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Granular S3 Restore with Clumio Prefix Filtering

Commvault
02/22/2026
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In this demo, we will be showing you how to restore specific file types from an S3 bucket prefix to a previous point in time. This is particularly useful when you need to overwrite potentially compromised files with clean copies from a healthy backup. With Clumio S3 Restore, objects in a protection group can be restored using global search from the calendar view. You can restore all of the S3 assets from a protection group, or you can select specific objects to restore. You can also choose the account or region, the bucket, and the storage class to restore the objects. In this example, we will overwrite and restore all of the files of a specific type in an S3 bucket prefix to a previous point in time. In a real-world scenario, we would use this functionality to overwrite possibly compromised files with clean copies from a previously healthy backup set. We'll start by clicking on the Restore tab. Click on S3 buckets. We'll browse our inventory. Let's say we want to restore some files for the operations team. We'll click on their S3 bucket. Now we're presented with a calendar of all of our available restore dates. We know that the files from Sunday are clean, so we'll restore back to them. We'll click Restore Prefix or Buckets. Let's add our filter to search and display for Excel files or files with the extension XLS. Click Object Key Contains, XLS. Then we click Preview. And now we have a list of all the documents that are going to be restored. Once we verify that all the files are correct, we'll click Next. We can restore to the source bucket or a custom bucket, so we will restore to the source. Click Restore. We get a warning saying that Clumio has found existing objects in the specified prefix. So we know this, and we want to overwrite them anyway, so we click Restore. Now we can watch our restore task. After some time, our recovery completes successfully, and about 6,000 files have been restored to the bucket prefix. Now let's go to AWS and make sure everything looks correct in our bucket. Now in AWS, we'll click on the Branch Ops Storage Bucket. We'll click on Documents. And as we can see, all of our files have been restored back to July 6th, which was a date before the files were tampered with. With only a few clicks, we've performed a full file-level recovery of our S3 bucket prefix, and now our ops team is ready to use their documents again. With Clumio's S3 restore capabilities, you can quickly recover specific file types or prefixes without restoring entire buckets. This targeted approach means faster recovery times and less disruption of your business operations. Your team can get back to work immediately with clean, verified data, while minimizing the impact of data corruption or security incidents.

TL;DR

  • Clumio enables granular S3 restore operations at the prefix and file-type level, allowing selective recovery without restoring entire buckets.
  • The demo shows a ransomware recovery scenario where compromised Excel files are overwritten with clean copies from a previous backup point using object key filtering.
  • Organizations can achieve faster recovery times and reduced business disruption by targeting specific data subsets rather than performing full bucket restores.

Summary

This demonstration showcases Clumio's granular S3 restore capabilities, focusing on prefix-level and file-type filtering for targeted recovery operations. The walkthrough illustrates a practical ransomware recovery scenario where an operations team's Excel files within a specific S3 bucket prefix need to be restored to a clean state from a previous backup point. The demo emphasizes the efficiency of restoring only specific file types rather than entire buckets, highlighting how organizations can achieve faster recovery times and minimize business disruption. The workflow demonstrates calendar-based restore point selection, object key filtering, preview verification, and overwrite capabilities. By enabling file-level granularity within S3 prefixes, Clumio positions its solution as a precision tool for managing complex cloud storage environments where selective recovery is critical for operational continuity and cost optimization.

Chapters

0:00 - Introduction to Prefix Restore
0:44 - Navigating to S3 Restore
1:06 - Filtering and Previewing Files
1:30 - Executing the Restore Operation
1:54 - Verifying Recovery in AWS

Key Quotes

0:04 "In this demo, we will be showing you how to restore specific file types from an S3 bucket prefix to a previous point in time."
0:10 "This is particularly useful when you need to overwrite potentially compromised files with clean copies from a healthy backup."
2:20 "This targeted approach means faster recovery times and less disruption of your business operations."
Categories:
  • » Webinar Library » Commvault
  • » Data Protection » Backup & Recovery
  • » Cybersecurity » Cloud Security
  • » Data Protection
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Tags:
  • Data Protection
  • Cloud Security
  • Demo
  • How-To
  • Backup & Recovery
  • S3 backup and recovery
  • Prefix-level data protection
  • Ransomware recovery
  • File-type filtering
  • Cloud object storage
  • Granular restore operations
  • AWS S3 management
  • Data corruption remediation
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