You can create a diagnostic partition for your host.

Prerequisites

Launch the vSphere Client and log in to a vCenter Server system.

Procedure

  1. Log in to the vSphere Client and select the host from the Inventory panel.
  2. Click the Configuration tab and click Storage in the Hardware panel.
  3. Click Datastores and click Add Storage.
  4. Select Diagnostic and click Next.
    If you do not see Diagnostic as an option, the host already has a diagnostic partition.
  5. Specify the type of diagnostic partition.
    Option Description
    Private Local Creates the diagnostic partition on a local disk. This partition stores fault information only for your host.
    Private SAN Storage Creates the diagnostic partition on a non-shared SAN LUN. This partition stores fault information only for your host.
    Shared SAN Storage Creates the diagnostic partition on a shared SAN LUN. This partition is accessed by multiple hosts and can store fault information for more than one host.
  6. Click Next.
  7. Select the device to use for the diagnostic partition and click Next.
  8. Review the partition configuration information and click Finish.