Why upgrade of RHEV 3.3 to 3.4 failed with error : No such file or directory: '/usr/share/ovirt-engine/conf/sysprep/sysprep.2k3' ?

Solution Unverified - Updated -

Environment

  • Red Hat Enterprise Virtualization 3.3 to 3.4 upgrade.

Issue

  • After executing engine-setup I receive an error : 
[ ERROR ] Failed to execute stage 'Misc configuration': [Errno 2] No such file or directory: '/usr/share/ovirt-engine/conf/sysprep/sysprep.2k3'

Resolution

  • Create a symlink as bellow in RHEVM 3.3:
#ln -sf /etc/ovirt-engine/sysprep /etc/ovirt-engine/gsysprep

Root Cause

  • This is a bug BZ#1066884, where actual file location path and values stored in DB mismatch which leads to error in upgrade procedure.
  • Upgrade tries to copy files from /etc/ovirt-engine/sysprep to /usr/share/ovirt-engine/conf/sysprep, but DB values contained are erroneous as sysprep is recorded as gsysprep and fails to copy from path /etc/ovirt-engine/gsysprep and hence fails to find sysprep files in /usr/share/ovirt-engine/conf/sysprep.

Diagnostic Steps

  • During engine-setup for upgrade, similar error logs are seen as bellow:
[ ERROR ] Failed to execute stage 'Misc configuration': [Errno 2] No such file or directory: '/usr/share/ovirt-engine/conf/sysprep/sysprep.2k3'
  • DB values for vdc_options:
engine=> SELECT * from vdc_options where option_name ilike '%SysPrep%Path';

option_id |        option_name          |                option_value          | version 
-----------+------------------------+--------------------------------------------------+-----
377         | SysPrepXPPath     | /etc/ovirt-engine/gsysprep/sysprep.xp        | general
366         | SysPrep2K3Path    | /etc/ovirt-engine/gsysprep/sysprep.2k3       | general
367         | SysPrep2K8Path    | /etc/ovirt-engine/gsysprep/sysprep.2k8x86    | general
369         | SysPrep2K8x64Path | /etc/ovirt-engine/gsysprep/sysprep.2k8       | general

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