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Charlie Schluting

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Splunk 3.1: A Log-Monitoring Gem Shines Brighter
Many moons have risen since we last gushed about Splunk, so what better way to reinvigorate our personal buzz than to install the latest version and write a how-to. After talking about a few neat features, we will briefly discuss how to set up central...
Networking 101: Understanding Internet Routing and Peering
What exactly is the Internet? This article will explain the concepts required to understand BGP, our next Networking 101 topic. Shipping packets around the Internet requires the cooperation of separate organizations, so it isn’t as straightforward as...
Storage Networking 101: Understanding Storage Routing
Storage networking is not unlike IP networking, most of the time. In the IP world there are numerous routing protocols and standards; you have dozens of options. In the storage world, however, there are no official routing protocols. Routing does exist,...
Storage Networking 101: Configuring SAN-Attached Servers
Connecting a host to your shiny new SAN is not the same as connecting a single disk, or even a direct-attached SCSI array. This article will explain the reasoning behind current best practices, and explain how to configure your storage for optimal...
Storage Networking 101: Configuring Disk Arrays
The most critical, sometimes tedious, part of setting up a SAN is configuring each individual disk array. In this Storage Networking 101, we’ll delve into best practices and cover the general concepts you must know before configuring SAN-attached...
Homebrew NMS: Put It Together with Perl and Net::SNMP
This week’s look at building a homebrew NMS will focus on using SNMP to gather information about your network. Network Management requires SNMP, and you cannot escape the tangle of OID trees. Certain tools do make it easier, and once you learn a bit...
Storage Networking 101: Understanding Fibre Channel Zones
Fibre Channel (FC) has more security mechanisms built-in that most people realize. They are largely underutilized and misunderstood, so SANs are said to be a security problem. This Storage Networking 101 issue will explore FC zones: the easiest and most...
Storage Networking 101: Understanding Fibre Channel Domains
Understanding the way Fibre Channel (FC) identifies domains, and a new mechanism for virtualizing your fabric, enables you to exploit these concepts to your advantage. Building a SAN isn’t difficult—you just plug things in—but to make it...
Storage Networking 101: Understanding the Fibre Channel Protocol
Understanding the guts of the Fibre Channel (FC) protocol itself, including the naming format and addressing scheme, allows one to better understand what’s happening on a SAN. Quickly glancing at a problem and knowing what’s wrong requires...
Storage Networking 101: Understanding Fibre Channel
As we dive deeper into SAN technology, it’s Fibre Channel’s turn to be examined. Fibre Channel, or FC, is the underpinning of all SAN technologies these days, as it won the protocol war roughly 25 years ago. FC wouldn’t be much use without...