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Knowledge Base

Virtual machine freezes temporarily during snapshot removal on an NFS datastore in a ESX/ESXi 4.1 host (1031106)

Last Updated: 3/20/2024Categories: TroubleshootingTotal Views: 41584Language:
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Symptoms

When removing the snapshot of the virtual machine residing on the NFS storage in an ESX/ESXi 4.1 host, you may experience these symptoms:

The virtual machine appears to be in a hung state within the console view

The virtual machine stops responding to ping requests

The virtual machine is inaccessible via remote desktop

Cause

This issue may occur if you are using a backup application that utilizes Changed Block Tracking (CBT) and the ctkEnabled option for the virtual machine is set to true.

The virtual machine becomes unresponsive for up to 30 seconds as NFS locks on the .ctk file are changed.

Resolution

This issue is resolved in the patch release for ESX/ESXi 4.1. For more information, see :

ESX 4.1– VMware ESX 4.1, Patch Release ESX410-201104001 (1035110 )

ESXi 4.1 – VMware ESXi 4.1 Patch ESXi410-201104401-SG: Updates Firmware (1035108)

This issue is also resolved in ESX 4.1 Update 2. To download ESX/ESXi 4.1 Update 2, see the VMware Download Center.

Related Information

For more information, see:

The Changed Block Tracking on Virtual Disks section of Designing Backup Solutions for VMware vSphere

Virtual machine freezes temporarily during snapshot removal on an NFS datastore in an ESX/ESXi 4.1 host (2010953)

VMware ESXi 4.1 Patch ESXi410-201104401-SG: Updates Firmware
Virtual machines residing on NFS storage become unresponsive during a snapshot removal operation
ESX/ESXi 4.1 ホストの NFS データストアに存在するスナップショットの削除中に仮想マシンが一時的にフリーズする

Detectable by VMware SkylineTM

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Attachments

Additional Resources

KB
•
End Of General Availability of the Free vSphere Hypervisor (ESXi 7.x and 8.x) (2107518)

KB
•
Download and Install VMware Fusion (2014097)

KB
•
VMware vSphere 5.x の ESXi Network Dump Collector (1032051)

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VMware ESXi 4.1.x Installable

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