metadata for Spotlight, a v 28 pool, read-only with net.lundman.zfs (1.3.0)

sh-3.2$ sw_vers
ProductName:	Mac OS X
ProductVersion:	10.10
BuildVersion:	14A298i
sh-3.2$ zpool get readonly zhandy
NAME    PROPERTY  VALUE   SOURCE
zhandy  readonly  on      -
sh-3.2$ zpool status
  pool: zhandy
 state: ONLINE
status: The pool is formatted using a legacy on-disk format.  The pool can
	still be used, but some features are unavailable.
action: Upgrade the pool using 'zpool upgrade'.  Once this is done, the
	pool will no longer be accessible on software that does not support
	feature flags.
  scan: scrub repaired 0 in 9h44m with 0 errors on Sat Jul 19 06:11:53 2014
config:

	NAME        STATE     READ WRITE CKSUM
	zhandy      ONLINE       0     0     0
	  disk3s2   ONLINE       0     0     0

errors: No known data errors
sh-3.2$ sudo mdutil -asv
/:
	Indexing enabled.
	Scan base time: 2014-07-26 12:53:33 +0000 (2059 seconds ago), reasoning: 'ScanCatchupShutdown'
/Volumes/PC-BSD:
	Indexing enabled.
	Scan base time: 2014-07-26 12:53:33 +0000 (2059 seconds ago), reasoning: 'ScanMountError'
/Volumes/zhandy:
	Error: unknown indexing state.
/Volumes/zhandy/.MobileBackups:
2014-07-26 14:27:52.536 mdutil[1250:119169] Metadata.framework [Error]: mdsCopyStoreAttributes failed: (8) (os/kern) no access
	No index.
/Volumes/zhandy/Backups.backupdb:
	Error: unknown indexing state.
sh-3.2$ zpool upgrade
This system supports ZFS pool feature flags.

The following pools are formatted with legacy version numbers and can
be upgraded to use feature flags.  After being upgraded, these pools
will no longer be accessible by software that does not support feature
flags.

VER  POOL
---  ------------
28   zhandy

Use 'zpool upgrade -v' for a list of available legacy versions.
Every feature flags pool has all supported features enabled.
sh-3.2$