Using esxupdate on ESXi host fails with the error: Unable to create, write or read a file as expected

Products

• VMware vSphere ESXi

Issue/Introduction

Symptoms:

• Using the esxupdate or vihostupdate command to update an ESXi host fails.
• You see the error:
  Unable to create, write or read a file as expected.I/O Error (27) on file : [Errno 27] File too large
  

Resolution

This issue occurs because there is not enough scratch space configured to complete the update.

To resolve this issue, see Creating a persistent scratch location for ESXi (1033696) to create scratch space on a datastore for the ESXi host.

Additional Information

If this issue persists, file a support request with VMware Support and note this KB article ID in the problem description. For more information, see Filing a Support Request in Customer Connect (2006985).Creating a persistent scratch location for ESXi 4.x/5.x/6.x
How to file a Support Request in Customer Connect