Use ZFS The Architect Way

A major system upgrade.
A risky configuration change.
Testing a new application.

On traditional filesystems, recovery usually means restoring from backups.
Sometimes it requires reinstalling the system entirely.

OpenZFS provides tools for managing risk.
Snapshotsdataset propertiescompression, and encryption can be managed directly by the filesystem.

OpenZFS is more than a filesystem.
It is a filesystem and volume manager designed to simplify storage administration.

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FreeBSD Jails

The classic system administration changed a lot in a decade.
Virtualization and container technology went through a remarkable improvement.

They have a stable place in the systems:

  • Virtual machines run almost isolated from the host system.
  • Containers sit on the top of the same kernel bringing a lightweight separation.

FreeBSD Jails don’t compete with containers.
They don’t substitute virtual machines.
Jails just fill a gap.

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