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man: lvmthin
Clean up inconsistencies in the last change. Improve some bad formatting.
This commit is contained in:
David Teigland
parent
597de5c807
commit
e96a4856e6
333
man/lvmthin.7.in
333
man/lvmthin.7.in
@ -103,7 +103,7 @@ Create an LV that will hold thin pool data.
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.I Example
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.br
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.B # lvcreate \-n pool0 \-L 10G vg
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# lvcreate \-n pool0 \-L 10G vg
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.SS 2. create ThinMetaLV
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@ -113,7 +113,7 @@ Create an LV that will hold thin pool metadata.
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.I Example
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.br
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.B # lvcreate \-n pool0meta \-L 1G vg
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# lvcreate \-n pool0meta \-L 1G vg
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# lvs
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LV VG Attr LSize
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@ -122,16 +122,18 @@ Create an LV that will hold thin pool metadata.
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.SS 3. create ThinPoolLV
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.nf
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Combine the data and metadata LVs into a thin pool LV.
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ThinDataLV is renamed to hidden ThinPoolLV_tdata.
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ThinMetaLV is renamed to hidden ThinPoolLV_tmeta.
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The new ThinPoolLV takes the previous name of ThinDataLV.
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.fi
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.B lvconvert \-\-thinpool VG/ThinDataLV \-\-poolmetadata VG/ThinMetaLV
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.I Example
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.br
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.B # lvconvert \-\-thinpool vg/pool0 \-\-poolmetadata vg/pool0meta
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# lvconvert \-\-thinpool vg/pool0 \-\-poolmetadata vg/pool0meta
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# lvs vg/pool0
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LV VG Attr LSize Pool Origin Data% Meta%
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@ -145,26 +147,26 @@ The new ThinPoolLV takes the previous name of ThinDataLV.
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.SS 4. create ThinLV
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.nf
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Create a new thin LV from the thin pool LV.
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The thin LV is created with a virtual size.
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Multiple new thin LVs may be created in the thin pool.
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Thin LV names must be unique in the VG.
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The thinpool argument specifies which thin pool will
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contain the ThinLV.
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.fi
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.B lvcreate \-n ThinLV \-V VirtualSize \-\-thinpool VG/ThinPoolLV
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.br
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.B lvcreate \-T \-n ThinLV \-V VirtualSize VG/ThinPoolLV
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.I Example
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.br
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Create a thin LV in a thin pool:
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.br
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.B # lvcreate \-T \-n thin1 \-V 1T vg/pool0
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# lvcreate \-n thin1 \-V 1T \-\-thinpool vg/pool0
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Create another thin LV in the same thin pool:
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.br
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.B # lvcreate \-n thin2 \-V 1T \-\-thinpool vg/pool0
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# lvcreate \-n thin2 \-V 1T \-\-thinpool vg/pool0
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# lvs vg/thin1 vg/thin2
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LV VG Attr LSize Pool Origin Data%
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@ -174,9 +176,12 @@ Create another thin LV in the same thin pool:
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.SS 5. create SnapLV
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Create snapshots of an existing ThinLV or SnapLV.
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Do not \fBNOT\fP specify
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.br
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Do not specify
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.BR \-L ", " \-\-size
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since this would not create thin snapshot, but old COW volume.
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when creating a thin snapshot.
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.br
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A size argument will cause an old COW snapshot to be created.
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.B lvcreate \-n SnapLV \-s VG/ThinLV
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.br
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@ -186,15 +191,15 @@ since this would not create thin snapshot, but old COW volume.
