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   lvconvert    ( 8 )

изменить макет логического тома (Change logical volume layout)

  Name  |  Synopsis  |  Description  |  Usage  |  Options  |  Variables  |  Environment variables  |    Advanced usage    |  Note  |  Examples  |  See also  |

Расширенное использование (Advanced usage)

Alternate command forms, advanced command usage, and listing of
       all valid syntax for completeness.

Change the region size of an LV.

lvconvert -R|--regionsize Size[m|UNIT] LV1 [ COMMON_OPTIONS ]

LV1 types: raid

Change the type of mirror log used by a mirror LV.

lvconvert --mirrorlog core|disk LV1 [ COMMON_OPTIONS ] [ PV ... ]

LV1 types: mirror

Convert LV to a thin LV, using the original LV as an external origin.

lvconvert -T|--thin --thinpool LV LV1 [ --type thin ] (implied) [ -r|--readahead auto|none|Number ] [ -c|--chunksize Size[k|UNIT] ] [ -Z|--zero y|n ] [ --originname LV_new ] [ --poolmetadata LV ] [ --poolmetadatasize Size[m|UNIT] ] [ --poolmetadataspare y|n ] [ --metadataprofile String ] [ COMMON_OPTIONS ]

LV1 types: linear striped thin cache raid error zero

Attach a cache pool to an LV.

lvconvert -H|--cache --cachepool LV LV1 [ --type cache ] (implied) [ -Z|--zero y|n ] [ -r|--readahead auto|none|Number ] [ -c|--chunksize Size[k|UNIT] ] [ --cachemetadataformat auto|1|2 ] [ --cachemode writethrough|writeback|passthrough ] [ --cachepolicy String ] [ --cachesettings String ] [ --poolmetadata LV ] [ --poolmetadatasize Size[m|UNIT] ] [ --poolmetadataspare y|n ] [ --metadataprofile String ] [ COMMON_OPTIONS ]

LV1 types: linear striped thinpool vdo vdopool vdopooldata raid

Attach a cache to an LV, converts the LV to type cache.

lvconvert -H|--cache --cachevol LV LV1 [ -Z|--zero y|n ] [ -c|--chunksize Size[k|UNIT] ] [ --cachemetadataformat auto|1|2 ] [ --cachemode writethrough|writeback|passthrough ] [ --cachepolicy String ] [ --cachesettings String ] [ --poolmetadatasize Size[m|UNIT] ] [ COMMON_OPTIONS ]

LV1 types: linear striped thinpool raid

Convert LV to type vdopool.

lvconvert --vdopool LV [ --type vdo-pool ] (implied) [ -r|--readahead auto|none|Number ] [ -Z|--zero y|n ] [ -n|--name LV_new ] [ -V|--virtualsize Size[m|UNIT] ] [ --metadataprofile String ] [ --compression y|n ] [ --deduplication y|n ] [ COMMON_OPTIONS ]

Detach and delete a cache from an LV.

lvconvert --uncache LV1 [ --cachesettings String ] [ COMMON_OPTIONS ]

LV1 types: thinpool cache vdopool writecache

Swap metadata LV in a thin pool or cache pool (for repair only).

lvconvert --swapmetadata --poolmetadata LV LV1 [ -c|--chunksize Size[k|UNIT] ] [ COMMON_OPTIONS ]

LV1 types: thinpool cachepool

Merge LV that was split from a mirror (variant, use --mergemirrors). Merge thin LV into its origin LV (variant, use --mergethin). Merge COW snapshot LV into its origin (variant, use --mergesnapshot).

lvconvert --merge VG|LV1|Tag ... [ -i|--interval Number ] [ COMMON_OPTIONS ]

LV1 types: linear striped snapshot thin raid

Separate a COW snapshot from its origin LV.

lvconvert --splitsnapshot LV1 [ COMMON_OPTIONS ]

LV1 types: snapshot

Combine a former COW snapshot (second arg) with a former origin LV (first arg) to reverse a splitsnapshot command.

lvconvert -s|--snapshot LV LV1 [ --type snapshot ] (implied) [ -c|--chunksize Size[k|UNIT] ] [ -Z|--zero y|n ] [ COMMON_OPTIONS ]

LV1 types: linear striped

Poll LV to continue conversion (also see --startpoll) or waits till conversion/mirror syncing is finished

lvconvert LV1 [ COMMON_OPTIONS ]

LV1 types: mirror raid