Please read the following upgrade issues before you being the upgrade process.
symlinks do not work in CDSW 1.9.x and CDSW 1.10.x
"If /var/lib/cdsw is a symlink to another location, CDSW might fail
to start. If this occurs, you will see various errors in the ds-vfs
pod about MountVolume.Setup fail, or
No Such Project"
errors: mount.nfs: mounting 192.168.225.133:/var/lib/cdsw/current/projects failed,
reason given by server: No such file or directory.
Avoid using a symlink for /var/lib/cdsw.
Cloudera Bug: DSE-22863
Known spark-port-forwarder issue with upgrade to CDSW 1.10.3 on HDP
When upgrading to CDSW on HDP to 1.10.3, you must add the following extra lines in /etc/cdsw/config/cdsw.conf:
If you do not include these extra lines, the
fail and CDSW will not restart.
Upgrades supported from CDSW 1.8.x (and higher) to CDSW 1.10.x
CDSW 1.10.x Cloudera Data Science Workbench only supports upgrades from version 1.9.x and 1.8.x. If you are using an earlier version, you must first upgrade to version 1.8.x or 1.9.x, and then upgrade to version 1.10.x.