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.br
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Create first snapshot of an existing ThinLV:
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.br
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.B # lvcreate \-n thin1s1 \-s vg/thin1
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# lvcreate \-n thin1s1 \-s vg/thin1
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Create second snapshot of the same ThinLV:
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.br
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.B # lvcreate \-n thin1s2 \-s vg/thin1
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# lvcreate \-n thin1s2 \-s vg/thin1
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Create a snapshot of the first snapshot:
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.br
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.B # lvcreate \-n thin1s1s1 \-s vg/thin1s1
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# lvcreate \-n thin1s1s1 \-s vg/thin1s1
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# lvs vg/thin1s1 vg/thin1s2 vg/thin1s1s1
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LV VG Attr LSize Pool Origin
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@ -202,7 +207,6 @@ Create a snapshot of the first snapshot:
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thin1s2 vg Vwi---tz-k 1.00t pool0 thin1
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thin1s1s1 vg Vwi---tz-k 1.00t pool0 thin1s1
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.SS 6. activate SnapLV
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Thin snapshots are created with the persistent "activation skip"
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@ -213,7 +217,7 @@ or vgchange to activate thin snapshots with the "k" attribute.
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.I Example
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.br
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.B # lvchange \-ay \-K vg/thin1s1
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# lvchange \-ay \-K vg/thin1s1
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# lvs vg/thin1s1
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LV VG Attr LSize Pool Origin
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@ -286,11 +290,11 @@ to use fast devices for the metadata LV.
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.I Example
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.br
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.B # lvcreate \-n pool0 \-L 10G vg /dev/sdA
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.br
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.B # lvcreate \-n pool0meta \-L 1G vg /dev/sdB
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.br
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.B # lvconvert \-\-thinpool vg/pool0 \-\-poolmetadata vg/pool0meta
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.nf
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# lvcreate \-n pool0 \-L 10G vg /dev/sdA
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# lvcreate \-n pool0meta \-L 1G vg /dev/sdB
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# lvconvert \-\-thinpool vg/pool0 \-\-poolmetadata vg/pool0meta
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.fi
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.BR lvm.conf (5)
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.B thin_pool_metadata_require_separate_pvs
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@ -314,11 +318,11 @@ pool metadata LV. This is especially recommended for pool metadata LVs.
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.I Example
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.br
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.B # lvcreate \-\-type raid1 \-m 1 \-n pool0 \-L 10G vg /dev/sdA /dev/sdB
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.br
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.B # lvcreate \-\-type raid1 \-m 1 \-n pool0meta \-L 1G vg /dev/sdC /dev/sdD
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.br
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.B # lvconvert \-\-thinpool vg/pool0 \-\-poolmetadata vg/pool0meta
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.nf
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# lvcreate \-\-type raid1 \-m 1 \-n pool0 \-L 10G vg /dev/sdA /dev/sdB
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# lvcreate \-\-type raid1 \-m 1 \-n pool0meta \-L 1G vg /dev/sdC /dev/sdD
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# lvconvert \-\-thinpool vg/pool0 \-\-poolmetadata vg/pool0meta
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.fi
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.SS Spare metadata LV
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@ -339,17 +343,18 @@ One pmspare LV is kept in a VG to be used for any thin pool.
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The pmspare LV cannot be created explicitly, but may be removed
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explicitly.
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.I Example
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.br
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.nf
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Example
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# lvcreate \-n pool0 \-L 10G vg
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# lvcreate \-n pool0meta \-L 10G vg
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# lvcreate \-n pool0meta \-L 1G vg
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# lvconvert \-\-thinpool vg/pool0 \-\-poolmetadata vg/pool0meta
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# lvs \-a
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[lvol0_pmspare] vg ewi------- 10.00g
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pool0 vg twi---tz-- 10.00g
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[pool0_tdata] vg Twi------- 10.00g
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[pool0_tmeta] vg ewi------- 1.00g
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[lvol0_pmspare] vg ewi------- 10.00g
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pool0 vg twi---tz-- 10.00g
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[pool0_tdata] vg Twi------- 10.00g
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[pool0_tmeta] vg ewi------- 1.00g
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.fi
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The "Metadata check and repair" section describes the use of
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@ -383,9 +388,8 @@ the thin pool LV is not activated, and the thin pool metadata should
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be repaired.
