An important part of a business continuity and disaster recovery plans are the ways to protect your organisation data. A way to do this is to have a back-up and recovery solution in place. This solution should be able to get your organization back in to production with the set RPO/RTO’s. The solution needs to be able to test your back-ups, preferable in a sandboxed testing environment. I have seen situations at organisations where backup software was reporting green lights on the backup operation, but when a crisis came up they couldn’t get the data out and thus failing recovery. Panicking people all over the place….
Back-up and recovery solution can be (a mix of) commercial products to protect the virtual environment like Veeam or from within guest with agents like Veritas or DPM or from features of the OS (return to previous version with snapshots). Other ways included solutions on the storage infrastructuur. But what if your budget constrained….
Well VMware has the vSphere Data Protection that is included from the Essentials Enterpise Plus kit. This is the standard edition. The vSphere Data Protection Advanced edition is available from the enterprise license.
So there are two flavours, what is standard giving and lacking from advanced?
First the what; like previous stated VDP is the backup and recovery solution from VMware. It is a appliance that is fully integrated with vCenter. It’s easy to be deployed. It performs full virtual machine and File-LevelRestore (FLR) without installing an agent in every virtual machine.It uses data deduplication for all backup jobs, reducing disk space consumption.
VDP standard is capped with a 2TB backup data store, where VDP advanced allows dynamic capacity growth. This allows a growth of capacity to 4TB, 6TB or 8TB backup stores. VDP advance also provides agents for specific applications. Agents for SQL Server and Exchange agents can be installed in the VM guest os. These agents provides selecting individual databases or stores for backup or restore actions, application quiescing and advanced options like truncating transaction logs.
At VMworld 2013 further capabilities of VDP 5.5 are introduced:
– Replication of backup data to EMC.
– Direct-to-Host Emergency Restore. (without the need for vCenter, so perfect for backing up your vCenter)
– Backup and restore of individual VDMK files.
– Specific schedules for multiple jobs.
– VDP storage management improvements. Selecting separate backup data stores.
Sizing and configuration
The appliance is configured with 4vCPU’s and 4GB RAM. For the available backup stores storage capacity 500GB, 1TB or 2TB they will consume respectivily 850GB, 1,3 TB and 3,1TB of actual storage. There is a 100 VM limit, so after that you would need another VDP appliance (maximum of 10 VDP appliances per vCenter).
After the appliance deployment the appliance need to be configured at the VDP web service. The first time it is in installation mode. Items such as IP, hostname, DNS (if you haven’t added these with the OVF deployment), time and vCenter need to be configured. After completion (and sucessful testing) the appliance needs to be rebooted. A heads up, the initial configuration reboot can take up to 30 minutes to complete so have your coffee machine nearby.
After this you can use the webclient connected to your VDP connected vCenter to create jobs. Let the created jobs run controlled for the first time; the first backup of a virtual machine takes time as all of the data for that virtual machine is being backed up. Subsequent backups of the same virtual machine take less time, here changed block tracking (CBT) and dedup is preformed.
Well this depends on the kind of storage you are going to use as the backup data store. If you going for low cost storage (let say most of the SMB would want that), your paying in performance (or lacking it most of the time).
Most organizations want their backup data stored offsite in some way. vDP does not offer replication (or with VDP5.5 to only EMC), so you want to have some offsite replication or synchronization in place (and a how are you able to restore from this data if your VDP is lost also). vSphere Replication only protects VM’s and not your backup data store. Most SMB’s don’t have a lot of storage able replication devices in place, and when they do, there using it for production and not use that as a backup datastore. Keep this in mind when researching this product for your environment.
– Enjoy data protecting!