[TriLUG-announce] March 8 Meeting - Device Mapper Multipath

Bill Farrow bill at arrowsreach.com
Tue Feb 28 09:54:02 EST 2012

Topic: Device Mapper Multipath
Presenter: Adam Drew
URL: http://trilug.org/2012-03-08/device-mapper-multipath
When: Thursday, March 8, 7pm
Where: Red Hat HQ, NCSU Centennial Campus, 1801 Varsity Dr, Raleigh, NC
Map: http://maps.google.com/maps?q=red+hat+&hl=en&sll=35.773414,-78.675874&hq=red+hat

In enterprise environments fault tolerance, redundancy, and high
throughput are all major concerns. And there are few places where
these concerns are as pressing as they are for enterprise storage.
Multipath is a storage technology that fulfills all of these
requirements and Device Mapper Multipath is a native multipathing
solution for Linux systems. Though Device Mapper Multipath is mature,
stable, and widely deployed it is often misunderstood and incorrectly

This presentation explains Device Mapper Multipath starting at theory
of operation, to deployment, and finally through troubleshooting. The
goal of the presentation is to provide a clear and complete
description of how to deploy, understand, and resolve issues with
Device Mapper Multipath on Linux systems. The material will be
presented with a focus on Device Mapper Multipath on Red Hat
Enterprise Linux 5 and Red Hat Enterprise Linux 6 but is  also
applicable to Fedora, CentOS, Scientific Linux, and other
Fedora-derived distributions.

Adam Drew is a Software Engineer with Red Hat in Raleigh, North
Carolina. Drew started with Red Hat in 2009 as a front-line phone
support technician, worked his way up through Red Hat's Global Support
Services organization, and recently joined Red Hat's supportability
team as a software engineer. Drew specializes in High Availability
clustering, storage, filesystems, and the device mapper. Drew has
given presentations on storage topics at the Red Hat Summit in Boston
and in Red Hat's Technical Account Management webinar series and is
the author of over 150 Red Hat knowledge-base articles and technical
briefs. Drew lives with his wife, dog, and three cats in Raleigh.

Many of you will know Drew from his smiling face at the front desk at
Red Hat where he buzzes the doors open on Thursday nights.  Last year
he gave a fantastic presentation on Open Source Software for
Musicians.  http://trilug.org/2010-11-11/software-for-musicians

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