Veritas™ Dynamic Multi-Pathing for VMware Administrator's Guide 6.0

Article:DOC5420  |  Created: 2012-03-01  |  Updated: 2012-05-10  |  Article URL http://www.symantec.com/docs/DOC5420
Article Type
Documentation

Product(s)

Environment

Description



Veritas™ Dynamic Multi-Pathing Administrator's Guide

Contents

1. Understanding DMP
About Veritas Dynamic Multi-Pathing
How DMP works
How DMP monitors I/O on paths
Load balancing
Multiple paths to disk arrays
Device discovery
About DMP extended device attributes
Disk device naming in DMP
About operating system-based naming
About enclosure-based naming
2. About administering DMP
Methods to administer DMP
About roles and privileges for administering DMP
About enabling and disabling I/O for controllers and storage processors
About displaying DMP database information
About the DMP attributes of the paths to an enclosure
About DMP I/O policies
3. Administering DMP using the command line
About the authentication model for the vxdmpadm command in the VMware environment
Retrieving information about a DMP node
Displaying consolidated information about the DMP nodes
Displaying the paths to a disk
Displaying paths controlled by a DMP node, controller, enclosure, or array port
Displaying information about controllers
Displaying information about enclosures
Displaying information about array ports
Displaying extended device attributes
Gathering and displaying I/O statistics
Examples of using the vxdmpadm iostat command
Displaying cumulative I/O statistics
Setting the attributes of the paths to an enclosure
Displaying the redundancy level of a device or enclosure
Specifying the minimum number of active paths
Displaying the I/O policy
Specifying the DMP I/O policy with the command line
Scheduling I/O on the paths of an Asymmetric Active/Active array or an ALUA array
Example of applying load balancing in a SAN
Disabling I/O for paths, controllers or array ports
Enabling I/O for paths, controllers or array ports
Configuring the response to I/O failures
Configuring the I/O throttling mechanism
Displaying recovery option values
Configuring DMP path restoration policies
Stopping the DMP path restoration thread
Displaying the status of the DMP path restoration thread
Viewing array policy modules
4. Administering DMP using vSphere Client
Getting started with the Veritas Dynamic Multi-Pathing solution in vSphere Client
Working with the Veritas Dynamic Multi-Pathing for VMware home view
About the Veritas Dynamic Multi-Pathing for VMware home view
Downloading the DMP offline bundle for ESX/ESXi
Downloading the administration CLI package for a remote host
Viewing the DMP and license compliance for hosts
Viewing the license details
Applying new license to a single host or multiple hosts
Working with the host view in the VxDMP tab
About the host view in the VxDMP tab
Setting the attributes of a storage entity
Setting the attributes of the paths to a storage array
Enabling or disabling paths
Filtering the LUNs configured for a storage array
Working with the I/O Statistics pane
Working with the datacenter view in the VxDMP tab
About the datacenter view in the VxDMP tab
Viewing the I/O load distribution across hosts for a storage array
Viewing the I/O statistics for a LUN
Resetting the I/O statistics for all hosts
5. Administering device discovery
About device discovery management
About the authentication model for the vxddladm command in the VMware environment
How DMP claims devices
Disk categories
Discovering and configuring newly added disk devices
Adding support for a new disk array
Listing all supported disk arrays
Displaying details about a supported array library
Displaying the disk-naming scheme
6. Performance monitoring and tuning
About tuning Veritas Dynamic Multi-Pathing (DMP) with templates
DMP tuning templates
Example DMP tuning template
Tuning a DMP host with a configuration attribute template
Managing the DMP configuration files
Resetting the DMP tunable parameters and attributes to the default values
DMP tunable parameters and attributes that are supported for templates
DMP tunable parameters
A. DMP troubleshooting
Troubleshooting tips
Symantec VxDMP plugin unregistration error
Symantec VxDMP plugin appears "Disabled" or the VxDMP tabs are not visible at the datacenter or host level
VMware vCenter Server becomes permanently unavailable
VxDMP tab displays Stream Error 2032
Downgrading the array support
Troubleshooting in case the system panics or hangs
Troubleshooting the Command Line exception errors

Attachments

dmp_admin_60_esx.pdf (1.5 MBytes)

Article URL http://www.symantec.com/docs/DOC5420


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