Plakar Blog
Read about data protection and Plakar latest development update.
Backing up PostgreSQL with Plakar
We built a PostgreSQL integration for Plakar that covers both logical backups (pg_dump / pg_dumpall) and physical backups (pg_basebackup), making database backups as straightforward as any other Plakar backup: no scripts, no glue code.
Backing up Proxmox with Plakar: a third-party integration built in a few days
The team at FactorFX built a Proxmox integration for Plakar that wraps Proxmox’s native vzdump backups and stores them as deduplicated Plakar snapshots, making VM and container backups portable, encrypted, and easy to restore across clusters.
Read more
Backing up kubernetes clusters with Plakar
We built a Kubernetes integration for Plakar that backs up clusters at three levels: etcd (disaster recovery), manifests (granular restore and inspection), and persistent volumes (via CSI snapshots). This enables full cluster recovery, fine-grained restores, and data portability across environments.
Read more
Storing backups in an OCI registry
After a podcast discussion, we implemented an OCI registry storage backend. This article discusses the concept and showcases our proof of concept.
Read more
Plakar v1.1.0-beta: the foundation for what’s next
plakar v1.1.0-beta marks a major step forward, with significant performance gains, architectural simplifications, and powerful new user-facing features. From faster backups and restores to better mounting, cleaner integrations, and a more reliable execution model, this release lays solid foundations for what comes next. The beta is stable, backward compatible, and ready to be explored.
Read more
Researching a PostgreSQL viewer for Plakar
An R&D exploration of adding a PostgreSQL viewer to the Plakar UI, comparing filesystem-based approaches with block-level copy-on-write using qcow2.
Read more
Plakar joins the Linux Foundation and Cloud Native Computing Foundation
We are proud to announce that Plakar has officially joined the Linux Foundation and the CNCF as a member, marking a pivotal step in establishing an Open Standard for Resilience.
Read more
Announcing Plakar Enterprise for AWS (Preview)
We are proud to announce the immediate availability of Plakar Enterprise for AWS, bringing Cloud-Native Resilience and Zero-Trust security to your VPC.
Read more
Release v1.0.6 — Bugfix and memory usage improvement
v1.0.6 brings a few bugfixes and huge memory usage improvements.
Read more
Release v1.0.5 — Refinements, Hooks & Build Improvements
v1.0.5 is here! This release focuses on build improvements, UI updates, smarter pipelines, new hook capabilities, and various maintenance enhancements.
Read more
Falsehoods Engineers belief about backup
Falsehoods Engineers belief about backup
Read more
Release v1.0.4 — A new milestone for Plakar
Plakar v1.0.4 introduces pre-packaged binaries, a new plugin system for integrations, smarter caching, policy-based lifecycle management, UI refinements, and major performance boosts — marking a milestone release for the platform.
Read more
Back up Notion? Yes, you can.
With our new Notion integration, plakar can now snapshot and restore workspaces directly — docs, databases, and more. No hacks. Just data.
Read more
go-kloset-sdk is live!
want to craft a ptar archive but you don’t need a full-fledged backup solution ? here comes kapsul, our ptar-specific tool, providing all you need from building to restoring and inspecting.
Read more
Introducing go-cdc-chunkers: chunk and deduplicate everything
We released go-cdc-chunkers, our open source library to provide Content-Defined Chunking. Here’s why deduplication is important.
Read more
Kapsul: a tool to create and manage deduplicated, compressed and encrypted PTAR vaults
want to craft a ptar archive but you don’t need a full-fledged backup solution ? here comes kapsul, our ptar-specific tool, providing all you need from building to restoring and inspecting.
Read more
Technical deep dive into .ptar: replacing .tgz for petabyte-scale S3 archives
.tgz made sense in 1994, but today we need archiving that supports deduplication, encryption, S3, and zero trust. here’s why we built .ptar.
Read more
It doesn't make sense to wrap modern data in a 1979 format, introducing .ptar
.ptar is our own archive format, a self-contained kloset, a container for your data. You end up with a standalone file that provides deduplication, compression, encryption, with all of the fancy features of a kloset store!
Read more
Plakar v1.0.2 was released: mostly S3 improvements!
Plakar v1.0.2 adds an automatic security check for new critical releases. It also fixes relative-path resolution when using an agent, plus delivers dramatic S3 performance and memory improvements for faster, more reliable backups.
Read more
Introducing Plakar v1.0 to redefine Open-Source Data Protection with $3M funding
Immutable, queryable, encrypted snapshots with context and integrity — Kloset redefines how data is stored, verified, and reused
Read more
Kloset: the immutable data store
Immutable, queryable, encrypted snapshots with context and integrity — Kloset redefines how data is stored, verified, and reused
Read more
A Short history of backup
From magnetic tapes to immutable snapshots, how backups evolved into strategic, queryable, open tools ready for modern data challenges
Read more
Plakar 1.0.1-beta.13 out!
New UI filters, timeline navigation, S3 and FTP support, checkpointing, and performance boosts in Plakar’s latest beta release
Read more
Plakar beta.4 and upcoming features
New UI previews, performance boosts, SFTP fixes, CLI testing, packaging on BSDs—beta.4 refines Plakar while previewing what’s next
Read more
Audit of Plakar cryptography
Independent cryptographic audit of Plakar by Jean-Philippe Aumasson confirming a sound overall design, with recommendations to modernize components. Key improvements include switching to Argon2id for password hashing, AES-GCM-SIV for chunk encryption, AES-KW for key wrapping, and replacing SHA-256 digests with keyed BLAKE3 MACs. No major security issues were found, and follow-up review validated the updated architecture, algorithms, and implementation.
Read more
Plakar beta release!
First public beta of Plakar is out: scalable, encrypted, efficient, and open-source backups ready for real-world testing and feedback
Read more
Understanding RTO and RPO in disaster recovery
Learn how RTO and RPO define recovery speed and data loss tolerance—essential metrics for building resilient disaster recovery strategies
Read more
The 3-2-1 backup rule: A proven strategy for data protection
Discover why the 3-2-1 backup rule remains the gold standard for protecting your data from deletion, disasters, and ransomware
Read more
S3 is not a backup: why you need a real backup strategy
S3 offers durable storage, not true backups. Learn why you need dedicated tools for secure, recoverable, and resilient data protection
Read more
Why replication is not backup
Replication ensures availability, not recovery. Learn why true backups remain essential to protect against deletion, corruption, or malicious actions
Read more