How to collect VDDK trace when diagnosing VMware backup or restore problems (4045829)

How to collect VDDK trace when diagnosing VMware backup or restore problems

Date: FEB 2011
Product & Version: VMware 2.0
OS Version: all

Symptoms:

When diagnosing VMware backups and restores we can obtain useful information from the VDDK trace that does not appear in the binary log or VMware plugin trace.

How to generate and collect the data follows:


1/ Edit .../netvault/config/vmware.cfg as follows:

[Custom:GenerateVddkLogsOnDisk]
Value=True

2/ To increase debug level we need to do the following:

Create file config.vddk  in .../netvault/config/  folder the file should contain the following

# log level 0 to 6 for quiet ranging to verbose

vixDiskLib.transport.LogLevel=6

# nfc.LogLevel (0 = Quiet, 1 = Error, 2 = Warning, 3 = Info, 4 = Debug)

vixDiskLib.nfc.LogLevel= 4

3/  Collecting the data:

On linux system the log file are created /tmp/vmware-root and the file name is vixDiskLib-xxxxx.log

On windows system the log files are found C:\WINDOWS\Temp\vmware-SYSTEM

4/ to stop trace / Edit .../netvault/config/vmware.cfg as follows:

[Custom:GenerateVddkLogsOnDisk]
Value=False

5/  Delete file config.vddk  in .../netvault/config/  folder