SAN
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VMware
VMware vSphere ESXi Storage Performance Troubleshooting
Recently, I was troubleshooting an issue with a production VMware vSphere cluster that was presenting with severe performance issues across the board. After triaging the symptoms of the performance issue it pointed to storage as being the culprit for the…
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vSphere 6.5
Change Paravirtual to NVMe virtual storage controller in vSphere 6.5
With each new release of vSphere we have had storage performance improvements. The virtual storage controllers that are presented to a virtual machine can impact the performance of those VMs greatly. New to vSphere 6.5, we have the availability of…
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vSphere 6
ESXi 6 Equallogic reclaim free space
If you are thin provisioning VMs in your environment with an Equallogic SAN attached to your cluster, you may find that you start receiving warning from SAN HQ or your group manager alerting which states [ID: 4.2] Caution: % In-use…
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Virtualization
Equallogic SAN basic initial iSCSI setup
Recently, I configured a couple of Dell Equallogic SANs for two different VMware environments and I wanted to pass along to you guys the steps required to stand up a new Equallogic environment as well as tweaks made to the…
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Virtualization
Check Equalogic SAN hard drives for errors
Many use and love Equalogic SANs in their virtual environments. ย I wanted to write up a quick post on how to see if any of your hard drives inside your Equalogic have experienced or are experiencing drive errors. ย This can…
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vSphere 6
FreeNAS Change IP Address on iSCSI target VMware ESXi 6
FreeNAS is one of the easiest and coolest virtual SAN appliances out there for use with VMware and other Hypervisor labs. ย If you have FreeNAS already setup and running with a VMware lab, you may at some point due to…
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Virtualization
How to change the raid controller battery in an MD3000i
In working with a client recently in changing out the RAID controller battery on an MD3000i connected to a small VMware environment, I wanted to post the steps taken to get the batteries changed on both RAID controllers in the…