lvm.conf

devices {
    dir = "/dev"
    scan = [ "/dev" ]
    obtain_device_list_from_udev = 1
    preferred_names = [ "^/dev/mpath/", "^/dev/mapper/mpath", "^/dev/[hs]d" ]
    filter = [ "a/.*/" ]
    cache_dir = "/etc/lvm/cache"
    cache_file_prefix = ""
    write_cache_state = 1
    sysfs_scan = 1
    multipath_component_detection = 1
    md_component_detection = 1
    md_chunk_alignment = 1
    data_alignment_detection = 1
    data_alignment = 0
    data_alignment_offset_detection = 1
    ignore_suspended_devices = 0
    disable_after_error_count = 0
    require_restorefile_with_uuid = 1
    pv_min_size = 2048
    issue_discards = 1
}
allocation {

    maximise_cling = 1
    mirror_logs_require_separate_pvs = 0
    thin_pool_metadata_require_separate_pvs = 0
}
log {
    verbose = 0
    silent = 0
    syslog = 1
    overwrite = 0
    level = 5
    indent = 1
    command_names = 1
    prefix = "  "
    activation = 1
}
backup {
    backup = 1
    backup_dir = "/etc/lvm/backup"
    archive = 1
    archive_dir = "/etc/lvm/archive"
    retain_min = 10
    retain_days = 30
}
shell {
    history_size = 100
}
global {
    umask = 077
    test = 0
    units = "h"
    si_unit_consistency = 1
    activation = 1
    proc = "/proc"
    locking_type = 1
    wait_for_locks = 1
    fallback_to_clustered_locking = 1
    fallback_to_local_locking = 1
    locking_dir = "/var/lock/lvm"
    prioritise_write_locks = 1
    abort_on_internal_errors = 0
    detect_internal_vg_cache_corruption = 0
    metadata_read_only = 0
    mirror_segtype_default = "mirror"
    use_lvmetad = 0
    thin_check_executable = "/usr/sbin/thin_check"
    thin_check_options = [ "-q" ]
}
activation {
    checks = 0
    udev_sync = 1
    udev_rules = 1
    verify_udev_operations = 0
    retry_deactivation = 1
    missing_stripe_filler = "error"
    use_linear_target = 1
    reserved_stack = 64
    reserved_memory = 8192
    process_priority = -18
    mirror_region_size = 512
    readahead = "auto"
    raid_fault_policy = "warn"
    mirror_log_fault_policy = "allocate"
    mirror_image_fault_policy = "remove"
    snapshot_autoextend_threshold = 100
    snapshot_autoextend_percent = 20
    thin_pool_autoextend_threshold = 100
    thin_pool_autoextend_percent = 20
    use_mlockall = 0
    monitoring = 1
    polling_interval = 15
}
dmeventd {
    mirror_library = "libdevmapper-event-lvm2mirror.so"
    snapshot_library = "libdevmapper-event-lvm2snapshot.so"
    thin_library = "libdevmapper-event-lvm2thin.so"
}