[ADSM-L] VM Incremental backups causing the proxy server to re-boot

Hi all,


We have 2 proxy vm servers

Proxy 1 - Windows 2003 standard R2 SP2  using  Tivoli client  level 6.2.3 
(which was upgraded from 6.2.2.0 in which we were having the same issue)
During the  nightly incremental VM backups are causing the server to reboot 
(this started happening recently)

This is only happening during the Incremental VM backups (both manual and 
scheduled) strangely on the  Full VM backups


I have pasted  errors we found in the dsmerror.log  as I am not sure whats 
causing this issue

04/14/2011 09:59:14 ANS0361I DIAG: Block header invalid, possible memory 
overwrite. Addr 0B34E26C, File psmech.cpp, Line 3269
04/14/2011 09:59:16 ANS0361I DIAG: Block header invalid, possible memory 
overwrite. Addr 0B3FE174, File psmech.cpp, Line 3269
04/14/2011 10:17:00 ANS5250E An unexpected error was encountered.

04/15/2011 09:38:17 ANS9369W WARNING: VMware VirtualCenter or ESX Server User 
Password for VMC Host <10.0.164.200> VMC Userid <vcbuser> set in options file.
04/15/2011 09:38:17 ANS9370W WARNING: Use Preference Editor or dsmc SET 
PASSWORD -type=VCB 'VirtualCenter hostname' 'userid' 'password' to save 
encrypted password.
04/17/2011 02:19:38 ANS0361I DIAG: Block header invalid, possible memory 
overwrite. Addr 0B549DAC, File psmech.cpp, Line 3269
04/17/2011 02:19:39 ANS0361I DIAG: Block header invalid, possible memory 
overwrite. Addr 0B59E9CC, File psmech.cpp, Line 3269
04/17/2011 02:37:22 ANS5250E An unexpected error was encountered.

04/18/2011 00:53:29 ANS0361I DIAG: Block header invalid, possible memory 
overwrite. Addr 0B231214, File psmech.cpp, Line 3269
04/18/2011 00:53:30 ANS0361I DIAG: Block header invalid, possible memory 
overwrite. Addr 0B302CEC, File psmech.cpp, Line 3269
04/18/2011 01:14:16 ANS5250E An unexpected error was encountered.
   04/18/2011 05:23:40 ANS5250E An unexpected error was encountered.
   TSM function name : psdiSignalDaemon
   TSM function      : Unable to open Acknowledgement Mailslot 
'\\.\mailslot\client', dwRC = '2'.
   TSM return code   : -1
   TSM file          : psutagnt.cpp (208)
04/18/2011 05:47:19 ANS5250E An unexpected error was encountered.
   TSM function name : psdiSignalDaemon
   TSM function      : Unable to open Acknowledgement Mailslot 
'\\.\mailslot\client', dwRC = '2'.
   TSM return code   : -1
   TSM file          : psutagnt.cpp (208)
04/18/2011 06:05:03 ANS9365E VMware vStorage API error.
   TSM function name : visdkWaitForTask
   TSM file          : vmvisdk.cpp (2928)
   API return code   : 78
   API error message : Unable to access file <unspecified filename> since it is 
locked
04/18/2011 06:05:03 ANS9365E VMware vStorage API error.
   TSM function name : visdkWaitForTask
   TSM file          : vmvisdk.cpp (2933)
   API return code   : 78
   API error message : Unable to access file <unspecified filename> since it is 
locked
04/18/2011 06:05:03 ANS1719E VMware vStorage remove snapshot failed.
04/18/2011 06:05:03 ANS5250E An unexpected error was encountered.
   TSM function name : vmVddkStartOffloadMount
   TSM function      : snapMoRefP is null
   TSM return code   : 115
   TSM file          : vmbackvddk.cpp (1616)
04/18/2011 06:05:03 ANS4151E Failure mounting Virtual Machine 'sip121'. RC=115

04/18/2011 06:05:03 ANS4150E Incremental backup of Virtual Machine 'sip121' 
failed with RC 115

04/18/2011 06:07:59 ANS5250E An unexpected error was encountered.
   TSM function name : psdiSignalDaemon
   TSM function      : Unable to open Acknowledgement Mailslot 
'\\.\mailslot\client', dwRC = '2'.
   TSM return code   : -1
   TSM file          : psutagnt.cpp (208)
04/18/2011 06:31:37 ANS5250E An unexpected error was encountered.
   TSM function name : psdiSignalDaemon
   TSM function      : Unable to open Acknowledgement Mailslot 
'\\.\mailslot\client', dwRC = '2'.
   TSM return code   : -1
   TSM file          : psutagnt.cpp (208)


F.Y.I-  We don't have this issue with the other Windows 2003 proxy that is 
backing up VM's  using the same client 6.2.3


Is anyone familiar with this issue?

Thanks in advance for any help!