VMDK file unreadable after migration of VM & update of the ESX Server

Last night we have updated the ESX servers here and in the migration process machines from one node to the other (by placing a single node of the cluster in maintenance mode). During this migration, the VMs one has stopped running. When we finished the migration and had updated the ESX Server, we brought the system to the top and tried to start this virtual machine.

First, we looked in the directory of the virtual machine and saw that the VMDK file has a different name, with - dish at the end (before hard). We have renamed the file, removing the - flat extension, and this is where we saw these messages. ESX Server always gbehaved as if the file did not exist or was unreadable. Here is an extract from the log:

14:40:08.232 27 Feb: vmx | KHZEstimate 2931923

14:40:08.232 27 Feb: vmx | 2932 MHZEstimate

14:40:08.232 27 Feb: vmx | NumVCPUs 1

14:40:08.247 27 Feb: vmx | UUID: location-UUID is 56 4 d d4 6 to 87 30 4 c 0 b - 74 63 41 09 76 a7 1A f8

14:40:08.247 27 Feb: vmx | WORKER: Create a new group with numThreads = 2 (2)

14:40:08.337 27 Feb: vmx | Mainmem mapped as pageable

14:40:08.361 27 Feb: vmx | MStat: Creation vm.uptime Stat

14:40:08.361 27 Feb: vmx | MStat: Creation vm.suspendTime Stat

14:40:08.361 27 Feb: vmx | MStat: Creation vm.powerOnTimeStamp Stat

14:40:08.369 27 Feb: vmx | VMXVmdb_LoadRawConfig: Loading of raw configuration

14:40:08.376 27 Feb: vmx | Cannot find the file cognos4dios.zurich.ibm.com.vmdk

14:40:08.378 27 Feb: vmx | Cannot find the file cognos4dios.zurich.ibm.com.vmdk

14:40:08.378 27 Feb: vmx | DISC: Scsi0:0 OPEN 'cognos4dios.zurich.ibm.com.vmdk' R [(null) persistent]

14:40:08.380 27 Feb: vmx | Cannot find the file cognos4dios.zurich.ibm.com.vmdk

14:40:08.382 27 Feb: vmx | DISKLIB-LINK: 'cognos4dios.zurich.ibm.com.vmdk': cannot open (the system cannot find the specified file).

14:40:08.382 27 Feb: vmx | DISKLIB-STRING: 'cognos4dios.zurich.ibm.com.vmdk': cannot open (the system cannot find the specified file).

14:40:08.382 27 Feb: vmx | DISKLIB-LIB: cannot open "cognos4dios.zurich.ibm.com.vmdk" with flags 0xa (the system cannot find the specified file).

14:40:08.382 27 Feb: vmx | Msg_Post: error

14:40:08.382 27 Feb: vmx | http://Msg.disk.FileNotFound VMware ESX Server cannot find the virtual disk 'cognos4dios.zurich.ibm.com.vmdk '. Please check that the path is valid and try again.

14:40:08.382 27 Feb: vmx | http://Msg.disk.noBackEnd can't open the Flash 'cognos4dios.zurich.ibm.com.vmdk' or one of the disks disk that it depends on.

14:40:08.382 27 Feb: vmx | http://Msg.disk.configureDiskError reason: the system cannot find the specified file. -.


14:40:08.399 27 Feb: vmx | Power DiskEarly module has failed.

14:40:08.399 27 Feb: vmx | VMX_PowerOn: ModuleTable_PowerOn = 0

14:40:08.401 27 Feb: vmx | WORKER: asyncOps = 0 maxActiveOps = 0 maxPending = 0 maxCompleted = 0

14:40:08.752 27 Feb: vmx | vmdbPipe_Streams could not read: OVL_STATUS_EOF

14:40:08.752 27 Feb: vmx | Output of idle VMX

14:40:08.764 27 Feb: vmx | VMX VMDB Flushing connections

14:40:08.771 27 Feb: vmx | IPC_exit: disconnect all discussions

14:40:08.771 27 Feb: vmx | Exit VMX (0).

14:40:08.772 27 Feb: vmx | VMX has left the building: 0.

The VMDK file is indeed the most, but VMware seems unable to open it. For what it's worth, it was also noted a .hlog file in the directory of the virtual machine on the server:

cognos4dios. Zurich.IBM.com - 3 c 377802 .hlog:

C2 C0 71 17 14 6 b6 01-49 fb 00 1 a 64 35 20 e9

Anyone can shed some light on this? Done-flat suffix in the VMDK file have a special meaning? Any recommendations for the rescue of this virtual machine?

Thank you very much in advance.

Kind regards

Michael L.

-Flat.vmdk file is your data file where all of your actual data has been stored. Name back to the original value.

It seems that you have lost the descriptor file (vmname.vmdk). If you have not an extraction backup the following procedures to re-create this file

http://www.aMIKKELSEN.com/?p=93

http://communities.VMware.com/thread/115063

Tags: VMware

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