I try to start a new session to run any engine kernel, Python or Scala or R. There is a an error "target is not defined". i have run "cdsw validate" and there is no error. What target has not been defined and cause the error? ... View more

After running command cdsw init, the following screen is printed out. Docker cannot be started. Is there any way to check up the problem? What cause docker cannot be started up?   Creating docker thinpool if it does not exist --- Logical volume --- LV Name thinpool VG Name docker LV UUID pJd0MH-JXC7-tNmY-1vR6-nwDd-nF3c-l1j8Fs LV Write Access read/write LV Creation host, time localhost.localdomain, 2017-06-08 01:38:17 -0700 LV Pool metadata thinpool_tmeta LV Pool data thinpool_tdata LV Status available # open 0 LV Size 95.00 GiB Allocated pool data 0.00% Allocated metadata 0.01% Current LE 24319 Segments 1 Allocation inherit Read ahead sectors auto - currently set to 8192 Block device 253:2 Docker thinpool already configured. Initialize application storage at /var/lib/cdsw Disabling node with IP [192.168.37.129]... Node [192.168.37.129] removed from nfs export list successfully. Stopping rpc-statd... Stopping nfs-idmapd... Stopping rpcbind... Stopping nfs-server... Removing entry from /etc/fstab... Unmounting [/dev/sdc]... Skipping format since volumes are already set correctly. Adding entry to /etc/fstab... Mounting [/var/lib/cdsw]... Starting rpc-statd... Enabling rpc-statd... Starting nfs-idmapd... Enabling nfs-idmapd... Starting rpcbind... Enabling rpcbind... Starting nfs-server... Enabling nfs-server... Enabling node with IP [192.168.37.129]... Node [192.168.37.129] added to nfs export list successfully. Starting rpc-statd... Enabling rpc-statd... Starting nfs-idmapd... Enabling nfs-idmapd... Starting rpcbind... Enabling rpcbind... Starting nfs-server... Enabling nfs-server... Starting docker... ... View more

I encounter the following error during running the command "cdsw init". The reason is "The combined size of the Docker block devices is too small".    [root@localhost config]# cdsw init Using user-specified config file: /etc/cdsw/config/cdsw.conf Prechecking OS Version........[OK] Prechecking scaling limits for processes........[OK] Prechecking scaling limits for open files........[OK] Prechecking that iptables are not configured........ WARNING: Cloudera Data Science Workbench requires iptables, but does not support preexisting iptables rules. Press enter to continue Prechecking that SELinux is disabled........[OK] Prechecking configured block devices and mountpoints........[OK] Prechecking kernel parameters........[OK] Prechecking that docker block devices are of adequate size........ ERROR:: The combined size of the Docker block devices is too small: 1 ERROR:: Pre-install validation failed: 1   According to the comment in /etc/cdsw/config/cdsw.conf, the min size of docker block devices is 500GB. Is it a must? I just wanna to test out the feature of cdsw. Can I have mount point with less than 500GB?    # Block device(s) for Docker images (space separated if multiple). # # These block devices cannot be partitions and should be at least 500GB. SSDs # are strongly recommended. ... View more