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recovery of 2 disk, single snapshot system failed

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We had a host failure over the weekend which involved recovering from our copied systems. It has worked fine on vmware vms ( 6.7) with single disk but we have a system that had two disks which can not find the boot disk.

 

Our method of backup is to

  1. copy the vmx file
  2. take a snapshot
  3. copy the flat file vmdisks ( not the sesparse ones)
  4. remove the snapshot.

 

The reason for snapshotting is to get round the device busy problem of copying an active disk file.

 

The copied files look like this

perfweb-000001.vmdkperfweb.nvram    perfweb.vmsd     perfweb_5-000001.vmdk  perfweb_5.vmdk
perfweb-flat.vmdkperfweb.vmdk     perfweb.vmx      perfweb_5-flat.vmdk

vmware.log

 

grep vmdk *vmx

scsi0:0.fileName = "perfweb_5.vmdk"

scsi0:1.fileName = "perfweb.vmdk"

 

 

more perfweb.vmdk

# Disk DescriptorFile

version=1

encoding="UTF-8"

CID=dfa4ef68

parentCID=ffffffff

createType="vmfs"

 

# Extent description

RW 536870912 VMFS "perfweb-flat.vmdk"

 

# The Disk Data Base

#DDB

 

ddb.adapterType = "lsilogic"

ddb.deletable = "true"

ddb.geometry.cylinders = "33418"

ddb.geometry.heads = "255"

ddb.geometry.sectors = "63"

ddb.longContentID = "1bebe3a906b8671aad09f8aedfa4ef68"

ddb.thinProvisioned = "1"

ddb.uuid = "60 00 C2 99 98 c6 0d ed-ae de 52 30 eb fd 14 5d"

ddb.virtualHWVersion = "14"

 

The only error I can see on power on in vmware.log is

DISK: failed to create nomad vob context.

and more signicantly

No operating system was found.

 

Any pointers what to try next would be greatly appreciated


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