Cyber-resilient infrastructure backup, not Kafka backup

What Cohesity protects — and at what level​

A cohesity kafka backup search usually comes from an enterprise that already trusts Cohesity with everything else. That trust is earned at the infrastructure layer. Kafka data lives a layer above it.

Cohesity DataProtect backs up virtual machines, NAS shares, databases, Microsoft 365, and cloud workloads such as EC2 and RDS, all managed through the Helios control plane. Backups land on SpanFS, Cohesity's scale-out filesystem, where snapshots are immutable, deduplicated, and isolated from clients. FortKnox adds a vaulted, isolated copy for cyber recovery, and anomaly detection scans backup data for signs of ransomware.

None of that is Kafka-aware. Cohesity's documentation lists application-aware handling for databases and common enterprise workloads; Apache Kafka is not among them. A Kafka cluster is protectable only as machines and volumes — VM images, Kubernetes persistent volumes, or filesystems. Kubernetes protection, delivered with Veritas NetBackup since the two merged, is agentless and snapshot-based, but it treats broker volumes like any other persistent volume.

OSO Kafka Backup works at the data layer. It connects to any Kafka cluster as a standard client and writes topic records, consumer group offsets, and topic configuration to object storage (S3, Azure Blob, GCS) or local disk. Restores are offset-consistent, work across clusters, and stop at a precise millisecond — the failure modes covered in the disaster recovery use cases.

Where the gap actually bites​

Restore is where the layers separate. A SpanFS snapshot of a broker volume brings back that broker's disk at a block level. It cannot produce a consistent cut across partitions and replicas, restore one poisoned topic to the millisecond before a bad deploy, or bring back consumer group offsets. After a volume-level restore, every consumer either reprocesses history or skips to the live end of the stream.

An offset-aware restore avoids that choice. OSO Kafka Backup stores original offsets with each record and restores consumer group positions alongside the data, so applications resume where they left off — without rebuilding the rest of the cluster.

The other structural gap is managed Kafka. Cohesity protects infrastructure it can reach: its AWS coverage centers on EC2 and RDS. Amazon MSK and Confluent Cloud expose no VM images or volumes to snapshot, so they sit outside Cohesity's scope entirely. A client-level backup tool works against any of them.

When to choose which​

Choose Cohesity when the job is protecting the estate: VMs, NAS, databases, Microsoft 365, and Kubernetes namespaces, with immutable copies, a vaulted cyber-recovery tier, and one management plane across it all.

Choose OSO Kafka Backup when the job is Kafka data: offset-consistent topic backups, millisecond point-in-time restore, cross-cluster migration, and coverage for managed services Cohesity cannot reach.

Run both when Kafka matters to the business. Cohesity rebuilds the infrastructure and guards it against ransomware; OSO Kafka Backup restores logically consistent topic data on top. The layer split is the same one the Veeam comparison walks through, and the operator schedules the Kafka layer on the same clusters Cohesity already protects. See the full alternatives comparison for how replication and offload approaches fit alongside.