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Configuring a VM for SNMP monitoring using Cacti
There are a number of things that I don’t miss with old physical infrastructures. One near the top of the list is a general lack of visibility for each and every system. Horribly underutilized hardware running happily along side overtaxed or misconfigured systems, and it all looked the same. Fortunately, virtualization has changed much of…
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Diagnosing a failed iSCSI switch interconnect in a vSphere environment
The beauty of a well constructed, highly redundant environment is that if a single point fails, systems should continue to operate without issue. Sometimes knowing what exactly failed is more challenging than it first appears. This was what I ran into recently, and wanted to share what happened, how it was diagnosed, and ultimately corrected.…
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Reworking my PowerConnect 6200 switches for my iSCSI SAN
It sure is easy these days to get spoiled with the flexibility of virtualization and shared storage. Optimization, maintenance, fail-over, and other adjustments are so much easier than they used to be. However, there is an occasional reminder that some things are still difficult to change. For me, that reminder was my switches I use…
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Replication with an EqualLogic SAN; Part 4
If you had asked me 6+ weeks ago how far along my replication project would be on this date, I would have thought I’d be basking in the glory of success, and admiring my accomplishments. …I should have known better. Nothing like several IT emergencies unrelated to this project to turn one’s itinerary into…