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Command to repair a thin pool:
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.nf
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lvconvert \-\-repair VG/ThinPoolLV
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.fi
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.br
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.B lvconvert \-\-repair VG/ThinPoolLV
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Repair performs the following steps:
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@ -413,9 +417,7 @@ If metadata is manually restored with thin_repair directly,
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the pool metadata LV can be manually swapped with another LV
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containing new metadata:
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.nf
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lvconvert \-\-thinpool VG/ThinPoolLV \-\-poolmetadata VG/NewThinMetaLV
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.fi
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.B lvconvert \-\-thinpool VG/ThinPoolLV \-\-poolmetadata VG/NewThinMetaLV
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.SS Automatic pool metadata LV
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@ -426,18 +428,20 @@ A thin data LV can be converted to a thin pool LV without
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specifying a thin pool metadata LV. LVM will automatically
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create a metadata LV from the same VG.
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.nf
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lvcreate \-n ThinDataLV \-L LargeSize VG
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lvconvert \-\-thinpool VG/ThinDataLV
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.B lvcreate \-n ThinDataLV \-L LargeSize VG
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.br
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.B lvconvert \-\-thinpool VG/ThinDataLV
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Example
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.I Example
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.br
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.nf
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# lvcreate \-n pool0 \-L 10G vg
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# lvconvert \-\-thinpool vg/pool0
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# lvs \-a
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pool0 vg twi-a-tz-- 10.00g
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[pool0_tdata] vg Twi-ao---- 10.00g
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[pool0_tmeta] vg ewi-ao---- 16.00m
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pool0 vg twi-a-tz-- 10.00g
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[pool0_tdata] vg Twi-ao---- 10.00g
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[pool0_tmeta] vg ewi-ao---- 16.00m
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.fi
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@ -451,8 +455,8 @@ displayed by lvs:
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.nf
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# lvs vg/thin1s1
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LV VG Attr LSize Pool Origin
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thin1s1 vg Vwi---tz-k 1.00t pool0 thin1
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LV VG Attr LSize Pool Origin
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thin1s1 vg Vwi---tz-k 1.00t pool0 thin1
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.fi
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This flag causes the snapshot LV to be skipped, i.e. not activated,
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@ -464,9 +468,8 @@ the \-K (or \-\-ignoreactivationskip) option in addition to the
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standard \-ay (or \-\-activate y) option.
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Command to activate a thin snapshot LV:
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.nf
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lvchange \-ay \-K VG/SnapLV
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.fi
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.br
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.B lvchange \-ay \-K VG/SnapLV
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The persistent "activation skip" flag can be turned off during
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lvcreate, or later with lvchange using the \-kn
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@ -478,14 +481,12 @@ commands will activate the LV, and the \-K activation option is
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not needed.
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Command to create snapshot LV without the activation skip flag:
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.nf
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lvcreate \-\-type thin \-n SnapLV \-kn \-s ThinLV \-\-thinpool VG/ThinPoolLV
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.fi
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.br
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.B lvcreate \-kn \-n SnapLV \-s VG/ThinLV
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Command to remove the activation skip flag from a snapshot LV:
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.nf
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lvchange \-kn VG/SnapLV
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.fi
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.br
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.B lvchange \-kn VG/SnapLV
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.BR lvm.conf (5)
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.B auto_set_activation_skip
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@ -518,24 +519,25 @@ The available free space in a thin pool LV can be displayed
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with the lvs command. Free space can be added by extending
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the thin pool LV.
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.nf
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Command to extend thin pool data space:
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lvextend \-L Size VG/ThinPoolLV
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Example
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.br
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.B lvextend \-L Size VG/ThinPoolLV
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.I Example
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.br
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.nf
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1. A thin pool LV is using 26.96% of its data blocks.
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# lvs
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LV VG Attr LSize Pool Origin Data%
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pool0 vg twi-a-tz-- 10.00g 26.96
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LV VG Attr LSize Pool Origin Data%
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pool0 vg twi-a-tz-- 10.00g 26.96
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2. Double the amount of physical space in the thin pool LV.
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# lvextend \-L+10G vg/pool0
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3. The percentage of used data blocks is half the previous value.
