Created attachment 529230 [details]
ovirt.log

Description of problem:
Failed to partition if there is existed HostVG on another disk

Version-Release number of selected component (if applicable):
rhev-hypervisor-5.8-20111019.0.el5

How reproducible:
100%

Steps to Reproduce:
1. Insert USB to machine.
2. Install RHEV-H to local disk first time and reboot.
3. Boot from PXE, enter firstboot menu, don't uninstall the existing hypervisor. 
4. Install RHEV-H to usb, Do you want to remove HostVG from /dev/hda? choose "Y".

  
Actual results:
Failed to partition if there is existed HostVG on another disk.

Expected results:
Partition can successful if there is existed HostVG on another disk.

Additional info:
ovirt.log
===============================================
Model: SanDisk Cruzer Blade (scsi)
Disk /dev/sda: 4013MB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number  Start   End     Size    Type     File system  Flags
 1      0.51kB  52.0MB  52.0MB  primary  ext2         boot 
 2      52.0MB  4012MB  3960MB  primary               lvm  

Oct 20 10:10:55 Creating physical volume Creating physical volume
1+0 records in
1+0 records out
1048576 bytes (1.0 MB) copied, 0.438552 seconds, 2.4 MB/s
  Writing physical volume data to disk "/dev/sda2"
  Physical volume "/dev/sda2" successfully created
Oct 20 10:10:56 Creating volume group Creating volume group
  A volume group called HostVG already exists.

ERROR: Configure storage partitions FAILED. See /var/log/ovirt.log