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lbcli List Events

Returns a list of events in the cluster, and information on each event.

Sample Command

lbcli -J $JWT list events

Sample Output

Event Name Time Type Component ID Severity Cause Event Volumes Info

NodeActive 2021-09-17 22:18:22.058 Node 9b51f816-4b69-5666-82c5-6edcc61dc32b Info NodeActive

NodeInactive 2021-09-17 22:17:19.605 Node 9b51f816-4b69-5666-82c5-6edcc61dc32b Medium NodeInactive

NodeInactive 2021-09-17 22:17:16.681 Node 9b51f816-4b69-5666-82c5-6edcc61dc32b Medium NodeInactive

NodeActive 2021-09-17 22:16:49.058 Node 9b51f816-4b69-5666-82c5-6edcc61dc32b Info NodeActive

NodeInactive 2021-09-17 22:16:06.188 Node 9b51f816-4b69-5666-82c5-6edcc61dc32b Medium NodeInactive

NodeActive 2021-09-17 22:13:54.011 Node 0bc9fa78-8643-5720-8751-109dda5f0608 Info NodeActive

NodeActive 2021-09-17 22:13:36.654 Node 65ac0eaa-4046-57d6-ab34-396ca61c43e3 Info NodeActive

NodeActive 2021-09-17 22:13:05.911 Node 9b51f816-4b69-5666-82c5-6edcc61dc32b Info NodeActive

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lbcli List Events Sample Command Sample Output

Lightbits Installation Guide

About the Installation Guide

Lightbits Cluster Overview

Lightbits Cluster Topology

Planning for the Lightbits Cluster Software Installation

Lightbits Cluster Architecture

Lightbits Cluster Software Installation Process

Installation Preparation

General System Requirements

Required Ports for Installation and Operation

Relevant Documents

Lightbits Cluster Software Installation

Before You Begin

Connecting to the Lightbits Software Repository

Verifying Network Connectivity

Configuring the Ansible Environment

Preparing the Installation Workstation (Ansible Controller)

Copying the Ansible Environment Tarball

Inventory Structure and Adding the Ansible Hosts File

Configuring Global Variables in Ansible

Verifying Hosts Connection

Host Server Configuration

Defining Failure Domains

Setting the Data SSD Configuration

Setting the Journal SSD Configuration

Confirming the Required Directory Structure

Running the Ansible Installation Playbook

Post-Installation Steps

Linux Client Software Installation

Connecting to the Cluster Client DEB Repository

Connecting to the Cluster Client RPM Repository

Installing the Latest Kernel on the Client

Configuring the Client to Boot from the New Kernel

Installing the Lightbits NVMe Command Line Interface

Installing the Lightbits NVMe Command Line Interface (Ubuntu)

Loading the NVMe/TCP Host Software and Enabling Multipath

Provisioning Storage and Connecting Clients

Creating a Volume on the Lightbits Storage Server

Connecting the Cluster Client to Lightbits

Confirming the Cluster Client Connection to Lightbits

Troubleshooting

Recovering from Cluster Installation Failure

Log Artifacts Collection

Fully Clean Lightbits From Servers or a Cluster

Lightbits Administration Guide

Lightbits Storage Solution Consumption Models

Lightbits Data Protection

Lightbits Cluster Overview

Lightbits Cluster Topology

Lightbits Cluster Architecture

NVMe/TCP MultiPath

Failure Domains

Dynamic Rebalancing

Lightbits Elastic Raid Implementation

Log Streaming (lbcli)

Log Streaming (REST API)

Common Administration Tasks

Creating a Volume

Connecting Application Servers to Lightbits

Reviewing the Lightbits Storage Cluster Connection Details

Verifying TCP/IP Connectivity

Connecting to the Lightbits Cluster

Reviewing Block Device Details on the Application Server

Understanding a Volume Location in the Lightbits Cluster

Adding an NVMe SSD to a Lightbits Storage Server

Identifying Unused Slots

Snapshots and Clones

Volume Placement

Identifying a Failed SSD Drive

Identifying a Node Failure in a Lightbits Cluster

Multi-Tenancy CLI

IP ACL Configuration

Adding a New Server

Quality of Service (QoS)

QoS IOPS Limiting - Pure IOPS

Volume Shrinking and Expansion

Discovery-client Deployment and Usage

Discovery-client - Container Deployment

Enabling the Evict Data Feature

Disabling and Evicting a Server

Monitoring the Eviction

Canceling an Evict Process

Cluster-Level Encryption

Enabling Cluster-Level Encryption

Cluster-Level Encryption: Hybrid Mode

Data Encryption Key (DEK) Retention Time

Rotating the Cluster Root Encryption Key

Exporting the KEK

Federated Authentication (ADFS)

Configuring the Authentication Feature

Federated Authentication with Okta

NVMe/TCP In-Band Authentication

Lightbits TRIM Support

JWT Access Permissions

Auxiliary Subsystems

Lightbits Rebuild/Rebalance Throttling

Lightbits CLI Overview

lbcli Add NVMe Device

lbcli Upgrade Server/Cluster

lbcli Create Server

lbcli Create Volume

lbcli Replace Node

lbcli Delete Volume

lbcli Get Cluster

lbcli Get Volume

lbcli List Events

lbcli List Nodes

lbcli List NVMe Devices

lbcli List Volumes

Lightbits REST API Overview

REST Get Cluster

REST Get Events

REST Get Volumes

REST Create Volume

REST Delete Volume

REST Get NVMe Devices

NVME CLI Overview

NVMe Connect Command

NVMe Connect-all Command

NVMe Discover Command

Getting the Application Client's "HostNQN"

Lightbits System Health Monitoring

Operational Best Practices and Maintenance

Lightbits Cluster Deployment

Lightbits Server Maintenance and Handling

Storage Provisioning Recommendations

Removing a Server from a Cluster

Lightbits Memory Utilization and Linux Memory Management on x86 Servers

Node Instance Restart

Limitations and Boundaries

Lightbits Volume/Node SLA

Log Artifacts Collection

Lightbits Troubleshooting Guide

Lightbits Services List

System Health Checklist

Control Disk Usage on the Disk Used by Lightbits Servers

lbcli Command Returns an Error

Discovery-client Command Failed

Node is Inactive

Kubernetes Troubleshooting

SSD Device Shows 0 Bytes

Faulty SSD Device

Tweaking Default Configurations