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How do external disk arrays help improve backup throughput for enterprise-scale data centers?

#1
11-02-2023, 01:08 PM
When dealing with enterprise-scale data centers, you quickly learn that managing exponential data growth is a constant challenge. You've got massive amounts of data flowing in from different sources, and when it comes to backups, the last thing you want is a bottleneck. That's where external disk arrays really shine, especially in terms of improving backup throughput.

Starting off, let's think about the architecture of data centers. Most are designed with a centralized storage system that serves various needs, ranging from regular file storage to demanding database applications. However, when backup tasks kick in, those centralized resources are under immense pressure. This is where external disk arrays come into play; they act as a dedicated resource for backup tasks, freeing up your primary storage for its intended purposes like production workloads. You might've experienced times when backup processes were clashing with operational activities, hampering performance. With external disk arrays, this scenario can be effectively mitigated.

When external disk arrays are included in the infrastructure, they typically employ multiple high-speed connections, such as SAS or Fibre Channel. These connections enable high data throughput rates, allowing backups to happen quicker than they would on standard internal storage. Imagine a situation where you're trying to back up a couple of terabytes of data overnight. If you're relying solely on your internal storage, there's a chance you'll wake up to find that the process hasn't completed, or worse, the system is unresponsive because of the workload demands. On the other hand, with external disk arrays facilitating the backup, data can be written quickly to a separate set of physical disks, resulting in minimized impact on both the primary storage and ongoing operations.

There's also the aspect of scalability that external disk arrays offer. The environment around data centers is always changing, and as data volumes grow, the storage infrastructure needs to grow along with them. External disk arrays can be scaled out by adding more disks or even additional arrays. For example, if a company's backup needs suddenly increase due to a merger or a new business line, external arrays can be expanded without the need to overhaul the entire storage system. This flexibility can also directly feed into backup throughput. If a larger volume of data needs to be backed up simultaneously, simply adding more disks to the external array can handle that demand.

Speaking of demand, the integration of external disk arrays can facilitate parallel processing during backup operations. When you back up data from one external array, you can configure your backup software to access multiple disks at the same time. This multi-threaded approach significantly speeds up the backup process. For instance, if you're using a system that can read from and write to multiple disks concurrently, you could almost double or triple your throughput without much additional effort. This multi-tasking capability can turn what would typically be an overnight operation into a process that completes in a couple of hours, allowing businesses to meet tighter recovery point objectives.

In many cases, arrays come with built-in caching mechanisms. Caching allows frequently accessed data to be retrieved faster, which boosts not just backup speed but also the overall efficiency of your data center operations. If you have certain datasets that are consistently backed up, such as critical application data or user files, using a disk array with robust caching can make those repetitive backups significantly faster than traditional methods. Knowing that that you can count on quick data access will bring confidence to the team, especially during time-sensitive backups.

It's hard to overlook the fact that data protection regulations are becoming stricter. You might be in an industry where compliance means you need to keep backups for extended periods. When these backups are stored on external disk arrays, the infrastructure allows for features like snapshots or replication without taxing your primary resources. This capability means you can keep multiple copies of backups without compromising speed or performance.

You might be interested to know that some backup solutions like BackupChain leverage external disk arrays very effectively for Windows PC and Server backups. The architecture allows for seamless integration with these dedicated storage solutions, enabling users to implement efficient backup strategies without additional costs in infrastructure management. Data management can become a smoother experience with such a setup.

The power of deduplication also comes into play with external disk arrays. When you can store unique data blocks that are frequently backed up, you'll save on disk space. The deduplication process can be managed by the disk array, leading to faster write operations. This means less data needs to be transferred during backup windows, straight-up improving throughput. Consequently, during high-traffic data upload times, this mechanism reduces the amount of data being stored on the primary storage units and allows for more efficient backups.

Let's not overlook redundancy, which is vital for enterprise-scale operations. Many external disk arrays come with built-in redundancy features, like RAID configurations. This level of protection ensures that even if one drive fails during a backup, your data is still secure. You might think of a scenario where a disk failure occurs not just in your main storage but also during a backup operation. Having this redundancy means that you can still retrieve your data without significant delays or risks, thus keeping your throughput intact.

Moreover, implementing an external disk array allows for offsite backups to become a practical reality. For disaster recovery scenarios, just having your backups stored on-site isn't enough. If you're employing offsite strategies for compliance or redundancy, you can offload your backup operations to external disk arrays that can also be easily replicated. This setup sorts out issues around data retrieval speed since you'll continue utilizing the existing infrastructure for your primary operations while the backups can be created, stored, and replicated elsewhere.

Outside of the technical aspects, think about the peace of mind that improved backup throughput brings to your daily operations. Knowing that your backup solutions are efficient allows you to focus more on strategic initiatives rather than firefighting issues caused by slow backup processes. You can devote your attention to optimizing performance in other areas, such as application responsiveness or user experience, since you're confident that your backup needs are well-taken care of.

In essence, external disk arrays are a game-changing component for enterprise data management. When you move beyond traditional storage solutions and embrace the intricate capabilities of external arrays, you'll see how they can amplify backup throughput, reduce operational risks, and keep your data secure while allowing your data center to scale effortlessly. From flexibility and scalability to enhanced speed and multipurpose utilization, the benefits stack up in ways that traditional storage cannot match. By incorporating external disk arrays, you not only solve immediate challenges but also set your data center up for long-term success.

ron74
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Joined: Feb 2019
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How do external disk arrays help improve backup throughput for enterprise-scale data centers?

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