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lvm2/tools/args.h
Jonathan Earl Brassow 0c506d9a40 Support the ability to replace specific devices in a RAID array. 
RAID is not like traditional LVM mirroring.  LVM mirroring required failed
devices to be removed or the logical volume would simply hang.  RAID arrays can
keep on running with failed devices.  In fact, for RAID types other than RAID1,
removing a device would mean substituting an error target or converting to a
lower level RAID (e.g. RAID6 -> RAID5, or RAID4/5 to RAID0).  Therefore, rather
than removing a failed device unconditionally and potentially allocating a
replacement, RAID allows the user to "replace" a device with a new one.  This
approach is a 1-step solution vs the current 2-step solution.

example> lvconvert --replace <dev_to_remove> vg/lv [possible_replacement_PVs]

'--replace' can be specified more than once.

example> lvconvert --replace /dev/sdb1 --replace /dev/sdc1 vg/lv
2011-11-30 02:02:10 +00:00

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/*
* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2010 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Put all long args that don't have a corresponding short option first.
*/
/* *INDENT-OFF* */
arg(version_ARG, '\0', "version", NULL, 0)
arg(quiet_ARG, '\0', "quiet", NULL, 0)
arg(physicalvolumesize_ARG, '\0', "setphysicalvolumesize", size_mb_arg, 0)
arg(ignorelockingfailure_ARG, '\0', "ignorelockingfailure", NULL, 0)
arg(nolocking_ARG, '\0', "nolocking", NULL, 0)
arg(pvmetadatacopies_ARG, '\0', "pvmetadatacopies", int_arg, 0)
arg(vgmetadatacopies_ARG, '\0', "vgmetadatacopies", metadatacopies_arg, 0)
arg(metadatacopies_ARG, '\0', "metadatacopies", metadatacopies_arg, 0)
arg(metadatasize_ARG, '\0', "metadatasize", size_mb_arg, 0)
arg(metadataignore_ARG, '\0', "metadataignore", yes_no_arg, 0)
arg(norestorefile_ARG, '\0', "norestorefile", NULL, 0)
arg(restorefile_ARG, '\0', "restorefile", string_arg, 0)
arg(labelsector_ARG, '\0', "labelsector", int_arg, 0)
arg(driverloaded_ARG, '\0', "driverloaded", yes_no_arg, 0)
arg(aligned_ARG, '\0', "aligned", NULL, 0)
arg(unbuffered_ARG, '\0', "unbuffered", NULL, 0)
arg(noheadings_ARG, '\0', "noheadings", NULL, 0)
arg(segments_ARG, '\0', "segments", NULL, 0)
arg(units_ARG, '\0', "units", string_arg, 0)
arg(nosuffix_ARG, '\0', "nosuffix", NULL, 0)
arg(removemissing_ARG, '\0', "removemissing", NULL, 0)
arg(restoremissing_ARG, '\0', "restoremissing", NULL, 0)
arg(abort_ARG, '\0', "abort", NULL, 0)
arg(addtag_ARG, '\0', "addtag", tag_arg, ARG_GROUPABLE)
arg(deltag_ARG, '\0', "deltag", tag_arg, ARG_GROUPABLE)
arg(refresh_ARG, '\0', "refresh", NULL, 0)
arg(mknodes_ARG, '\0', "mknodes", NULL, 0)
arg(minor_ARG, '\0', "minor", minor_arg, 0)
arg(type_ARG, '\0', "type", segtype_arg, 0)
arg(alloc_ARG, '\0', "alloc", alloc_arg, 0)
arg(separator_ARG, '\0', "separator", string_arg, 0)
arg(mirrorsonly_ARG, '\0', "mirrorsonly", NULL, 0)
arg(nosync_ARG, '\0', "nosync", NULL, 0)
arg(resync_ARG, '\0', "resync", NULL, 0)
arg(corelog_ARG, '\0', "corelog", NULL, 0)
arg(mirrorlog_ARG, '\0', "mirrorlog", string_arg, 0)
arg(splitmirrors_ARG, '\0', "splitmirrors", int_arg, 0)
arg(trackchanges_ARG, '\0', "trackchanges", NULL, 0)
arg(replace_ARG, '\0', "replace", string_arg, ARG_GROUPABLE)
arg(repair_ARG, '\0', "repair", NULL, 0)
arg(use_policies_ARG, '\0', "use-policies", NULL, 0)
arg(monitor_ARG, '\0', "monitor", yes_no_arg, 0)
arg(config_ARG, '\0', "config", string_arg, 0)
arg(trustcache_ARG, '\0', "trustcache", NULL, 0)
arg(ignoremonitoring_ARG, '\0', "ignoremonitoring", NULL, 0)
arg(nameprefixes_ARG, '\0', "nameprefixes", NULL, 0)
arg(unquoted_ARG, '\0', "unquoted", NULL, 0)
arg(rows_ARG, '\0', "rows", NULL, 0)
arg(dataalignment_ARG, '\0', "dataalignment", size_kb_arg, 0)
arg(dataalignmentoffset_ARG, '\0', "dataalignmentoffset", size_kb_arg, 0)
