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Dell SRDF/Metro vWitness Configuration Guide
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Notes, cautions, and warnings
Product Overview
Introduction
Virtual Witness (vWitness)
Functional overview
Selecting a vWitness instance
Monitoring the connections to vWitness instances
Acting on a systems failure
Determining the preferred winner
vWitness benefits
Witness failure scenarios
Install and configure
How to use this chapter
System architecture guidelines
Configuration guidelines
Quantity of vWitness installations
Linux deployment
Hardware and software requirements
Storage systems
Linux systems and related software
vWitness instances
Quantity of vWitness instances
TCP ports
TLS certificates
Installation kit
Other software
Gather installation information and materials
Install the vWitness instances
Interactive installation
Silent installation
Alternate Port Configuration
Define the vWitness instances on the storage systems
Replace the TLS certificates (optional)
Replace the certificates on a vWitness instance
Replace the certificates on a management client
UTC time synchronization
Upgrade a vWitness instance
Uninstall the vWitness instances
Interactive uninstall of a vWitness instance
Silent uninstall of a vWitness instance
vApp deployment
Preparation
Hardware and software requirements
Storage systems
VMware ESXi servers
Before you begin
Other software
vWitness instances
TCP ports
TLS certificates
Installation kit
Install the vWitness instances
Import the Virtual Appliance
Power on and configure the Virtual Appliance
Enable SSH
Import TLS certificates (optional)
Start the certificate management utility
Import the certificate files
Define the vWitness instances on the storage systems
UTC time synchronization
Update a vWitness instance
Manage and monitor
Manage and monitor vWitness definitions on a storage array
Unisphere for PowerMax
Unisphere for VMAX
SYMCLI commands
Add a vWitness definition
Disable the use of a vWitness definition
Enable a vWitness definition
Modify a vWitness definition
Remove a vWitness definition
View vWitness definitions
Manage instances of vWitness
Create a vWitness
Remove a vWitness
Download vWLS log files
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Product Overview
This chapter introduces SRDF/Metro and its resiliency features:
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