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ftPerl consumes 100% CPU after enabling VMware High Availability

Symptoms

  • After enabling VMware High Availability (HA), the output of the top command on that ESX host shows that ftPerl is consuming up to 100% of CPU resources
  • This issue may occur at indeterminate intervals after:
    • Starting an ESX host
    • Reconfiguring VMware HA
    • Exiting from Maintenance Mode
    • Any other action which causes VMware HA to be configured

  • This issue may cause:
    • VMware Consolidated Backup (VCB) operations to take longer than usual

      Note: For example, an operation that normally takes 2 hours may take up to 8 hours.
    • VMotion failure
    • Slow performance on the ESX host that contains the virtual machines suffering from slow backups

Resolution

This issue has been resolved in VirtualCenter 2.5 Update 5 and vCenter Server 4.0, which are available from the VMware Download Center.
 
If you cannot upgrade to VirtualCenter 2.5 Update 5 and vCenter Server 4.0, a workaround is to perform a reconfiguration of VMware HA to restart the ftPerl, which returns it to a normal resource consumption rate. It is possible that after performing this workaround, ftPerl will consume an abnormal amount of resources again in the future. For more information, see Recreating a VMware High Availability Cluster (1003715).

Additional Information

For related information, see:

This Article Replaces

1010948

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Actions
  • KB Article: 1012871
  • Updated: Sep 3, 2009
  • Products:
    VMware VirtualCenter
  • Product Versions:
    VMware VirtualCenter 2.5.x