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conf: add metadata/record_lvs_history configuration setting

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The metadata/record_lvs_history is global switch which enables or
disables recording historical LVs in metadata.

If both metadata/record_lvs_history=1 lvm.conf option and
--nohistory command switch is used at the same time, the
--nohistory prevails.
This commit is contained in:
Peter Rajnoha 2016-03-01 15:25:49 +01:00
parent b1399090cd
commit ccebf3100d
3 changed files with 10 additions and 2 deletions
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7
lib/config/config_settings.h
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@ -1360,6 +1360,13 @@ cfg(metadata_check_pv_device_sizes_CFG, "check_pv_device_sizes", metadata_CFG_SE
"less than corresponding PV size. You should not disable this unless\n"
"you are absolutely sure about what you are doing!\n")
cfg(metadata_record_lvs_history_CFG, "record_lvs_history", metadata_CFG_SECTION, CFG_DEFAULT_COMMENTED, CFG_TYPE_BOOL, DEFAULT_RECORD_LVS_HISTORY, vsn(2, 2, 145), NULL, 0, NULL,
"When enabled, LVM keeps history records about removed LVs in\n"
"metadata. The information that is recorded in metadata for\n"
"historical LVs is reduced when compared to original\n"
"information kept in metadata for live LVs. Currently, this\n"
"feature is supported for thin and thin snapshot LVs only.\n")
cfg(metadata_pvmetadatacopies_CFG, "pvmetadatacopies", metadata_CFG_SECTION, CFG_ADVANCED | CFG_DEFAULT_COMMENTED, CFG_TYPE_INT, DEFAULT_PVMETADATACOPIES, vsn(1, 0, 0), NULL, 0, NULL,
"Number of copies of metadata to store on each PV.\n"
"The --pvmetadatacopies option overrides this setting.\n"

1
lib/config/defaults.h
View File

@ -128,6 +128,7 @@
#define DEFAULT_FORMAT "lvm2"
#define DEFAULT_STRIPESIZE 64 /* KB */
#define DEFAULT_RECORD_LVS_HISTORY 0
#define DEFAULT_PVMETADATAIGNORE 0
#define DEFAULT_PVMETADATASIZE 255
#define DEFAULT_PVMETADATACOPIES 1

4
tools/lvmcmdline.c
View File

@ -1102,8 +1102,8 @@ static int _get_settings(struct cmd_context *cmd)
cmd->include_foreign_vgs = arg_is_set(cmd, foreign_ARG) ? 1 : 0;
cmd->include_shared_vgs = arg_is_set(cmd, shared_ARG) ? 1 : 0;
cmd->include_historical_lvs = arg_is_set(cmd, history_ARG) ? 1 : 0;
cmd->include_historical_lvs = arg_is_set(cmd, history_ARG) ? 1 : 0;
cmd->record_historical_lvs = arg_is_set(cmd, nohistory_ARG) ? 0 : 1;
cmd->record_historical_lvs = find_config_tree_bool(cmd, metadata_record_lvs_history_CFG, NULL) ?
(arg_is_set(cmd, nohistory_ARG) ? 0 : 1) : 0;
/*
* This is set to zero by process_each which wants to print errors