6.5
Table Of Contents
- Using VMware vSphere Replication
- Contents
- About Using VMware vSphere Replication
- Replicating Virtual Machines
- How the Recovery Point Objective Affects Replication Scheduling
- How the 5 Minute Recovery Point Objective Works
- How Retention Policy Works
- Replicating a Virtual Machine and Enabling Multiple Point in Time Instances
- Using vSphere Replication with Virtual SAN Storage
- Using vSphere Replication with vSphere Storage DRS
- How vSphere Replication Synchronizes Data Between vCenter Server Sites During Initial Configuration
- Replicating Virtual Machines Using Replication Seeds
- Replicating a Virtual Machine in a Single vCenter Server Instance
- Best Practices For Using and Configuring vSphere Replication
- Configure Replication for a Single Virtual Machine to vCenter Server
- Configure Replication for Multiple Virtual Machines to vCenter Server
- Move a Replication to a New vSphere Replication Server
- Stop Replicating a Virtual Machine
- Reconfiguring Replications
- Reconfigure Recovery Point Objectives (RPO) in Replications
- Resize the Virtual Machine Disk Files of a Replication that Uses Replication Seeds
- Resize Virtual Machine Disk Files of a Replication that Does Not Use Replication Seeds
- Change the Point in Time Settings of a Replication
- Change the Target Datastore Location of a Replication
- Monitoring and Managing Replications in vSphere Replication
- Performing a Recovery with vSphere Replication
- Troubleshooting vSphere Replication
- Generate vSphere Replication Support Bundle
- vSphere Replication Events and Alarms
- Solutions for Common vSphere Replication Problems
- Error at vService Bindings When Deploying the vSphere Replication Appliance
- OVF Package is Invalid and Cannot be Deployed
- Connection Errors Between vSphere Replication and SQL Server Cannot be Resolved
- Application Quiescing Changes to File System Quiescing During vMotion to an Older Host
- Configuring Replication Fails for Virtual Machines with Two Disks on Different Datastores
- vSphere Replication Service Fails with Unresolved Host Error
- Scalability Problems when Replicating Many Virtual Machines with a Short RPO to a Shared VMFS Datastore on ESXi Server 5.0
- vSphere Replication Sites Appear in the Not Authenticated State
- Error Recovering Virtual Machine in a Single vCenter Server Instance
- vSphere Replication RPO Violations
- vSphere Replication Appliance Extension Cannot Be Deleted
- vSphere Replication Does Not Start After Moving the Host
- Unexpected vSphere Replication Failure Results in a Generic Error
- Reconnecting Sites Fails If One Of the vCenter Servers Has Changed Its IP Address
- Uploading a Valid Certificate to vSphere Replication Results in a Warning
- vSphere Replication Server Registration Takes Several Minutes
- Generating Support Bundles Disrupts vSphere Replication Recovery
- vSphere Replication Operations Take a Long Time to Complete
- vSphere Replication Operations Fail with Authentication Error
- vSphere Replication Does Not Display Incoming Replications When the Source Site is Inaccessible
- vSphere Replication is Inaccessible After Changing vCenter Server Certificate
- vSphere Replication Cannot Establish a Connection to the Hosts
- Anti-virus Agent in Firewall Terminates Virtual Machine Replication
- Initial Full Synchronization of Virtual Machine Files to VMware Virtual SAN Storage Is Slow
- Configuring Replication Fails Because Another Virtual Machine has the Same Instance UUID
- Not Active Replication Status of Virtual Machines
- vSphere Replication Operations Run Slowly as the Number of Replications Increases
- Error at Reconfiguring the vSphere Replication Management Server from the Virtual Appliance Management Interface
- Unable to Establish an SSH Connection to the vSphere Replication Appliance
- The Replication Pauses When You Add a New Disk To the Source VM
- The vSphere Replication Appliance Root File System Switches to Read-only Mode and Login Fails
c Remove any temporary hbr* files left over from the target datastore folders.
d Configure all replications, reusing the existing replica .vmdk files as replication seeds.
Not Active Replication Status of Virtual Machines
The replication status of a virtual machine might appear as Not active without an obvious reason.
Problem
You use a vSphere Replication Server on the target site to manage replications, and the replication status
for the virtual machines that this vSphere Replication Server manages is Not active though there is no
obvious reason for this status.
Cause
The vSphere Replication appliance does not check the connectivity between vSphere Replication Server
instances that you register and the ESXi host on the primary site. If you deploy vSphere Replication
servers on the target site, but these servers cannot access the ESXi host on the primary site, the
vSphere Replication servers register successfully with the vSphere Replication appliance, but cannot
operate as expected.
Solution
u
If the replication status of a virtual machine is Not active, check the network connectivity between
the host on which the replicated virtual machine is running and the target vSphere Replication Server.
vSphere Replication Operations Run Slowly as the Number of
Replications Increases
As you increase the number of virtual machines that you replicate, vSphere Replication operations can
run more slowly.
Problem
Response times for vSphere Replication operations can increase as you replicate more virtual machines.
You possibly experience recovery operation timeouts or failures for a few virtual machines, and RPO
violations.
Cause
Every virtual machine in a datastore generates regular read and write operations. Configuring
vSphere Replication on those virtual machines adds another read operation to the regular read and write
operations, which increases the I/O load on the storage. The performance of vSphere Replication
depends on the I/O load of the virtual machines that you replicate and on the capabilities of the storage
hardware. If the load generated by the virtual machines, combined with the extra I/O operations that
vSphere Replication introduces, exceeds the capabilities of your storage hardware, you might experience
slow response times.
Using VMware vSphere Replication
VMware, Inc. 56