Top 10 Nutanix Useful Commands

Nutanix cluster AHV / CVM top 10 commands to check the Nutanix Acropolis Nodes host ip, host id, performance, token ring in the cluster, Nutanix nodes / host detailed information, Remove all existing snapshots on the host, Get the master / Leader Node of the Nutanix cluster, AOS release type LTS or STS etc. Lets explore the Nutanix top commands list is here.

1. Check Nutanix host’s Hostid

To check the Nutanix host id need to run following command on any Nutanix CVM on the cluster.

cvm$ hostid

Read also: Google Nutanix Cloud Platform – GNCP Vs GCP ?

2. Get all Host’s IP Address of the Nutanix cluster

To check the Nutanix all host’s IP Address of the Nutanix cluster to run following command on the cluster.

cvm$ hostips

Read also: Nutanix AHV – Boot VM in BIOS UEFI Mode

3. Get the host upgrading status

If you are upgrading the host’s hypervisor i.e Nutanix AHV, VMware ESXi or Hyper-v and want to check the status of upgrade with detailed information.

Please run following command on any Nutanix CVM on the cluster

cvm$ host_upgrade_status

Read also: What is Nutanix Webhook Explained

4. Get Nutanix cluster token ring

You can check the Nutanix cluster’s ring status and how many nodes are the part of the Nutanix ring.

just need to run follwing command on any Nutanix CVM on the cluster

cvm$ nodetool -h 0 ring

Read also: Nutanix Prism Supports Top 5 Web Browsers

5. Get Nutanix nodes / host detailed information

You can get the nodes / hosts detailed information like uptime, load, gossip protocol is active or not.

Just run following command on any Nutanix CVM on the Nutanix cluster

cvm$ nodetool -h 0 info

Output will be like this:

nutanix@NTNX-1xxxxxxx-A-CVM:10.0.0.19:~$ nodetool -h 0 info
Node doesn't have token yet
Gossip active : true
Load : 1.93 GB
Generation No : 70
Uptime (seconds) : 856
Schema version : 0
Heap Memory (MB) : 2139.46 / 2969.63
nutanix@NTNX-xxxxxxxxxx-A-CVM:10.0.0.19:~$

Read also: Nutanix Prism Central : Pro Vs Starter Features

6. Remove all existing snapshots on the host

If you taken the lots of the snapshot of the VMs and want to remove it without any hassle. Just run following command on any Nutanix CVM.

cvm$ nodetool -h 0 clearsnapshot

Read also: Nutanix Inefficient VM : Bully, Zombie, Constrained, Over-provisioned VM’s Trouble-shooting

7. Get the master / Leader Node of the Nutanix cluster

You can who is the Master / Leader nodes of the Nutanix cluster

Just run following command on any Nutanix CVM to Print information on the token ring and the leader nodes:

cvm$ nodetool -h 0 leadership

Output will be like this:

nutanix@NTNX-1xxxxxxxxxxx-A-CVM:10.0.0.19:~$ nodetool -h 0 leadership
Address Status State Load Owns Token Leader LocalReadOnlyReadMode
kV000000PpOWNeHGQLDlIqkk95hXgLmf8BkKmyUW55u8P96f4WPHTWAqWr2j
10.0.0.22 Up Normal 2.05 GB 25.00% 00000000UBFOruvx0EpIcP05UkXSvslgjKACiBg2KGawOkQHxEFKlrUhfPcJ 10.0.0.22 N
10.0.0.19 Up Normal 1.93 GB 25.00% FV000000ir0WtqKAq8rLa8XtRVb4yOx1OzkvLgpa4CZenLmcBHsrmVsRmGby 10.0.0.19 Y
10.0.0.21 Up Normal 1.38 GB 50.00% kV000000PpOWNeHGQLDlIqkk95hXgLmf8BkKmyUW55u8P96f4WPHTWAqWr2j 10.0.0.21 N
nutanix@NTNX-1xxxxxxxxxxx-A-CVM:10.0.0.19:~$

Read also: Change Nutanix Prism Element and Prism Central Password

8. Get performance stats for Cassandra

Nutanix cluster maintain the Cassandra database to maintain the Nutanix metadata of the VMs data.

cvm$ nodetool -h 0 perfstats

Output will be like this:

nutanix@NTNX-1xxxxxxxx-A-CVM:10.0.0.19:~$ nodetool -h 0 perfstats
Perf Stats
ProtoToThriftRpcReadLatencyMicros 831.100
ProtoToThriftRpcWriteLatencyMicros 612.000
ProtoToThriftRpcRangeScanLatencyMicros NaN
ReadLatencyAtPaxosLeaderReaderMicros 135.471
ScanLatencyAtPaxosRangeScannerMicros 0.000
WriteLatencyAtPaxosLeaderWriterMicros NaN
WriteLatencyAtReplicaWriteOpMicros NaN
OutstandingReqsAtPaxosLeaderReader 0
OutstandingReqsAtPaxosRangeScanner 0
OutstandingReqsAtPaxosLeaderWriter 0
OutstandingReqsAtPaxosReplicaWriteOp 0
OutstandingReqsFromReadsAtPaxosLeaderWriter 0
Commitlog Sync Latency Stats
/home/nutanix/data/stargate-storage/disks/BTHC528102N9800NGN/metadata/cassandra/commitlog NaN
/home/nutanix/data/stargate-storage/disks/BTHC520103KV800NGN/metadata/cassandra/commitlog 150.000
nutanix@NTNX-1xxxxxxxxx-A-CVM:10.0.0.19:~$

Read aslo: What is Nutanix Prism ?

9. Nutanix AOS Upgrade History

You can also view the upgrade.history file. LTS is shown for LTS releases. For STS releases, just the version string is displayed.

Run following command through any CVM on the cluster

nutanix@cvm$ cat /home/nutanix/config/upgrade.history

10. Determine Nutanix AOS release type LTS or STS

o determine your cluster’s current release type (LTS or STS) from the nCLI command line.

• Is LTS: true indicates an LTS release.
• Is LTS: false indicates an STS release.

cvm$ ncli --version

Output would be like this:

cvm$ ncli --version
            ncli Version : euphrates-X.xx-stable
            Changeset ID : 81dd3b
            Changeset Date : 2019-08-06 10:12:52 -0700
            Is LTS : true

Read also: What is Nutanix Degraded Node forwarding state

I hope, you enjoyed the Nutanix cluster AHV / CVM top 10 commands.

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