If you are attempting to upgrade your software cluster and the upgrade is failing on "Extracting and Verifying Checksums" then you will need to rerun the upgrade package as root user.
clustrix001$ ./clustrix-clxnode-v5.2-10186-upgrade.sh install Checking for node clock sync... Done Verifying Payload MD5 Checksum... Done Pushing package to cluster... Done Extracting and Verifying Checksums on Upgrade... FAILURE Tar Extraction Failed on clustrix001 Fix and try again.