So you've just created an additional LUN/volume and presented it to all your ESXi servers?
Now you want to rescan the HBAs on the servers so you can start using the storage, but you dont fancy manually doing this on say 10 or maybe even 100 servers.
Here is a very handy piece of VMware PowerCLI that will connect to your vCenter Server, get the list of clusters and hosts, then rescan all the HBAs on those hosts (ESX/ESXi).
Get-Cluster | Get-VMHost | Get-VMHostStorage -RescanAllHBA
Note: Don't forget to change vcenter.domain.local to your vCenter server!!
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All advice, installation/configuration how to guides, troubleshooting and other information on this website are provided as-is with no warranty or guarantee. Whilst the information provided is correct to the best of my knowledge, I am not reponsible for any issues that may arise using this information, and you do so at your own risk. As always before performing anything; check, double check, test and always ensure you have a backup.