[lvm-devel] master - make: generate config update
Zdenek Kabelac
zkabelac at sourceware.org
Thu Nov 29 22:12:49 UTC 2018
Gitweb: https://sourceware.org/git/?p=lvm2.git;a=commitdiff;h=fc482406ec4e0607a9d7335ac927c64b361cad1c
Commit: fc482406ec4e0607a9d7335ac927c64b361cad1c
Parent: 4ddd756d6f0729d5f339b0165745cbf61d4ca931
Author: Zdenek Kabelac <zkabelac at redhat.com>
AuthorDate: Thu Nov 29 23:08:05 2018 +0100
Committer: Zdenek Kabelac <zkabelac at redhat.com>
CommitterDate: Thu Nov 29 23:10:08 2018 +0100
make: generate config update
---
conf/example.conf.in | 126 +++++++++++++++++++-------------------------------
1 files changed, 47 insertions(+), 79 deletions(-)
diff --git a/conf/example.conf.in b/conf/example.conf.in
index 2690006..0204f4b 100644
--- a/conf/example.conf.in
+++ b/conf/example.conf.in
@@ -149,18 +149,6 @@ devices {
# This configuration option has an automatic default value.
# global_filter = [ "a|.*/|" ]
- # Configuration option devices/cache_dir.
- # This setting is no longer used.
- cache_dir = "@DEFAULT_SYS_DIR@/@DEFAULT_CACHE_SUBDIR@"
-
- # Configuration option devices/cache_file_prefix.
- # This setting is no longer used.
- cache_file_prefix = ""
-
- # Configuration option devices/write_cache_state.
- # This setting is no longer used.
- write_cache_state = 1
-
# Configuration option devices/types.
# List of additional acceptable block device types.
# These are of device type names from /proc/devices, followed by the
@@ -197,19 +185,24 @@ devices {
fw_raid_component_detection = 0
# Configuration option devices/md_chunk_alignment.
- # Align PV data blocks with md device's stripe-width.
+ # Align the start of a PV data area with md device's stripe-width.
# This applies if a PV is placed directly on an md device.
+ # default_data_alignment will be overriden if it is not aligned
+ # with the value detected for this setting.
+ # This setting is overriden by data_alignment_detection,
+ # data_alignment, and the --dataalignment option.
md_chunk_alignment = 1
# Configuration option devices/default_data_alignment.
- # Default alignment of the start of a PV data area in MB.
- # If set to 0, a value of 64KiB will be used.
- # Set to 1 for 1MiB, 2 for 2MiB, etc.
+ # Align the start of a PV data area with this number of MiB.
+ # Set to 1 for 1MiB, 2 for 2MiB, etc. Set to 0 to disable.
+ # This setting is overriden by data_alignment and the --dataalignment
+ # option.
# This configuration option has an automatic default value.
# default_data_alignment = 1
# Configuration option devices/data_alignment_detection.
- # Detect PV data alignment based on sysfs device information.
+ # Align the start of a PV data area with sysfs io properties.
# The start of a PV data area will be a multiple of minimum_io_size or
# optimal_io_size exposed in sysfs. minimum_io_size is the smallest
# request the device can perform without incurring a read-modify-write
@@ -217,27 +210,29 @@ devices {
# preferred unit of receiving I/O, e.g. MD stripe width.
# minimum_io_size is used if optimal_io_size is undefined (0).
# If md_chunk_alignment is enabled, that detects the optimal_io_size.
- # This setting takes precedence over md_chunk_alignment.
+ # default_data_alignment and md_chunk_alignment will be overriden
+ # if they are not aligned with the value detected for this setting.
+ # This setting is overriden by data_alignment and the --dataalignment
+ # option.
data_alignment_detection = 1
# Configuration option devices/data_alignment.
- # Alignment of the start of a PV data area in KiB.
- # If a PV is placed directly on an md device and md_chunk_alignment or
- # data_alignment_detection are enabled, then this setting is ignored.
- # Otherwise, md_chunk_alignment and data_alignment_detection are
- # disabled if this is set. Set to 0 to use the default alignment or the
- # page size, if larger.
+ # Align the start of a PV data area with this number of KiB.
+ # When non-zero, this setting overrides default_data_alignment.
+ # Set to 0 to disable, in which case default_data_alignment
+ # is used to align the first PE in units of MiB.
+ # This setting is overriden by the --dataalignment option.
data_alignment = 0
# Configuration option devices/data_alignment_offset_detection.
- # Detect PV data alignment offset based on sysfs device information.
- # The start of a PV aligned data area will be shifted by the
+ # Shift the start of an aligned PV data area based on sysfs information.
+ # After a PV data area is aligned, it will be shifted by the
# alignment_offset exposed in sysfs. This offset is often 0, but may
# be non-zero. Certain 4KiB sector drives that compensate for windows
# partitioning will have an alignment_offset of 3584 bytes (sector 7
# is the lowest aligned logical block, the 4KiB sectors start at
# LBA -1, and consequently sector 63 is aligned on a 4KiB boundary).
- # pvcreate --dataalignmentoffset will skip this detection.
