Tag Archives: rdm

Search for VMware RDMs

A storage admin recently asked me if a couple of LUNs were still in use. They had very little info about them, but knew they were presented to the vSphere hosts. So I wrote a quick script to find all … Continue reading

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Posted in PowerShell, Scripting, vSphere | Tagged , , , , , , , , , , | Leave a comment

vSphere: Convert RDM to VMDK and vice-versa on Windows VM with no downtime

This method will work for non-OS disks (so not your C drive), and will not require the server or application to go down during the process. You need a version of Windows that supports software RAID, which includes all versions … Continue reading

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Posted in Storage, vSphere, Windows | Tagged , , , , , , , , , , , , , , , | 6 Comments

VMware, RDMs and EMC Clariion

So here’s an interesting “feature”: I suspect most people with a Clariion also have a licence for Access Logix, aka Storage Groups, i.e. LUN masking. If you have a Clariion but don’t have Storage Groups then all your LUNs are … Continue reading

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Posted in vSphere | Tagged , , , , , , , , , , | 1 Comment