As part of my migration work to EMC storage I need to create a custom SATP rule on each of my vSphere 5.0 hosts. The two obvious options are using ESXCLI from a SSH session to each host, or using PowerShell where ESXCLI is exposed using the Get-EsxCli cmdlet. The PowerShell option suits me better … Continue reading “Creating custom SATP claimrules for EMC Symmetrix”
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We are in the process of migrating from HDS to EMC storage and I have been testing our Symmetrix VMAX 40K on vSphere 5.0. This has been an interesting journey and has highlighted that although similar concepts (ie. block storage with FC connectivity), storage arrays differ and need careful implementation if you want to get … Continue reading “EMC Symmetrix VMAX 40K testing on vSphere 5.0”
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Guest OS partition alignment isn’t a new topic, but it is important that you deal with any misaliged disks to ensure that you are getting the best out of your storage. This post will cover how to identify which of your windows VM’s are affected using PowerShell and WMI. Firstly, to put the performance differences … Continue reading “Are all your guest OS partitions correctly aligned?”
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