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# lvs
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LV VG Attr LSize Pool Origin Data%
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pool0 vg twi-a-tz-- 20.00g 13.48
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LV VG Attr LSize Pool Origin Data%
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pool0 vg twi-a-tz-- 20.00g 13.48
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.fi
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Other methods of increasing free data space in a thin pool LV
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@ -551,26 +553,25 @@ The available metadata space in a thin pool LV can be displayed
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with the lvs \-o+metadata_percent command.
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Command to extend thin pool metadata space:
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.nf
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lvextend \-L Size VG/ThinPoolLV_tmeta
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.fi
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Example
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.br
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.B lvextend \-L Size VG/ThinPoolLV_tmeta
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.I Example
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.br
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1. A thin pool LV is using 12.40% of its metadata blocks.
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.nf
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# lvs \-oname,size,data_percent,metadata_percent vg/pool0
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LV LSize Data% Meta%
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pool0 20.00g 13.48 12.40
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LV LSize Data% Meta%
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pool0 20.00g 13.48 12.40
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.fi
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2. Display a thin pool LV with its component thin data LV and thin metadata LV.
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.nf
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# lvs \-a \-oname,attr,size vg
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LV Attr LSize
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pool0 twi-a-tz-- 20.00g
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[pool0_tdata] Twi-ao---- 20.00g
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[pool0_tmeta] ewi-ao---- 12.00m
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LV Attr LSize
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pool0 twi-a-tz-- 20.00g
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[pool0_tdata] Twi-ao---- 20.00g
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[pool0_tmeta] ewi-ao---- 12.00m
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.fi
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3. Double the amount of physical space in the thin metadata LV.
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@ -581,10 +582,10 @@ pool0 twi-a-tz-- 20.00g
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4. The percentage of used metadata blocks is half the previous value.
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.nf
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# lvs \-a \-oname,size,data_percent,metadata_percent vg
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LV LSize Data% Meta%
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pool0 20.00g 13.48 6.20
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[pool0_tdata] 20.00g
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[pool0_tmeta] 24.00m
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LV LSize Data% Meta%
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pool0 20.00g 13.48 6.20
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[pool0_tdata] 20.00g
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[pool0_tmeta] 24.00m
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.fi
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@ -598,8 +599,8 @@ the fstrim command can return space back to the thin pool that had
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been used by removed files. fstrim uses discards and will not work
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if the thin pool LV has discards mode set to ignore.
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Example
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.I Example
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.br
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A thin pool has 10G of physical data space, and a thin LV has a virtual
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size of 100G. Writing a 1G file to the file system reduces the
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free space in the thin pool by 10% and increases the virtual usage
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@ -658,9 +659,7 @@ LVs.
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Command to enable or disable the monitoring and automatic extension
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of an existing thin pool LV:
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.nf
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lvchange \-\-monitor {y|n} VG/ThinPoolLV
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.fi
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.B lvchange \-\-monitor {y|n} VG/ThinPoolLV
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.BR lvm.conf (5)
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.B thin_pool_autoextend_threshold thin_pool_autoextend_percent
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@ -679,8 +678,8 @@ be added to the thin pool, in percent of its current size.
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Warnings are emitted through syslog when the use of a pool reaches 80%,
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85%, 90% and 95%.
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Example
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.I Example
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.br
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If thin_pool_autoextend_threshold is 70 and thin_pool_autoextend_percent is 20,
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whenever a pool exceeds 70% usage, it will be extended by another 20%.
