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3.16.x
Lightbits Installation Guide
Introduction
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
Multi-Tenancy
Configuring Global Variables in Ansible
Host Server Configuration
Defining Failure Domains
Setting the SSD Configuration
Confirming the Required Directory Structure
Verifying Hosts Connection
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
Appendixes
Installation Best Practices
Host Configuration File Variables
Host Configuration File Examples
Performing an Offline Installation
Configuring the Data Network
etcd Partitioning
Using SSH-Key Authentication
Automated Client Connectivity Verification
Provisioning Grafana and Prometheus
Configuring SMTP Alerts with Prometheus
Using Grafana and Prometheus
Open TCP Ports and Verify
Installation Behind HTTP-Proxy
Single-IP-Dual-NUMA Configuration
Adding a JWT Token To a Configuration File
Incompatible Client Kernel Versions
Recommended ACL Ports and Protocols
Photon Installation
Deploying Lightbits CLI on a Non-Lightbits Server
About - Legal
Lightbits Administration Guide
Introduction
Lightbits Storage Solution Consumption Models
Lightbits Data Protection
Lightbits Cluster Overview
Lightbits Cluster Topology
Lightbits Cluster Architecture
Nodes
NVMe/TCP MultiPath
Failure Domains
Dynamic Rebalancing
Lightbits Elastic Raid Implementation
Common Administration Tasks
Creating a Volume
Creating a Compressed Volume
List Details About the Newly Created 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
Adding NVMe SSDs
Snapshots and Clones
Volume Placement
Auto Revive
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)
Volume Shrinking and Expansion
Discovery-client Deployment and Usage
Evicting Data (Technology Preview)
Cluster-Level Encryption
Federated Authentication (ADFS)
NVMe/TCP In-Band Authentication - Technology Preview
Lightbits TRIM Support
JWT Access Permissions
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 Node
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 Nodes
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
Appendixes
Limitations and Boundaries
Lightbits Volume/Node SLA
Log Artifacts Collection
About - Legal
Lightbits Troubleshooting Guide
Introduction
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
NVME Device Shows 0 Bytes
Faulty NVMe Device
Tweaking Default Configurations
About - Legal
Lightbits Cluster Self Driven PoV Guide
PoV Introduction
Creating a Volume on the Lightbits Storage Server
Connecting the Client to Lightbits
Confirming the Client Connection to Lightbits
Compression Function Testing
Volume Live Migration (Multi-Attach)
Snapshots and Clones
SSD Failure Handling
Capacity Scale Up
Thin Provisioning Function Support
Volume Placement Feature
Volume Replication
Server Failure Handling
Quality of Service (QoS) Feature
Dynamic Rebalancing on Server Failure
Dynamic Rebalancing on Capacity Usage
Appendixes
System-Scope JWT
Multi-Tenants Function
NVME_TCP Discovery Client Connection Method
FIO Performance Test Cases
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