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File Storage · head to head

Ceph vs PeaZip

Ceph logo

Ceph

File Storage

Open source distributed storage providing object, block and file from one cluster

From
Free
Rated
-
Full reviewWebsite
PeaZip logo

PeaZip

Utilities

Open-source archive manager for Windows and Linux supporting more than two hundred formats

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Ceph ceph assumes an operator who understands placement groups, CRUSH rules and recovery tuning, so organisations without dedicated storage staff routinely end up with a cluster that works until the first failure and then does not.; PeaZip there is no supported macOS build, so any organisation with Mac users has to standardise on something else or maintain two tools.
  • They diverge on capability: Ceph covers RADOS object store, PeaZip covers Wide format support.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Ceph and PeaZip actually diverge.

Attributes where Ceph and PeaZip differ
AttributeCephPeaZip
PlatformsLinuxWindows, Linux, BSD
CategoryFile StorageUtilities

Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Ceph

  • RADOS object store
  • RADOS Gateway
  • RBD block devices
  • CephFS
  • CRUSH placement
  • Erasure coded pools

Only in PeaZip

  • Wide format support
  • Strong encryption
  • Secure delete
  • Checksums and hashes
  • Split and join
  • Portable builds

What people use each for

The jobs each tool is most often brought in to do.

Ceph

  • Backing a private cloud where virtual machine disks, shared filesystems and an S3 endpoint all need the same hardwarenot PeaZip
  • Growing past the point where a proprietary array upgrade costs more than a rack of commodity serversnot PeaZip
  • Research and media environments with petabytes of data and staff who can operate storagenot PeaZip
  • Providing an S3 endpoint on premises with multi site replication under your own controlnot PeaZip

PeaZip

  • Opening old or unusual archive formats that current tools refusenot Ceph
  • Sending encrypted archives outside the organisation with a keyfile as well as a passwordnot Ceph
  • Deploying one archiver across Windows and Linux desktops with the same interface and behaviournot Ceph
  • Running from a USB stick on machines where software cannot be installednot Ceph

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Ceph

  • Ceph assumes an operator who understands placement groups, CRUSH rules and recovery tuning, so organisations without dedicated storage staff routinely end up with a cluster that works until the first failure and then does not.
  • Small clusters are inefficient: three way replication means a third of raw capacity is usable, and erasure coding needs enough failure domains to be safe, so the economics only work above a certain size.
  • Recovery and rebalancing generate heavy internal traffic, so a failed disk can degrade client latency across the cluster unless backfill is throttled correctly beforehand.
  • Upgrades must follow a strict daemon order across monitors, managers, OSDs and gateways, and a mistake in that order on a live cluster is difficult to reverse.
  • Because it is self hosted, every byte served to the internet is transit you pay for on your own links, so the free licence does not mean free egress and bandwidth planning becomes your problem rather than the providers.

PeaZip

  • There is no supported macOS build, so any organisation with Mac users has to standardise on something else or maintain two tools.
  • It is effectively a single-maintainer project, and for software deployed to every desktop in a company that concentration of risk deserves an explicit decision.
  • The interface exposes a great many options at once and looks dated next to the system archiver, which generates support questions from non-technical users.
  • Bundled backend binaries sometimes trigger antivirus heuristics on managed Windows fleets, so deployment usually needs an allowlist entry prepared in advance.
  • Its own PEA and ARC formats are not readable by other tools, so using them for anything you send externally creates a dependency for the recipient.

Pricing, plan by plan

Ceph

Free
  • CephFree
    • Full functionality, no capacity limit
    • Object, block and file interfaces
    • Community support via mailing list and Slack

PeaZip

Free
  • PeaZipFree
    • LGPLv3 licensed
    • Commercial use permitted
    • All formats and encryption features included

Which should you pick?

Choose Ceph if

  • You need rados object store.
  • You want to start without paying.
  • You work on Linux.
  • You also want rados gateway.
Ceph review

Choose PeaZip if

  • You need wide format support.
  • You want to start without paying.
  • You work on Windows, Linux, BSD.
  • You also want strong encryption.
PeaZip review

Questions people ask

Is Ceph or PeaZip better?
Neither clearly leads. Ceph starts at Free and PeaZip at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Ceph or PeaZip?
Ceph starts at Free and PeaZip at Free.
Does Ceph or PeaZip run on more platforms?
Ceph runs on Linux. PeaZip runs on Windows, Linux, BSD.
Can I use Ceph for free?
Both have a free tier, so you can try either at no cost before committing.
What is Ceph best used for?
Ceph is most often used for backing a private cloud where virtual machine disks, shared filesystems and an s3 endpoint all need the same hardware, growing past the point where a proprietary array upgrade costs more than a rack of commodity servers, research and media environments with petabytes of data and staff who can operate storage, providing an s3 endpoint on premises with multi site replication under your own control. Of those, backing a private cloud where virtual machine disks, shared filesystems and an s3 endpoint all need the same hardware and growing past the point where a proprietary array upgrade costs more than a rack of commodity servers are not what PeaZip is typically brought in for.
What can Ceph do that PeaZip cannot?
Ceph covers RADOS object store, RADOS Gateway, RBD block devices, CephFS. PeaZip covers Wide format support, Strong encryption, Secure delete, Checksums and hashes.

Answered from the vendors’ own pages

Ceph: How many nodes do I need to start?

Three is the practical minimum for a replicated cluster with real fault tolerance, and most production advice starts at five once you account for maintenance windows.

PeaZip: Is PeaZip free for business use?

Yes. It is LGPLv3 licensed with no personal-use restriction and no paid edition.

Ceph: Is it faster than a SAN?

Not on single stream latency. It wins on aggregate throughput and on growing without a forklift upgrade, which is a different property from raw speed.

PeaZip: Does it work on macOS?

No supported build is offered. Mac users need a different archiver.

Ceph: Can I buy support?

Yes. IBM sells IBM Storage Ceph and SUSE and others have offered supported builds; the upstream project itself is free.

PeaZip: How does it differ from 7-Zip?

It uses similar backends but adds far wider format support, a password manager, keyfile two-factor encryption, secure deletion and a graphical front end that also runs on Linux.

Ceph: Should I use it just for S3?

If object is all you need, a dedicated object store is simpler to run. Ceph earns its complexity when you need block and file as well.

PeaZip: Should I use the PEA format?

Only for your own storage. Nothing else reads it, so anything sent to another party should be 7z or ZIP with AES-256.

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