every Thursday your shoes exploded if you tied them the usual way. This happens to us all the time with computers, and nobody thinks of complaining.

Jef Raskin

Subscribe via Email

Subscribe via email and you will receive my latest blog posts in your inbox. No ads or spam, just the same great content you find on my site!
 New posts (daily)
 Where's Stephen? (weekly)

Download My Book


Download my free e-book:
Essential Enterprise Storage Concepts!

Recent Posts

How To Install ZeroTier on TrueNAS 12

February 3, 2022

Scam Alert: Fake DMCA Takedown for Link Insertion

January 24, 2022

How To Connect Everything From Everywhere with ZeroTier

January 14, 2022

Electric Car Over the Internet: My Experience Buying From Vroom

November 28, 2020

Powering Rabbits: The Mean Well LRS-350-12 Power Supply

October 18, 2020

Tortoise or Hare? Nvidia Jetson TK1

September 22, 2020

Running Rabbits: More About My Cloud NUCs

September 21, 2020

Introducing Rabbit: I Bought a Cloud!

September 10, 2020

Remove ROM To Use LSI SAS Cards in HPE Servers

August 23, 2020

Test Your Wi-Fi with iPerf for iOS

July 9, 2020

Symbolic Links

    Featured Posts

    The I/O Blender Part 1: Ye Olde Storage I/O Path

    May 23, 2012

    Marketers: Fudging the Meaning of Buzzwords Matters (To You!)

    December 2, 2015

    FCoE vs. iSCSI – Making the Choice

    May 20, 2011

    It’s Time To Speak Out Against Sexism In IT Recruiting

    May 6, 2013

    How to Get Me to Write about Your Company or Product

    March 15, 2012

    A Complete List of VMware VAAI Primitives

    November 10, 2011

    Go Get a ProtonMail Account and Protect Your Online Life!

    July 19, 2017

    SMB 3 is Going to be Huge, in both Scope and Impact

    May 6, 2012

    My Advice For New Business Travelers: Get The Credit Cards!

    March 20, 2014

    Review: American Standard’s Champion 4 Toilet Flushes Almost Anything

    July 31, 2012

    Footer

    Legalese

    Copyright © 2022 ยท Log in