arg(virtualoriginsize_ARG, '\0', "virtualoriginsize", size_mb_arg, 0)
arg(noudevsync_ARG, '\0', "noudevsync", NULL, 0)
arg(poll_ARG, '\0', "poll", yes_no_arg, 0)
arg(poolmetadatasize_ARG, '\0', "poolmetadatasize", size_mb_arg, 0)
arg(stripes_long_ARG, '\0', "stripes", int_arg, 0)
arg(sysinit_ARG, '\0', "sysinit", NULL, 0)
arg(thinpool_ARG, '\0', "thinpool", string_arg, 0)
/* Allow some variations */
arg(resizable_ARG, '\0', "resizable", yes_no_arg, 0)
arg(allocation_ARG, '\0', "allocation", yes_no_arg, 0)
/*
* ... and now the short args.
*/
arg(available_ARG, 'a', "available", yes_no_excl_arg, 0)
arg(all_ARG, 'a', "all", NULL, 0)
arg(autobackup_ARG, 'A', "autobackup", yes_no_arg, 0)
arg(activevolumegroups_ARG, 'A', "activevolumegroups", NULL, 0)
arg(background_ARG, 'b', "background", NULL, 0)
arg(blockdevice_ARG, 'b', "blockdevice", NULL, 0)
arg(chunksize_ARG, 'c', "chunksize", size_kb_arg, 0)
arg(clustered_ARG, 'c', "clustered", yes_no_arg, 0)
arg(colon_ARG, 'c', "colon", NULL, 0)
arg(columns_ARG, 'C', "columns", NULL, 0)
arg(contiguous_ARG, 'C', "contiguous", yes_no_arg, 0)
arg(debug_ARG, 'd', "debug", NULL, ARG_COUNTABLE)
arg(exported_ARG, 'e', "exported", NULL, 0)
arg(physicalextent_ARG, 'E', "physicalextent", NULL, 0)
arg(file_ARG, 'f', "file", string_arg, 0)
arg(force_ARG, 'f', "force", NULL, ARG_COUNTABLE)
arg(full_ARG, 'f', "full", NULL, 0)
arg(help_ARG, 'h', "help", NULL, 0)
arg(help2_ARG, '?', "", NULL, 0)
arg(stripesize_ARG, 'I', "stripesize", size_kb_arg, 0)
arg(stripes_ARG, 'i', "stripes", int_arg, 0)
arg(interval_ARG, 'i', "interval", int_arg, 0)
arg(iop_version_ARG, 'i', "iop_version", NULL, 0)
arg(logicalvolume_ARG, 'l', "logicalvolume", int_arg, 0)
arg(maxlogicalvolumes_ARG, 'l', "maxlogicalvolumes", int_arg, 0)
arg(extents_ARG, 'l', "extents", int_arg_with_sign_and_percent, 0)
arg(lvmpartition_ARG, 'l', "lvmpartition", NULL, 0)
arg(list_ARG, 'l', "list", NULL, 0)
arg(size_ARG, 'L', "size", size_mb_arg, 0)
arg(logicalextent_ARG, 'L', "logicalextent", int_arg_with_sign, 0)
arg(persistent_ARG, 'M', "persistent", yes_no_arg, 0)
arg(merge_ARG, '\0', "merge", NULL, 0)
arg(major_ARG, 'j', "major", major_arg, 0)
arg(mirrors_ARG, 'm', "mirrors", int_arg_with_sign, 0)
arg(metadatatype_ARG, 'M', "metadatatype", metadatatype_arg, 0)
arg(maps_ARG, 'm', "maps", NULL, 0)
arg(name_ARG, 'n', "name", string_arg, 0)
arg(oldpath_ARG, 'n', "oldpath", NULL, 0)
arg(nofsck_ARG, 'n', "nofsck", NULL, 0)
arg(novolumegroup_ARG, 'n', "novolumegroup", NULL, 0)
arg(options_ARG, 'o', "options", string_arg, 0)
arg(sort_ARG, 'O', "sort", string_arg, 0)
arg(permission_ARG, 'p', "permission", permission_arg, 0)
arg(maxphysicalvolumes_ARG, 'p', "maxphysicalvolumes", int_arg, 0)
arg(partial_ARG, 'P', "partial", NULL, 0)
arg(physicalvolume_ARG, 'P', "physicalvolume", NULL, 0)
arg(readahead_ARG, 'r', "readahead", readahead_arg, 0)
arg(resizefs_ARG, 'r', "resizefs", NULL, 0)
arg(reset_ARG, 'R', "reset", NULL, 0)
arg(regionsize_ARG, 'R', "regionsize", size_mb_arg, 0)
arg(physicalextentsize_ARG, 's', "physicalextentsize", size_mb_arg, 0)
arg(stdin_ARG, 's', "stdin", NULL, 0)
arg(snapshot_ARG, 's', "snapshot", NULL, 0)
arg(short_ARG, 's', "short", NULL, 0)
arg(thin_ARG, 'T', "thin", NULL, 0)
arg(test_ARG, 't', "test", NULL, 0)
arg(uuid_ARG, 'u', "uuid", NULL, 0)
arg(uuidstr_ARG, 'u', "uuid", string_arg, 0)
arg(uuidlist_ARG, 'U', "uuidlist", NULL, 0)
arg(verbose_ARG, 'v', "verbose", NULL, ARG_COUNTABLE)
arg(volumegroup_ARG, 'V', "volumegroup", NULL, 0)
arg(virtualsize_ARG, 'V', "virtualsize", size_mb_arg, 0)
arg(allocatable_ARG, 'x', "allocatable", yes_no_arg, 0)
arg(resizeable_ARG, 'x', "resizeable", yes_no_arg, 0)
arg(yes_ARG, 'y', "yes", NULL, 0)
arg(zero_ARG, 'Z', "zero", yes_no_arg, 0)
/* this should always be last */
arg(ARG_COUNT, '-', "", NULL, 0)
/* *INDENT-ON* */
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