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Reinstate config settings matching the last release until every
case where the generator produces different output has been reviewed
and fresh decisions made about which defaults to expose as protection
against changes in newer releases. We should be trying to reduce, not
increase, this number.
Introduce LVM_TEST_LVMETAD_DEBUG_OPTS to allow to override
default debug opts for lvmetad.
However could be still overloaded on command line:
make check_lvmetad LVM_TEST_LVMETAD_DEBUG_OPTS="-l all"...
Better name for aux function.
First use normal -TERM, and only after a while use -KILL
(leaving some time to correctly finish)
Print INFO about killed processes.
This patch adds supporting code for handling deprecated settings.
Deprecated settings are not displayed by default in lvmconfig output
(except for --type current and --type diff). There's a new
"--showdeprecated" lvmconfig option to display them if needed.
Also, when using lvmconfig --withcomments, the comments with info
about deprecation are displayed for deprecated settings and with
lvmconfig --withversions, the version in which the setting was
deprecated is displayed in addition to the version of introduction.
If using --atversion with a version that is lower than the one
in which the setting was deprecated, the setting is then considered
as not deprecated (simply because at that version it was not
deprecated).
For example:
$ lvmconfig --type default activation
activation {
...
raid_region_size=512
...
}
$ lvmconfig --type default activation --showdeprecated
activation {
...
mirror_region_size=512
raid_region_size=512
...
}
$ lvmconfig --type default activation --showdeprecated --withversions
activation {
...
# Available since version 1.0.0.
# Deprecated since version 2.2.99.
mirror_region_size=512
# Available since version 2.2.99.
raid_region_size=512
...
}
$ lvmconfig --type default activation --showdeprecated --withcomments
activation {
...
# Configuration option activation/mirror_region_size.
# This has been replaced by the activation/raid_region_size
# setting.
# Size (in KB) of each copy operation when mirroring.
# This configuration option is deprecated.
mirror_region_size=512
# Configuration option activation/raid_region_size.
# Size in KiB of each raid or mirror synchronization region.
# For raid or mirror segment types, this is the amount of
# data that is copied at once when initializing, or moved
# at once by pvmove.
raid_region_size=512
...
}
$ lvmconfig --type default activation --withcomments --atversion 2.2.98
activation {
...
# Configuration option activation/mirror_region_size.
# Size (in KB) of each copy operation when mirroring.
mirror_region_size=512
...
}
A preparatory code for marking configuration nodes as deprecated:
- struct cfg_def_item gains 2 new fields ("deprecated_since_version" and "deprecation_comment"
- cfg* macros to handle new fields
- related config_settings.h edits to add new fields for each item (null for all at the moment)
Patch with implementation will follow...
Before this patch:
$ lvmconfig --type list --withversions --withsummary global/use_lvmetad
global/use_lvmetad - Use lvmetad to cache metadata and reduce disk scanning. [2.2.93]
$ lvmconfig --type list --withversions global/use_lvmetad
global/use_lvmetad
With this patch applied:
$ lvmconfig --type list --withversions --withsummary global/use_lvmetad
global/use_lvmetad - Use lvmetad to cache metadata and reduce disk scanning. [2.2.93]
$ lvmconfig --type list --withversions global/use_lvmetad
global/use_lvmetad - [2.2.93]
We're commenting out settings with undefined default values.
The comment character '#' was printed at the very beginning of
the line, it should be placed just at the beginning of the setting,
after the space/tab prefix is printed.
Before this patch:
$ lvmconfig --type default activation
activation {
...
# volume_list=[]
...
}
With this patch applied:
$ lvmconfig --type default activation
activation {
...
# volume_list=[]
...
}
New lvmconf function is using bash associative arrays - however
older systems like RHEL5 doesn't provide this feature. In this case
stay with older variant.
Restore support for use case like this:
aux lvmconf 'tags/@foo {}'
works with systemd activated daemons only as of now
each daemon implementation may decide to signalize its
internal idle state (i.e. all background tasks unrelated to
client threads are finished)
These settings are in the "unsupported" group:
devices/loopfiles
log/activate_file
metadata/disk_areas (section)
metadata/disk_areas/<disk_area> (section)
metadata/disk_areas/<disk_area>/size
metadata/disk_areas/<disk_area>/id
These settings are in the "advanced" group:
devices/dir
devices/scan
devices/types
global/proc
activation/missing_stripe_filler
activation/mlock_filter
metadata/pvmetadatacopies
metadata/pvmetadataignore
metadata/stripesize
metadata/dirs
Also, this patch causes the --ignoreunsupported and --ignoreadvanced
switches to be honoured for all config types (lvmconfig --type).
By default, the --type current and --type diff display unsupported
settings, the other types ignore them - this patch also introduces
--showunsupported switch for all these other types to display even
unsupported settings in their output if needed.
