Windows Registry - Revision history

210.172.128.230: /* Vectorized Raidz */

2024-10-18T02:01:45Z

‎Vectorized Raidz

Lundman: /* Available tunables */

2022-09-16T02:43:56Z

‎Available tunables

Lundman: /* Available tunables */

2022-09-16T02:42:49Z

‎Available tunables

Lundman at 03:25, 19 March 2022

2022-03-19T03:25:34Z

Lundman at 03:25, 19 March 2022

2022-03-19T03:25:16Z

Lundman: /* Vectorized Raidz */

2019-06-27T07:17:51Z

‎Vectorized Raidz

Lundman at 07:17, 27 June 2019

2019-06-27T07:17:00Z

Lundman at 03:17, 3 June 2019

2019-06-03T03:17:57Z

Lundman at 03:09, 3 June 2019

2019-06-03T03:09:52Z

Lundman at 03:09, 3 June 2019

2019-06-03T03:09:31Z

@@ Line 29: / Line 29: @@
 To disable all assembler implementations, create a registry setting:
   "icp_aes_impl" REG_SZ "generic"
   "icp_gcm_impl" REG_SZ "generic"
   "zfs_vdev_raidz_impl" REG_SZ "original"
   "zfs_fletcher_4_impl" REG_SZ "scalar"

@@ Line 45: / Line 45: @@
 As of 2022, the tunables are now written to the Registry when you install OpenZFS, so all
 available tunables are visible there. This list below is now obsolete.
+<hr>
 The ZFS tunables are many and constantly changing. The easiest way to display them all is to run the  [[Windows_kstat|kstat]] program. <- Not true
-Obsolete ~~Complete~~ list as of 2019-06-03:
+Obsolete <s>Complete</s> list as of 2019-06-03:
          active_vnodes

@@ Line 43: / Line 43: @@
 === Available tunables ===
-The ZFS tunables are many and constantly changing. The easiest way to display them all is to run the  [[Windows_kstat|kstat]] program.
+As of 2022, the tunables are now written to the Registry when you install OpenZFS, so all
-Complete list as of 2019-06-03:
+The ZFS tunables are many and constantly changing. The easiest way to display them all is to run the  [[Windows_kstat|kstat]] program. <- Not true
          active_vnodes

← Older revision		Revision as of 03:25, 19 March 2022
Line 5:		Line 5:

	'''\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ZFSin''' old		'''\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ZFSin''' old
		+
	'''\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\OpenZFS''' new		'''\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\OpenZFS''' new

@@ Line 4: / Line 4: @@
 Open ZFS uses the Registry for default tunable values which is read in on startup.
-'''\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ZFSin'''
+'''\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ZFSin''' old
 === hostid ===

@@ Line 33: / Line 33: @@
 Which would set the implementations to use the standard C versions. The
-default value is ''fastest'' which picks the highest available. Examples are
+default value is '''fastest''' which picks the highest available. Examples are
-  zfs_vdev_raidz_impl: scalar sse2 ssse3
+  zfs_vdev_raidz_impl: [original] scalar sse2 ssse3
   icp_gcm_impl_get: cycle fastest [generic]
   icp_aes_impl_get: cycle fastest [generic] x86_64 aesni
   zfs_fletcher_4_impl_get: fastest [scalar] superscalar superscalar4 sse2 ssse3
 === Available tunables ===

← Older revision		Revision as of 07:17, 27 June 2019
Line 19:		Line 19:

	and reboot. If you wish to change it on a running system without rebooting, see the [[Windows_kstat\|kstat]] example.		and reboot. If you wish to change it on a running system without rebooting, see the [[Windows_kstat\|kstat]] example.
		+
		+	=== Vectorized Raidz ===
		+
		+	There are a few vectorized implementations to chose from, due to a lack of
		+	kstat porting, we can not display the method used or available. It is
		+	printed on the debug console.
		+
		+	To disable all assembler implementations, create a registry setting:
		+	"icp_aes_impl" REG_SZ "generic"
		+	"icp_gcm_impl" REG_SZ "generic"
		+	"zfs_vdev_raidz_impl" REG_SZ "original"
		+	"zfs_fletcher_4_impl" REG_SZ "scalar"
		+
		+	Which would set the implementations to use the standard C versions. The
		+	default value is ''fastest'' which picks the highest available. Examples are
		+	zfs_vdev_raidz_impl: scalar sse2 ssse3
		+	icp_gcm_impl_get: cycle fastest [generic]
		+	icp_aes_impl_get: cycle fastest [generic] x86_64 aesni
		+	zfs_fletcher_4_impl_get: fastest [scalar] superscalar superscalar4 sse2 ssse3