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For a 1G pool, using 700M will trigger a resize to 1.2G. When the usage exceeds
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@ -699,8 +698,8 @@ the thin pool LV:
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.nf
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# lvs vg/pool0
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LV VG Attr LSize Pool Origin Data%
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pool0 vg twi-a-tz-- 512.00m 100.00
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LV VG Attr LSize Pool Origin Data%
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pool0 vg twi-a-tz-- 512.00m 100.00
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.fi
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A thin pool can run out of data blocks for any of the following reasons:
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@ -735,8 +734,8 @@ for the thin pool LV:
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.nf
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# lvs \-o lv_name,size,data_percent,metadata_percent vg/pool0
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LV LSize Data% Meta%
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pool0 100.00
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LV LSize Data% Meta%
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pool0 100.00
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.fi
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The same reasons for thin pool data space exhaustion apply to thin pool
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@ -769,14 +768,12 @@ indicated by the "z" attribute displayed by lvs. The option \-Z
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(or \-\-zero) can be added to commands to specify the zeroing mode.
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Command to set the zeroing mode when creating a thin pool LV:
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.nf
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lvconvert \-Z{y|n} \-\-thinpool VG/ThinDataLV \-\-poolmetadata VG/ThinMetaLV
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.fi
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.br
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.B lvconvert \-Z{y|n} \-\-thinpool VG/ThinDataLV \-\-poolmetadata VG/ThinMetaLV
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Command to change the zeroing mode of an existing thin pool LV:
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.nf
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lvchange \-Z{y|n} VG/ThinPoolLV
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.fi
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.br
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.B lvchange \-Z{y|n} VG/ThinPoolLV
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If zeroing mode is changed from "n" to "y", previously provisioned
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blocks are not zeroed.
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@ -808,23 +805,22 @@ pass the discards down the the underlying device. This is the default
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mode.
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Command to display the current discard mode of a thin pool LV:
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.nf
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lvs \-o+discards VG/ThinPoolLV
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.fi
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.br
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.B lvs \-o+discards VG/ThinPoolLV
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Command to set the discard mode when creating a thin pool LV:
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.nf
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lvconvert \-\-discards {ignore|nopassdown|passdown}
|
||||
\-\-thinpool VG/ThinDataLV \-\-poolmetadata VG/ThinMetaLV
|
||||
.fi
|
||||
.br
|
||||
.B lvconvert \-\-discards {ignore|nopassdown|passdown}
|
||||
.br
|
||||
.B " " \-\-thinpool VG/ThinDataLV \-\-poolmetadata VG/ThinMetaLV
|
||||
|
||||
Command to change the discard mode of an existing thin pool LV:
|
||||
.nf
|
||||
lvchange \-\-discards {ignore|nopassdown|passdown} VG/ThinPoolLV
|
||||
.fi
|
||||
.br
|
||||
.B lvchange \-\-discards {ignore|nopassdown|passdown} VG/ThinPoolLV
|
||||
|
||||
.I Example
|
||||
.br
|
||||
.nf
|
||||
Example
|
||||
# lvs \-o name,discards vg/pool0
|
||||
pool0 passdown
|
||||
|
||||
@ -851,12 +847,14 @@ a larger value is optimal. To optimize for a lot of snapshotting,
|
||||
a smaller value reduces copying time and consumes less space.
|
||||
|
||||
Command to display the thin pool LV chunk size:
|
||||
.nf
|
||||
lvs \-o+chunksize VG/ThinPoolLV
|
||||
.br
|
||||
.B lvs \-o+chunksize VG/ThinPoolLV
|
||||
|
||||
Example
|
||||
.I Example
|
||||
.br
|
||||
.nf
|
||||
# lvs \-o name,chunksize
|
||||
pool0 64.00k
|
||||
pool0 64.00k
|
||||
.fi
|
||||
|
||||
.BR lvm.conf (5)
|
||||
@ -895,19 +893,19 @@ to take thin snapshots of external, read only LVs. Writes to the
|
||||
snapshot are stored in the thin pool, and the external LV is used
|
||||
to read unwritten parts of the thin snapshot.
