Configuration relationships for VMware storage and EMC

Recently, the company has been experiencing a full pool of EMC storage pools, resulting in the need to remove LUNs from VMware to free up storage space, documenting this process for later learning.

First, the idea of storage removal from VMware is to remove the LUN from the VMware plane, remove the LUN from the host group in the EMC (disassociate), and finally delete the LUN, so that the pool will automatically reclaim the storage resources (it takes about 3-5 minutes to recycle).

Steps:

One, remove the LUN after uninstalling in VMware storage. It is a good idea to first migrate the hosts on the LUN to other LUNs before uninstalling, or VMware will make the move to migrate the virtual machine host during the uninstallation process.

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Second, in the EMC management interface, remove the LUN information from the storage host group. For our company, each host needs to make a delete action.

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After you remove the LUN information from each ESXi host, delete the LUN.

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Once the LUN is removed, the pool will proactively reclaim the LUN's capacity, and the available capacity of the displayed pool will increase.

Configuration relationships for VMware storage and EMC