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ESXi 6.0 May 2015 CBT Fix Patch (Build 2715440)

VMware has republished the patch for ESXi 6.0

Product: VMware ESXi 6.0
Release date: May 14, 2015
Patch: ESXi600-201505001
Build: 2715440
Links: KB2116125 | Download

The update resolves the CBT Bug

Operations might fail or not work as expected on a Change Block Tracking (CBT) enabled virtual machine due to excessive CBT heap exhaustion:

  • Virtual machine backup
  • Virtual machine Power on
  • Expanding the size of the virtual disk
  • Taking virtual machine quiesced snapshots

You can observe error log similar to the following in the /var/log/vmkernel.log file:

<YYYY-MM-DD>T<TIME>.nnnn cpu5:nnnnnn)WARNING: CBT: 191: No memory available! Called from 0xnnnnnnnnnnnn

The vSphere Client might display an error message similar to the following when you attempt quiesced snapshot:

An error occurred while taking a snapshot: msg.snapshot.error-QUIESCINGERROR

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The latest ESXi 6.0.0 Build number is now: 2715440
Updated: ESXi Release and Build Number History
Updated: VMware Product Latest Version
Updated: ESXi Image Profiles

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