>>We had a situation yesterday where 2 VE backups were causing the VM's to go 
>>unresponsive.  No response to ping, unable to RDP, etc.  As soon as the 
>>backup finished (or was killed in one case), the servers picked back up where 
>>they left off.  They never rebooted, but you can actually see in the Windows 
>>event logs a gap where no activity happens.  Has anyone seen this behavior 
>>before?  VE is at 7.1.1.1, the Hosts are ESXi 5.0 U2, vCenter is 5.5, windows 
>>2008R2.





ooo!

Haven't seen that one before.



My basic VE debugging steps when a VM won't back up (all from the VM side):



*        check from VCenter that there are no outstanding VM snapshots for 
those VM's (trigged by TSM or otherwise)

*        check from VCenter that there is no current performance alert for 
those VM's

*        check from Vcenter that vmtools are up to date (it tells you if they 
aren't)

*        do a VMware snap from VCenter (If VM can't snap it, nobody can).



If you can't get this far, it's a VMware problem..



Wanda Prather
TSM Consultant
ICF International Enterprise and Cybersecurity Systems Division