https://help.hcl-software.com/versionvault/3.0.0/oxy_ex-1/com.ibm.rational.clearcase.cc_ms_install.doc/topics/c_upgr_cc_linux_issues.html
Upgrade notes for VersionVault on Linux and UNIX
Before upgrading HCL VersionVault on a Linux or UNIX operating system, review system requirements and complete any required upgrade planning tasks.
upgrade noteson linuxversionvaultunix