Volume Replicator 7.4.1 Administrator's Guide - Windows
- Understanding Volume Replicator
- About Volume Replicator
- Basic Volume Replicator terms
- Building blocks of Volume Replicator
- Understanding replication in the Volume Replicator environment
- Modes of replication
- Understanding data flow in Volume Replicator asynchronous mode
- Understanding data flow in an RDS that contains multiple Secondary hosts
- Managing data during failure and recovery
- Replication concepts
- About using Volume Replicator as a disaster recovery tool
- Understanding how Volume Replicator logs writes to the Replicator Log
- Understanding replication settings for a Secondary
- Measures to protect log overflow and replication latency
- Pausing the replication
- Understanding checkpoints
- Synchronizing the Secondary
- Understanding Volume Replicator support for FlashSnap
- About Synchronized Snapshots
- Understanding Bunker replication
- Understanding Volume Replicator Support for TCP Multi-Connection
- About Volume Replicator compression
- About Volume Replicator memory monitoring and control support
- About Volume Replicator Graphs
- Setting up replication
- About setting up replication
- Best practices for setting up replication
- Security considerations for Volume Replicator
- Setting up replication using the Setup Replicated Data Set wizard
- Creating a Replicated Data Set (RDS)
- Replication failover considerations with diverse network configurations
- Setting up the Bunker RVG for replication
- Using the VEA Console for Volume Replication Operations
- Monitoring replication
- About monitoring replication
- Interpreting the information in the Volume Replicator views
- Monitoring replication using the VEA console
- Checking replication performance using vxrlink stats
- Analyzing Volume Replicator performance
- Monitoring alerts to interpret error conditions
- Handling Volume Replicator events
- Administering Volume Replicator
- About administering Volume Replicator
- Modifying the configuration
- Adding volumes
- Adding a Secondary host
- Administering the RVG
- Administering replication
- Disabling the SwiftSync feature
- Starting replication through the VEA console
- Stopping replication using the VEA console
- Changing replication settings for an RDS
- Managing checkpoints
- Pausing replication using Volume Replicator
- Converting the Primary to a Secondary
- Migrating the Primary role within an RDS
- Creating snapshots for the data volumes
- Creating synchronized snapshots using the VSS Snapshot wizard
- About snapshot naming convention on the Secondary
- Creating synchronized snapshot sets
- Prerequisites for creating synchronized snapshot sets
- Creating schedules for synchronized snapshots
- Displaying the status of the scheduled synchronized snapshot
- Reattaching synchronized snapshots
- Deleting a synchronized snapshot schedule
- Recovering the RVG
- Restoring the Secondary
- Migrating VVR to support IPv6 or dual stack
- Administering Bunker replication
- Performing disaster recovery operation
- Deleting Volume Replicator objects
- Accessing data on Secondary host
- Performing automated system recovery (ASR)
- Alternative methods to synchronize the Secondary faster
- Obtaining statistical information through Volume Replicator Graphs
- Using the command line interface
- About using the command line interface
- Conventions for command line syntax
- Administering the RDS using the vxrds command
- Activating the Bunker RVG
- Creating and adding a Secondary RVG
- Adding an existing volume to the RDS
- Adding a Bunker node
- Changing the host name or IP
- Creating the Primary RVG
- Deactivating the Bunker RVG
- Deleting the Bunker node
- Deleting the Secondary
- Deleting the Primary
- Dissociating data volumes
- Resynchronizing a failed Primary with the new Primary
- Converting a Primary to a Secondary
- Migrating the Primary to a Secondary
- Pausing replication using the vxrds pauserep command
- Displaying the RDS
- Resizing the data volumes
- Growing the Replicator Log volume
- Resuming replication after pausing
- Resynchronizing the Secondary
- Setting replication attributes
- Starting replication using the vxrds startrep command
- Stopping replication using the vxrds stoprep command
- Taking over the Primary role using the vxrds takeover command
- Performing RLINK Operations using the vxrlink command
- Associating a Secondary
- Attaching a Secondary
- Displaying the list of Secondary checkpoints
- Deleting the Secondary checkpoint
- Detaching an RLINK
- Dissociating an RLINK
- Creating new RLINK
- Pausing the RLINK
- Recovering the RLINK
- Restoring the RLINK
- Resuming the RLINK
- Removing the RLINK
- Setting the RLINK attributes
- Displaying the network statistics for the RLINK
- Displaying the RLINK status
- Identifying the most up-to-date Secondary
- Verifying the RLINK
- Starting the Historic Bandwidth Data Collection using the CLI
- Stopping the Historic Bandwidth Data Collection using the CLI
- Administering the RVGs using the vxrvg command
- Adding DCM log
- Associating the Replicator Log volume to an RVG
- Associating data volume with the RVG
- Ending checkpoint
- Starting the checkpoint
- Deleting the RVG checkpoint
- Displaying RVG checkpoints
- Dissociating volumes from RVG
- Dismounting data volumes
- Creating new RVG
- Converting a Secondary RVG to Primary RVG
- Converting a Primary RVG to Secondary RVG
- Recovering the RVG
- Removing an RVG
- Resynchronizing the RVG
- Setting RVG attributes
- Creating snapshots for data volumes in an RVG
- Reattaching the snapshot volumes back to the data volumes in an RVG
- Enabling data access (Starting the RVG)
- Generating application statistics
- Disabling data access (stopping the RVG)
- Displaying information using the vxprint command
- Creating snapshots using the vxsnap command
- Displaying memory statistics using the vxmemstat command
- Administering replicated volumes using the vxvol command
- Displaying and changing replication ports using the vrport command
- Administering the RVG using the vxedit
- Administering the RVG using the vxassist command
- Tuning Volume Replicator
- Examples: Using the command line
- Sample setup using the command line
- Example 1: Setting up replication using the command line interface
- Creating the RLINK on the Primary system VVRPRI
- Creating the Primary RVG on the Primary system VVRPRI
- Creating the RLINK on the Secondary system VVRSEC
- Creating the Secondary RVG on Secondary system VVRSEC
- Attaching the RLINKs and starting replication on the Secondary
- Attaching the RLINKs and starting replication on the Primary
