ZFS Pool Versions

The following table provides a list of ZFS pool versions that are available in the Oracle Solaris release.

Version	Solaris 10	Description
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
23	Solaris 10 8/11	Slim ZIL
24	Solaris 10 8/11	System attributes
25	Solaris 10 8/11	Improved scrub stats
26	Solaris 10 8/11	Improved snapshot deletion performance
27	Solaris 10 8/11	Improved snapshot creation performance
28	Solaris 10 8/11	Multiple vdev replacements
29	Solaris 10 8/11	RAID-Z/mirror hybrid allocator
30	Solaris 10 1/13	Reserved
31	Solaris 10 1/13	Improved `zfs list` performance
32	Solaris 10 1/13	One MB blocksize

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