Module 4 - Lab 3: Host Management
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Objective(-s):
- Change the State of a Host with ID 0.
Change the State of a Host with ID 0.
4.3.1
From the Node 1’s Command Line execute the disable subcommand to Disable the Host with ID 0.
onehost disable 0
List the hosts.
onehost list
ID NAME CLUSTER TVM ALLOCATED_CPU ALLOCATED_MEM STAT
3 lab-2022-node3 default 0 0 / 200 (0%) 0K / 3.8G (0%) on
2 lab-2022-node2 default 0 0 / 200 (0%) 0K / 3.8G (0%) on
1 35.159.249.245 default 1 50 / 200 (25%) 512M / 3.8G (13%) on
0 18.153.100.94 default 0 0 / 200 (0%) 0K / 3.8G (0%) dsbl
4.3.2
Tail the log file and locate messages that are similar to the highlighted below.
Note that date/time in your output is going to be different.
tail -n10 /var/log/one/monitor.log
Thu Apr 16 09:24:11 2026 [Z0][HMM][I]: Successfully monitored VM: 0
Thu Apr 16 09:24:19 2026 [Z0][HMM][I]: Successfully monitored host: 1
Thu Apr 16 09:24:19 2026 [Z0][HMM][I]: Successfully monitored host: 0
Thu Apr 16 09:24:34 2026 [Z0][HMM][I]: Successfully monitored VM: 0
Thu Apr 16 09:24:34 2026 [Z0][HMM][I]: Successfully monitored host: 2
Thu Apr 16 09:24:41 2026 [Z0][HMM][I]: Successfully monitored VM: 0
Thu Apr 16 09:25:04 2026 [Z0][HMM][I]: Successfully monitored VM: 0
Thu Apr 16 09:25:05 2026 [Z0][HMM][D]: Updated Host 0, state DISABLED
Thu Apr 16 09:25:12 2026 [Z0][HMM][I]: Successfully monitored VM: 0
Thu Apr 16 09:25:18 2026 [Z0][HMM][I]: Successfully monitored host: 3