|
||||
|
||||
.nf
|
||||
lvcreate \-\-type thin \-n SnapLV \-s VG/ExternalOriginLV
|
||||
\-\-thinpool VG/ThinPoolLV
|
||||
.B lvcreate \-n SnapLV \-s VG/ExternalOriginLV \-\-thinpool VG/ThinPoolLV
|
||||
|
||||
Example
|
||||
.I Example
|
||||
.br
|
||||
.nf
|
||||
# lvchange \-an vg/lve
|
||||
# lvchange \-\-permission r vg/lve
|
||||
# lvcreate \-\-type thin \-n snaplve \-s vg/lve \-\-thinpool vg/pool0
|
||||
# lvcreate \-n snaplve \-s vg/lve \-\-thinpool vg/pool0
|
||||
|
||||
# lvs vg/lve vg/snaplve
|
||||
LV VG Attr LSize Pool Origin Data%
|
||||
lve vg ori------- 10.00g
|
||||
snaplve vg Vwi-a-tz-- 10.00g pool0 lve 0.00
|
||||
LV VG Attr LSize Pool Origin Data%
|
||||
lve vg ori------- 10.00g
|
||||
snaplve vg Vwi-a-tz-- 10.00g pool0 lve 0.00
|
||||
.fi
|
||||
|
||||
|
||||
@ -927,23 +925,25 @@ Convert ExampleLV into a read only external LV with the new name
|
||||
NewExternalOriginLV, and create a new thin LV that is given the previous
|
||||
name of ExampleLV.
|
||||
|
||||
.nf
|
||||
lvconvert \-\-type thin \-\-thinpool VG/ThinPoolLV
|
||||
\-\-originname NewExternalOriginLV \-\-thin VG/ExampleLV
|
||||
.B lvconvert \-\-type thin \-\-thinpool VG/ThinPoolLV
|
||||
.br
|
||||
.B " " \-\-originname NewExternalOriginLV \-\-thin VG/ExampleLV
|
||||
|
||||
Example
|
||||
.I Example
|
||||
.br
|
||||
.nf
|
||||
# lvcreate \-n lv_example \-L 10G vg
|
||||
|
||||
# lvs
|
||||
lv_example vg -wi-a----- 10.00g
|
||||
lv_example vg -wi-a----- 10.00g
|
||||
|
||||
# lvconvert \-\-type thin \-\-thinpool vg/pool0
|
||||
\-\-originname lv_external \-\-thin vg/lv_example
|
||||
|
||||
# lvs
|
||||
LV VG Attr LSize Pool Origin
|
||||
lv_example vg Vwi-a-tz-- 10.00g pool0 lv_external
|
||||
lv_external vg ori------- 10.00g
|
||||
LV VG Attr LSize Pool Origin
|
||||
lv_example vg Vwi-a-tz-- 10.00g pool0 lv_external
|
||||
lv_external vg ori------- 10.00g
|
||||
.fi
|
||||
|
||||
|
||||
@ -956,20 +956,21 @@ rather than using lvconvert on existing LVs.
|
||||
This one command creates a thin data LV, a thin metadata LV,
|
||||
and combines the two into a thin pool LV.
|
||||
|
||||
.nf
|
||||
lvcreate \-L LargeSize \-\-thinpool VG/ThinPoolLV
|
||||
.B lvcreate \-L LargeSize \-\-thinpool VG/ThinPoolLV
|
||||
|
||||
Example
|
||||
.I Example
|
||||
.br
|
||||
.nf
|
||||
# lvcreate \-L8M \-\-thinpool vg/pool0
|
||||
|
||||
# lvs vg/pool0
|
||||
LV VG Attr LSize Pool Origin Data%
|
||||
pool0 vg twi-a-tz-- 8.00m 0.00
|
||||
LV VG Attr LSize Pool Origin Data%
|
||||
pool0 vg twi-a-tz-- 8.00m 0.00
|
||||
|
||||
# lvs \-a
|
||||
pool0 vg twi-a-tz-- 8.00m
|
||||
[pool0_tdata] vg Twi-ao---- 8.00m
|
||||
[pool0_tmeta] vg ewi-ao---- 8.00m
|
||||
pool0 vg twi-a-tz-- 8.00m
|
||||
[pool0_tdata] vg Twi-ao---- 8.00m
|
||||
[pool0_tmeta] vg ewi-ao---- 8.00m
|
||||
.fi
|
||||
|
||||
|
||||
@ -986,21 +987,24 @@ and creates a thin LV in the new pool.
