Four major issues to keep in mind with virtual machine backups
virtualization technologyIn the last two years the development is very fast, many enterprises are using thevirtual machine technologyTo solve some of the problems faced by the enterprise IT infrastructure, such as excessive waste of hardware, difficult to expand and other issues, but for the enterprise to ensure the stability of the enterprise business is the most important. So backup is a very important part.
1. Don't treat virtual machines as physical machines
The easiest way to secure a virtual environment is of course to use the same backup methods as the physical servers, but unfortunately the easiest way is often not the best, and continuing to use traditional backup methods can lead to a number of problems, these include:
Resource constraints, if you use the traditional backup method of moving the data from disk to backup and moving the data out by way of hosts and networks, then you will inevitably encounter ratings, both once an application is backed up from one VM to somewhere else, then the backed up VMs will affect the hosts, network and storage resources.
The issue of cost, the price of backup software is often determined by the number of clients, so the cost of backup may easily increase. In addition, with the allocation of licensed VMs, it may be a short time before the cost of backups is a nightmare for businesses.
Convenience, VMs are dynamic, ever-changing infrastructures, especially when some features are in use, and manual backups via a network-based backup may result in backup failures.
traditionalBackup methodWe should try to avoid it unless they support and enforce the use of (API) basedvirtualized environmentManaged backups in the. such as backups of the VMware vStorage API for data protection.
2. Ensure management applications are synchronized
Virtual machines introduce a level of responsible applications where data is stored at the storage level and the hypervisor, operating system, and applications will have a caching phase to save the data, which improves performance but can be troublesome for backups.
Unless these had been synchronized during the backup process, it would be easy to create incorrect backups of uncommitted data, leading to inconsistent backup states. This problem will become apparent only when it comes to restoring, which is not sufficient for the user's needs.
3. Effective managementsnapshotting
Snapshots will grow over time, especially with high activity systems we can even see the rapid rate at which snapshots grow, so we need to make sure our snapshots are managed effectively.
We need to strategize based on different management platforms, which means we need to consolidate those expiring or non-expiring fasts. If the snapshots are not managed correctly, the system will encounter storage capacity and performance issues.
4. Ensure test recovery
For many users, they may back up the data for the virtual machine and leave everything alone, but since the data backed up by the virtual machine is too large, it may cause difficulties in recovery.
Without customized testing, the backed up data may not enable data recovery in case you have a disaster. You need to perform regular checks on your VM backups to ensure that the backup process is working properly.