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Deploying or Cloning to a SAN with SCSI Reservations May Crash the VirtualCenter Host Agent (1388)

Details

Why did my attempt to deploy a template or clone to a SAN fail?

Solution


Deploying a template or cloning a virtual machine may fail due to SCSI reservation conflicts on the LUN.

If this crash occurs, verify its cause by checking for the following:

  • This entry exists in the ESX Server log file:
    "VMServerd Panic: NOT_REACHED F(4300):1118 bugNr=24092"
  • There a large number of hosts connected to a LUN.

To resolve the problem, add the following line to the host configuration file:
$ echo n> /proc/vmware/config/Scsi/ConflictRetries

This tells the VirtualCenter to retry n more times. The recommended value for n is 10.

The ESX Server log files can be found at:
/var/log/vmware/vmware-ccagent-n.log

The value for n increments after the first log, from 0 to 9. The most recent log is the one without a dash number.

To correct this upgrade to VirtualCenter 1.2 or later.

Keywords

46910; 1388; virtual; center

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