- Example 2: Setting up Bunker replication
- Example 3: Using Bunker node for disaster recovery
- Updating the Secondary from the Bunker
- Transferring the Primary role
- Restoring the original Primary in a Bunker setup
- Migrating the Primary role back to the original Primary
- Recovering the original Primary during Bunker replay
- Failing back to the original Primary
- Restoring the Bunker setup after failback to original Primary
- Example 4: Using synchronized snapshots to restore data
- Sample setup showing how to restore data using synchronized snapshots
- Configuration Details
- Preparing the Volumes
- Creating snapshot volumes
- Using the snapshots to recover the corrupted volumes
- Restoring the original Primary
- Migrating the Primary role back to the original Primary (failing back to the original Primary)
- Configuring Volume Replicator in a VCS environment
- About configuring Volume Replicator in a VCS environment
- Components of a VCS cluster
- Illustrating a highly available Volume Replicator setup
- How the agents work
- Configuring the agents
- Working with existing replication service groups
- Configuring Volume Replicator with Hyper-V
- Advanced settings in Volume Replicator
- Troubleshooting Volume Replicator
- About troubleshooting Volume Replicator
- Recommendations and checks
- Encrypted files on replicated volumes
- Selecting the mode of replication
- Volume Replicator issues when Norton AntiVirus scan is performed
- Monitor view does not display the RDS information
- Preventing the connect problems
- Configuration checks for RLINKS
- Network, process, and operating system checks
- Configuration checks for volume mappings
- Troubleshooting Volume Replicator performance
- Other information and checks
- Recovering from problems in a firewall or NAT setup
- Recovering from problems during replication
- Permission denied errors when performing Volume Replicator Operations
- Error when configuring the VxSAS Service
- VEA Service is not started
- Connecting to cluster having multiple IP addresses
- Error when disabling data access to the RVG, creating Secondary RVG, adding volumes
- Error when resizing volumes
- Replica link already exists
- Unable to perform delete RDS, add volume, delete volume
- Removing the Replicator Log volume mirror
- Pausing when writes are in progress
- Unable to see volume name for associating Replicator Log
- Unable to see the volume names for adding volumes to RDS
- Adding logs to dissociated volumes
- Using two commands in succession
- Renaming dynamic disk group while importing
- Problems when performing the snapshot operation
- Operation time-out errors
- Problems when configuring Volume Replicator in a VCS environment
- Problems when setting performance counters
- Ignore error when adding secondary using VEA
- Appendix A. Services and ports
- Appendix B. Using the vxrsync utility
- Appendix C. VR Advisor (VRAdvisor)
Connecting to a host
You can connect to all hosts that are intended to be a part of the RDS, from VEA, and perform all the Volume Replicator operations on them.
After you have started Storage Foundation on one host, you can connect to additional hosts from the same session. Each host machine must be running the Veritas Enterprise Administrator service.
Note:
This task requires a host machine name, user name, domain name, and password. Only users with appropriate privileges can run Storage Foundation and High Availability Solutions.
Note:
If User Access Control (UAC) is enabled, then you cannot log on to VEA GUI with an account that is not a member of the Administrators group, such as a guest user. This happens because such user does not have the "Write" permission for the "Veritas" folder in the installation directory (typically, C:\Program Files\Veritas). As a workaround, an OS administrator user can set "Write" permission for the guest user using the Security tab of the "Veritas" folder's properties.
You can connect to a host in one of the following ways:
To connect to a host
To connect to a host:
Click File > Connect.
Click Connect toolbar icon.
Click the Connect to a Host or Domain task that is displayed on the Home panel.
Complete the Connect dialog box as follows:
Host Name
Enter the name of the system to be administered. (For example, in case of Volume Replicator, both vcsvc and the VEA service must be running on this system.
Use Browse to locate the system to be administered.
Clicking Browse displays the Browse dialog box. The Browse dialog box includes the Favorites and Network tabs. You may select a host from the Favorites and Network tab.
- When the default user account is not set, the Connect as option displays No default user account as the default user account. When the default user account is set the radio button displays the same to connect to the system.
If there is no default account identity but the host has been connected to some other user account, it is displayed in the dialog box.
- Select Connect using a different user account to connect to the system using any other user account other than the default user account.
- Click Connect to log on.
The Connecting to:<machine name/machine IP> dialog box is displayed.
Complete the Connecting to:<machine name/machine IP> dialog box as follows:
Username
Enter your logon name. Only users with appropriate privileges can access Storage Foundation on the specified system. (The service is already running on the host.)
Password
Enter your password for the system to be administered.
@Domain
Select a domain (If any) from the drop-down list. The list contains the domains that the host is part of.
Save Password
Select this check box to save the password on your computer
Set this as the default user account for this profile
Select this check box to set the current account information as the default user account for this profile. The saved user account can be viewed by clicking Pick or by clicking Security tab in the
Preferencespanel.Alternatively, the user can select an already saved user account by clicking Pick. When you have provided all necessary information in the dialog box, click OK. The new host appears in the object tree in the main window.
After you connect to the required hosts, VEA displays the Replication Network object in the Select Host field. Click on Replication Network to view the Volume Replicator objects. The VEA console provides a single graphical interface to view and manipulate all the SFW objects and Volume Replicator objects on your system. You must first connect to at least the local node so that Replication Network node is available.