ZFS Pool Versions

1 

Solaris 10 6/06 

Initial ZFS version  

2  

Solaris 10 11/06 

Ditto blocks (replicated metadata)  

3 

Solaris 10 11/06 

Hot spares and double parity RAID-Z 

4 

Solaris 10 8/07 

zpool history

5  

Solaris 10 10/08 

gzip compression algorithm

6  

Solaris 10 10/08 

bootfs pool property

7  

Solaris 10 10/08 

Separate intent log devices  

8  

Solaris 10 10/08 

Delegated administration  

9  

Solaris 10 10/08 

refquota and refreservation properties

10  

Solaris 10 5/09 

Cache devices 

11  

Solaris 10 10/09 

Improved scrub performance 

12  

Solaris 10 10/09 

Snapshot properties  

13  

Solaris 10 10/09 

snapused property

14  

Solaris 10 10/09 

aclinherit passthrough-x property

15  

Solaris 10 10/09 

user and group space accounting 

16 

Solaris 10 9/10 

stmf property support

17 

Solaris 10 9/10 

Triple-parity RAID-Z 

18  

Solaris 10 9/10 

Snapshot user holds 

19 

Solaris 10 9/10 

Log device removal 

20  

Solaris 10 9/10 

Compression using zle (zero-length encoding)

21  

Solaris 10 9/10 

Reserved 

22 

Solaris 10 9/10 

Received properties