изменить макет логического тома (Change logical volume layout)
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
—