Hi,

 I am running 4.2 engine in a standalone libvirt KVM VM (running on a hypervisor that is not part of the oVirt infrastructure); i.e., I am not using hosted engine but still running engine in a VM.

Now 4.3 won't upgrade inside this libvirt KVM VM:

Failed to execute stage 'Setup validation': Cannot upgrade the Engine due to low custom_compatibility_version for virtual
 machines: ['agent03']. Please edit this virtual machines, in edit VM dialog go to System->Advanced Parameters -> Custom Compatibility Version and either reset to empty (cluster default) or set a value supported by the new installation: 4.1, 4.2, 4.3.

engine-setup has probably detected that it is running inside a VM:

1. Where did it get 'agent03' string from

2. Any suggestions how to fool engine-setup to think this is 4.3

Here is the dmidecode of the standalone engine VM:

# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 2.8 present.
11 structures occupying 591 bytes.
Table at 0xBFED7000.

Handle 0x0100, DMI type 1, 27 bytes
System Information
Manufacturer: Red Hat
Product Name: KVM
Version: RHEL 7.3.0 PC (i440FX + PIIX, 1996)
Serial Number: Not Specified
UUID: cdb0f3fd-42c7-4a16-bcd1-5d65f19aca19
Wake-up Type: Power Switch
SKU Number: Not Specified
Family: Red Hat Enterprise Linux

Handle 0x0300, DMI type 3, 21 bytes
Chassis Information
Manufacturer: Red Hat
Type: Other
Lock: Not Present
Version: RHEL 7.3.0 PC (i440FX + PIIX, 1996)
Serial Number: Not Specified
Asset Tag: Not Specified
Boot-up State: Safe
Power Supply State: Safe
Thermal State: Safe
Security Status: Unknown
OEM Information: 0x00000000
Height: Unspecified
Number Of Power Cords: Unspecified
Contained Elements: 0

Handle 0x0400, DMI type 4, 42 bytes
Processor Information
Socket Designation: CPU 0
Type: Central Processor
Family: Other
Manufacturer: Red Hat
ID: C1 06 03 00 FF FB 8B 07
Version: RHEL 7.3.0 PC (i440FX + PIIX, 1996)
Voltage: Unknown
External Clock: Unknown
Max Speed: 2000 MHz
Current Speed: 2000 MHz
Status: Populated, Enabled
Upgrade: Other
L1 Cache Handle: Not Provided
L2 Cache Handle: Not Provided
L3 Cache Handle: Not Provided
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Core Count: 1
Core Enabled: 1
Thread Count: 1
Characteristics: None

Handle 0x0401, DMI type 4, 42 bytes
Processor Information
Socket Designation: CPU 1
Type: Central Processor
Family: Other
Manufacturer: Red Hat
ID: C1 06 03 00 FF FB 8B 07
Version: RHEL 7.3.0 PC (i440FX + PIIX, 1996)
Voltage: Unknown
External Clock: Unknown
Max Speed: 2000 MHz
Current Speed: 2000 MHz
Status: Populated, Enabled
Upgrade: Other
L1 Cache Handle: Not Provided
L2 Cache Handle: Not Provided
L3 Cache Handle: Not Provided
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Core Count: 1
Core Enabled: 1
Thread Count: 1
Characteristics: None

Handle 0x1000, DMI type 16, 23 bytes
Physical Memory Array
Location: Other
Use: System Memory
Error Correction Type: Multi-bit ECC
Maximum Capacity: 8 GB
Error Information Handle: Not Provided
Number Of Devices: 1

Handle 0x1100, DMI type 17, 40 bytes
Memory Device
Array Handle: 0x1000
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: 8192 MB
Form Factor: DIMM
Set: None
Locator: DIMM 0
Bank Locator: Not Specified
Type: RAM
Type Detail: Other
Speed: Unknown
Manufacturer: Red Hat
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Rank: Unknown
Configured Clock Speed: Unknown
Minimum Voltage: Unknown
Maximum Voltage: Unknown
Configured Voltage: Unknown

Handle 0x1300, DMI type 19, 31 bytes
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x000BFFFFFFF
Range Size: 3 GB
Physical Array Handle: 0x1000
Partition Width: 1

Handle 0x1301, DMI type 19, 31 bytes
Memory Array Mapped Address
Starting Address: 0x00100000000
Ending Address: 0x0023FFFFFFF
Range Size: 5 GB
Physical Array Handle: 0x1000
Partition Width: 1

Handle 0x2000, DMI type 32, 11 bytes
System Boot Information
Status: No errors detected

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
Vendor: EFI Development Kit II / OVMF
Version: 0.0.0
Release Date: 02/06/2015
Address: 0xE8000
Runtime Size: 96 kB
ROM Size: 64 kB
Characteristics:
BIOS characteristics not supported
Targeted content distribution is supported
UEFI is supported
System is a virtual machine
BIOS Revision: 0.0

Handle 0xFEFF, DMI type 127, 4 bytes
End Of Table

Cheers

--

Richard Chan

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