OpenSolaris

1. Community: ZFS
   1. What is ZFS?
   2. Getting Started
   3. ZFS FAQ
   4. Discussions
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      1. ZFS Basics
      2. ZFS Self Healing
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   11. ZTEST
   12. ZFS Boot
       1. ZFS Boot Project FAQ
   13. Data Structures
   14. ZFS Test Suite
   15. Leaders
   16. Translations
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ZFS Pool Version 3

This page describes the features available with version 3 of the ZFS pool on-disk format. This version includes support for the following features:

• Hot spares
• Double-parity RAID-Z (raidz2)
• Improved RAID-Z accounting

These features are available in:

• Solaris Express Community Edition, build 42
• Solaris 10 11/06 release, (build 3)

The related bugs for version 3 changes are as follows:

• 6405966 Hot Spare support in ZFS
• 6417978 double parity RAID-Z a.k.a. RAID6
• 6288488 du reports misleading size on RAID-Z