+ # This setting is overriden by the --dataalignmentoffset option.
data_alignment_offset_detection = 1
# Configuration option devices/ignore_suspended_devices.
@@ -265,10 +260,6 @@ devices {
# different way, making them a better choice for VG stacking.
ignore_lvm_mirrors = 1
- # Configuration option devices/disable_after_error_count.
- # This setting is no longer used.
- disable_after_error_count = 0
-
# Configuration option devices/require_restorefile_with_uuid.
# Allow use of pvcreate --uuid without requiring --restorefile.
require_restorefile_with_uuid = 1
@@ -837,20 +828,6 @@ global {
# the error messages.
activation = 1
- # Configuration option global/fallback_to_lvm1.
- # This setting is no longer used.
- # This configuration option has an automatic default value.
- # fallback_to_lvm1 = 0
-
- # Configuration option global/format.
- # This setting is no longer used.
- # This configuration option has an automatic default value.
- # format = "lvm2"
-
- # Configuration option global/format_libraries.
- # This setting is no longer used.
- # This configuration option does not have a default value defined.
-
# Configuration option global/segment_libraries.
# This configuration option does not have a default value defined.
@@ -863,22 +840,10 @@ global {
# Location of /etc system configuration directory.
etc = "@CONFDIR@"
- # Configuration option global/locking_type.
- # This setting is no longer used.
- locking_type = 1
-
# Configuration option global/wait_for_locks.
# When disabled, fail if a lock request would block.
wait_for_locks = 1
- # Configuration option global/fallback_to_clustered_locking.
- # This setting is no longer used.
- fallback_to_clustered_locking = 1
-
- # Configuration option global/fallback_to_local_locking.
- # This setting is no longer used.
- fallback_to_local_locking = 1
-
# Configuration option global/locking_dir.
# Directory to use for LVM command file locks.
# Local non-LV directory that holds file-based locks while commands are
@@ -899,11 +864,6 @@ global {
# Search this directory first for shared libraries.
# This configuration option does not have a default value defined.
- # Configuration option global/locking_library.
- # This setting is no longer used.
- # This configuration option has an automatic default value.
- # locking_library = "liblvm2clusterlock.so"
-
# Configuration option global/abort_on_internal_errors.
# Abort a command that encounters an internal error.
# Treat any internal errors as fatal errors, aborting the process that
@@ -992,14 +952,20 @@ global {
# This configuration option has an automatic default value.
# lvdisplay_shows_full_device_path = 0
- # Configuration option global/use_lvmetad.
- # This setting is no longer used.
- use_lvmetad = 0
+ # Configuration option global/event_activation.
+ # Activate LVs based on system-generated device events.
+ # When a device appears on the system, a system-generated event runs
+ # the pvscan command to activate LVs if the new PV completes the VG.
+ # Use auto_activation_volume_list to select which LVs should be
+ # activated from these events (the default is all.)
+ # When event_activation is disabled, the system will generally run
+ # a direct activation command to activate LVs in complete VGs.
+ event_activation = 1
- # Configuration option global/lvmetad_update_wait_time.
- # This setting is no longer used.
+ # Configuration option global/use_aio.
+ # Use async I/O when reading and writing devices.
# This configuration option has an automatic default value.
- # lvmetad_update_wait_time = 0
+ # use_aio = 1
# Configuration option global/use_lvmlockd.
# Use lvmlockd for locking among hosts using LVM on shared storage.
@@ -1681,13 +1647,20 @@ activation {
# vgmetadatacopies = 0
# Configuration option metadata/pvmetadatasize.
- # Approximate number of sectors to use for each metadata copy.
- # VGs with large numbers of PVs or LVs, or VGs containing complex LV
- # structures, may need additional space for VG metadata. The metadata
- # areas are treated as circular buffers, so unused space becomes filled
- # with an archive of the most recent previous versions of the metadata.
+ # The default size of the metadata area in units of 512 byte sectors.
+ # The metadata area begins at an offset of the page size from the start
+ # of the device. The first PE is by default at 1 MiB from the start of
+ # the device. The space between these is the default metadata area size.
+ # The actual size of the metadata area may be larger than what is set
+ # here due to default_data_alignment making the first PE a MiB multiple.
+ # The metadata area begins with a 512 byte header and is followed by a
+ # circular buffer used for VG metadata text. The maximum size of the VG
+ # metadata is about half the size of the metadata buffer. VGs with large
+ # numbers of PVs or LVs, or VGs containing complex LV structures, may need
+ # additional space for VG metadata. The --metadatasize option overrides
+ # this setting.
+ # This configuration option does not have a default value defined.
# This configuration option has an automatic default value.
- # pvmetadatasize = 255
# Configuration option metadata/pvmetadataignore.
# Ignore metadata areas on a new PV.
@@ -1702,11 +1675,6 @@ activation {
# This configuration option is advanced.
# This configuration option has an automatic default value.
# stripesize = 64
-
- # Configuration option metadata/dirs.
- # This setting is no longer used.
- # This configuration option is advanced.
- # This configuration option does not have a default value defined.
# }
# Configuration section report.
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