Date: NOV 2010
Product & Version: Netvault 8.5.*
OS Version: VMware ESX all versions
Module & Version: VMware 2.0
Application version:
Symptoms:
Upgraded ESX server VMware plugin to 2.0 and all backups fail with the plugin crashing leaving dump files in the …/netvault/dump directory.
Extract from binary log:
Job Message 2010/11/15 14:31:19 67 Data Plugin S42 Guest within VM 'S19' uuid '502e6e55-7b3c-307c-25db-0795d28fdae7' will not be quiesced
Job Message 2010/11/15 14:31:19 67 Data Plugin S42 Proceeding to snapshot the VM
Information 2010/11/15 14:31:34 67 Data Plugin S42 Retrieved VM configuration data successfully
Information 2010/11/15 14:31:34 67 Data Plugin S42 Retrieved information about VM files successfully
Information 2010/11/15 14:31:35 67 Data Plugin S42 Retrieved VM inventory data successfully
Job Message 2010/11/15 14:31:35 67 Data Plugin S42 Backing up VM configuration summary to media
Job Message 2010/11/15 14:31:35 67 Data Plugin S42 Backing up .vmx file to media
Job Message 2010/11/15 14:31:35 67 Data Plugin S42 Backing up nvram file to media
Job Message 2010/11/15 14:31:35 67 Data Plugin S42 Backing up log files to media
Job Message 2010/11/15 14:31:36 67 Data Plugin S42 Backing up data of VM disk '[VMVOL50] S19/S13_1-000001.vmdk' to media
Error 2010/11/15 14:31:36 67 Media S29 S29 SL_HU1018A5MA (TANDBERG LTO-5 HH): had channel error
From binary subtext:
DEVMGR 118 0 143115 Segment warning size 52428800
DEVMGR 572 0 143115 Reestimate percentage = 75
DEVMGR 121 0 143115 Set Restimate Threshhold set to 627712688128
DEVMGR 123 0 143115 Space Remaining (END)
NET 93 0 143136 Connection down
MEDWRITE 190 1 143136 Device write data in: FAILURE
From client Vmware plugin trace:
2VMWBCKUP245261330143135414497Fetch from server and backup file '[VMVOL50] S19/vmware.log'
2VMWBCKUP24
Install the plugin on Netvault server or Client, best practice would be to install the VMware plugin on the Netvault server or client that has the tape library, VTL or SmartDisk you intend to backup the data to.
Note: When you install the VMware plugin on the either Netvault server or Client the licence will have to be transferred to the client or netvault server. The license will only support backing up 1 ESX server if multiple ESX servers were being backed up with the plugin installed locally and you want to backup all the ESX server through the netvault server or one specific client a licence upgrade to VMware enterprise will be required.
The only way around this is to install the plugin 3 times on clients/NVserver and backup a 1 ESX server on each client/NetVault server. This way we can transfer the existing licenses to the client/NetVault server. This will cost nothing and the license department would only require machine ID of the clients/NetVault server to transfer the licenses.
Explanation:
Bakbone was forced into this change because VMware plugin 2.0 uses a new protocol to backup the Virtual system, called VADP and it is not supported by VMware with the plugin local installed on ESX server. VADP is VMware’s latest data protection protocol and has to be used when backing up VMware images.
Prepared by: Richard Downes