	=== Available tunables ===		=== Available tunables ===

← Older revision		Revision as of 03:17, 3 June 2019
Line 19:		Line 19:

	and reboot. If you wish to change it on a running system without rebooting, see the [[Windows_kstat\|kstat]] example.		and reboot. If you wish to change it on a running system without rebooting, see the [[Windows_kstat\|kstat]] example.
		+
		+	=== Available tunables ===
		+
		+	The ZFS tunables are many and constantly changing. The easiest way to display them all is to run the [[Windows_kstat\|kstat]] program.
		+
		+	Complete list as of 2019-06-03:
		+
		+	active_vnodes
		+	aggregation_limit
		+	arc_lotsfree_percent
		+	arc_reduce_dnlc_percent
		+	async_read_max_active
		+	async_read_min_active
		+	async_write_max_active
		+	async_write_max_dirty_pct
		+	async_write_min_active
		+	async_write_min_dirty_pct
		+	create_negatives
		+	crtime
		+	dbuf_cache_max_bytes
		+	force_formd_normalized
		+	fzap_default_block_shift
		+	hostid
		+	ignore_negatives
		+	ignore_positives
		+	l2arc_feed_again
		+	l2arc_feed_min_ms
		+	l2arc_feed_secs
		+	l2arc_headroom
		+	l2arc_headroom_boost
		+	l2arc_max_block_size
		+	l2arc_noprefetch
		+	l2arc_norw
		+	l2arc_write_boost
		+	l2arc_write_max
		+	max_active
		+	metaslab_aliquot
		+	metaslab_df_alloc_threshold
		+	metaslab_df_free_pct
		+	read_gap_limit
		+	reclaim_nodes
		+	scrub_max_active
		+	scrub_min_active
		+	skip_unlinked_drain
		+	snaptime
		+	spa_asize_inflation
		+	spa_max_replication_override
		+	spa_mode_global
		+	spa_version
		+	sync_read_max_active
		+	sync_read_min_active
		+	sync_write_max_active
		+	sync_write_min_active
		+	use_system_sync
		+	vdev_mirror_shift
		+	vnop_debug
		+	write_gap_limit
		+	zfetch_array_rd_sz
		+	zfetch_max_streams
		+	zfetch_min_sec_reap
		+	zfs_arc_average_blocksize
		+	zfs_arc_grow_retry
		+	zfs_arc_max
		+	zfs_arc_meta_limit
		+	zfs_arc_meta_min
		+	zfs_arc_min
		+	zfs_arc_p_min_shift
		+	zfs_arc_shrink_shift
		+	zfs_default_bs
		+	zfs_default_ibs
		+	zfs_delay_max_ns
		+	zfs_delay_min_dirty_percent
		+	zfs_delay_scale
		+	zfs_dirty_data_max
		+	zfs_dirty_data_sync
		+	zfs_flags
		+	zfs_free_bpobj_enabled
		+	zfs_immediate_write_sz
		+	zfs_lua_max_instrlimit
		+	zfs_lua_max_memlimit
		+	zfs_mdcomp_disable
		+	zfs_no_scrub_io
		+	zfs_no_scrub_prefetch
		+	zfs_nocacheflush
		+	zfs_prefetch_disable
		+	zfs_read_chunk_size
		+	zfs_recover
		+	zfs_recv_queue_length
		+	zfs_scrub_limit
		+	zfs_send_corrupt_data
		+	zfs_send_holes_without_brth_tm
		+	zfs_send_queue_length
		+	zfs_send_set_freerecords_bit
		+	zfs_send_unmodified_spill_bloc
		+	zfs_special_class_metadata_res
		+	zfs_trim_extent_bytes_max
		+	zfs_trim_extent_bytes_min
		+	zfs_trim_metaslab_skip
		+	zfs_trim_queue_limit
		+	zfs_trim_txg_batch
		+	zfs_txg_timeout
		+	zfs_vdev_cache_bshift
		+	zfs_vdev_cache_max
		+	zfs_vdev_cache_size
		+	zfs_vdev_file_size_mismatch_cn
		+	zfs_vdev_queue_depth_pct
		+	zfs_write_implies_delete_child
		+	zil_replay_disable
		+	zio_dva_throttle_enabled
		+	zio_injection_enabled
		+	zpl_version
		+	zvol_immediate_write_sz
		+	zvol_inhibit_dev

@@ Line 5: / Line 5: @@
 '''\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ZFSin'''
 The Registry key '''hostid''' is generally handled by OpenZFS internally, ie, generated randomly if it is not set the first time Open ZFS is loaded.
 You can change '''hostid''' if that is so desired. For example, if you share the pool between multiple Operating Systems on the same Hardware.

@@ Line 6: / Line 6: @@
 '''\HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\ZFSin'''
-The Registry key '''hostid''' is generally done automatically, ie, generated randomly if not set the first time Open ZFS is loaded.
+The Registry key '''hostid''' is generally handled by OpenZFS internally, ie, generated randomly if it is not set the first time Open ZFS is loaded.
-You can change if that is so desired. For example, if you share the pool between multiple Operating Systems on the same Hardware.
+You can change '''hostid''' if that is so desired. For example, if you share the pool between multiple Operating Systems on the same Hardware.
 === Arc Max ===