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Where the Cloud Touches Down: Simplifying Data Center Infrastructure Management

Thursday, July 25, 2013
10:00 AM PT/1:00 PM ET

In most data centers, DCIM rests on a shaky foundation of manual record keeping and scattered documentation. OpManager replaces data center documentation with a single repository for data, QRCodes for asset tracking, accurate 3D mapping of asset locations, and a configuration management database (CMDB). In this webcast, sponsored by ManageEngine, you will see how a real-world datacenter mapping stored in racktables gets imported into OpManager, which then provides a 3D visualization of where assets actually are. You'll also see how the QR Code generator helps you make the link between real assets and the monitoring world, and how the layered CMDB provides a single point of view for all your configuration data.

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SDN First Steps

Thursday, August 8, 2013
11:00 AM PT / 2:00 PM ET

This webinar will help attendees understand the overall concept of SDN and its benefits, describe the different conceptual approaches to SDN, and examine the various technologies, both proprietary and open source, that are emerging. It will also help users decide whether SDN makes sense in their environment, and outline the first steps IT can take for testing SDN technologies.

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Iomega StorCenter ix4-200d: One Snazzy NAS

Feature-rich SMB and home office multi-terabyte storage products are falling below $1000, and these NAS devices support a variety of file protocols, are easy to install and manage, and now, don't cost an arm and a leg to run. The ix4-200d, which ships with 2, 4 or 8 TBytes, stacks up against storage NAS products like the Seagate BlackArmor NAS 440 or the QNAP TS-439, though the TS-439 has some more advanced features such as front removable drives and more RAID levels. After several months of testing and use, we can say Iomega delivers on its promise of a low-cost SMB NAS. While we did run into issues with the Web UI and downloading large files, for the most part we simply forgot it was there, which is saying something. For the $899 list for the 4TB model I tested (2.7 TB using RAID 5), the StorCenter ix4-200d is a decent NAS for SMB use and has enough features to satisfy the more technically demanding environment.

EMC talks up the ix4-200d as a desktop NAS, but really, you wouldn't want it on your desk. The device's sporadic chatter can be distracting. While I was building a 100GB iSCSI LUN (which took hours), the ix4-200d sounded like it contained a horde of ravenous chimpmunks eating acorns, though deleting an iSCSI LUN was quick and quiet. The ix4-200d does has power management features, such as dimming the bright blue LED panel and powering down the disks while idle.

The device uses a simple Web-based user interface, and the purchase price includes one year of TZO's Dynamic DNS so that you can access the web interface and files remotely. The StorCenter walks you through the TZO Dynamic DNS registration, where you choose a name for your StorCenter, and it registers under the Iomegalink.com domain. When you are on the road,  all you have to do is open HTTPS on your firewall/router to get access to the NAS.

The ix4-200d has simple file security features to manage access to folders. These are okay for most situations, but an advanced set of options would have more robust access controls. We could assign directories as read only, read/write, and no permissions to users, but we couldn't enable certain protocols for specific directories. For example, FTP users are able to access all directories. There isn't  a way to set up anonymous FTP, either. Arguably, SMBs may not be running anonymous FTP servers to the Internet, but FTP is still used for file transfer. It would have been nice to have more control over what protocols were assigned to shares.

MegabytesPerSecond.jpgPerformance wise, we found the is4-200d fairly fast for both CIFS and ftp file transfers. We used Iometer  2008.06.18 for performance testing. We connected the ix4-200d using a single 1Gb Ethernet to a Cisco Catalyst 3750G. Our client device was a Dell Optiplex 745 running Windows XP. We monitored the network traffic using a Fluke Networks OptiView Series III Network Integrated Analyzer. For the iSCSI testing, we created a 100GB LUN on the ix4-200d. For CIFS and FTP, we used an existing share. We used the 32Kb Read test from Iometer, which specified 32KB sequential reads and  well as the 32KB 0% Read (all sequential writes). We also set the outstanding IO on Iometer to ten to maximize performance. Beyond ten, we didn't see much performance gain.

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