|
||||
.br
|
||||
\-V VirtualSize specifies the virtual size of the thin LV.
|
||||
|
||||
.nf
|
||||
lvcreate \-L LargeSize \-V VirtualSize \-n ThinLV \-\-thinpool VG/ThinPoolLV
|
||||
.B lvcreate \-L LargeSize \-V VirtualSize \-n ThinLV \-\-thinpool VG/ThinPoolLV
|
||||
|
||||
Equivalent to:
|
||||
lvcreate \-L LargeSize \-\-thinpool VG/ThinPoolLV
|
||||
lvcreate \-\-type thin \-n ThinLV \-V VirtualSize \-\-thinpool VG/ThinPoolLV
|
||||
.br
|
||||
.B lvcreate \-L LargeSize \-\-thinpool VG/ThinPoolLV
|
||||
.br
|
||||
.B lvcreate \-n ThinLV \-V VirtualSize \-\-thinpool VG/ThinPoolLV
|
||||
|
||||
Example
|
||||
.I Example
|
||||
.br
|
||||
.nf
|
||||
# lvcreate \-L8M \-V2G \-n thin1 \-\-thinpool vg/pool0
|
||||
|
||||
# lvs \-a
|
||||
pool0 vg twi-a-tz-- 8.00m
|
||||
[pool0_tdata] vg Twi-ao---- 8.00m
|
||||
[pool0_tmeta] vg ewi-ao---- 8.00m
|
||||
thin1 vg Vwi-a-tz-- 2.00g pool0
|
||||
pool0 vg twi-a-tz-- 8.00m
|
||||
[pool0_tdata] vg Twi-ao---- 8.00m
|
||||
[pool0_tmeta] vg ewi-ao---- 8.00m
|
||||
thin1 vg Vwi-a-tz-- 2.00g pool0
|
||||
.fi
|
||||
|
||||
|
||||
@ -1018,34 +1022,35 @@ LVs are open, e.g. mounted. If a merge is initiated while the LVs are open,
|
||||
the effect of the merge is delayed until the origin thin LV is next
|
||||
activated.
|
||||
|
||||
.nf
|
||||
lvconvert \-\-merge VG/SnapLV
|
||||
.B lvconvert \-\-merge VG/SnapLV
|
||||
|
||||
Example
|
||||
.I Example
|
||||
.br
|
||||
.nf
|
||||
# lvs vg
|
||||
LV VG Attr LSize Pool Origin
|
||||
pool0 vg twi-a-tz-- 10.00g
|
||||
thin1 vg Vwi-a-tz-- 100.00g pool0
|
||||
thin1s1 vg Vwi-a-tz-k 100.00g pool0 thin1
|
||||
LV VG Attr LSize Pool Origin
|
||||
pool0 vg twi-a-tz-- 10.00g
|
||||
thin1 vg Vwi-a-tz-- 100.00g pool0
|
||||
thin1s1 vg Vwi-a-tz-k 100.00g pool0 thin1
|
||||
|
||||
# lvconvert \-\-merge vg/thin1s1
|
||||
|
||||
# lvs vg
|
||||
LV VG Attr LSize Pool Origin
|
||||
pool0 vg twi-a-tz-- 10.00g
|
||||
thin1 vg Vwi-a-tz-- 100.00g pool0
|
||||
LV VG Attr LSize Pool Origin
|
||||
pool0 vg twi-a-tz-- 10.00g
|
||||
thin1 vg Vwi-a-tz-- 100.00g pool0
|
||||
.fi
|
||||
|
||||
.I Example
|
||||
.br
|
||||
.nf
|
||||
Example
|
||||
|
||||
Delayed merging of open LVs.
|
||||
|
||||
# lvs vg
|
||||
LV VG Attr LSize Pool Origin
|
||||
pool0 vg twi-a-tz-- 10.00g
|
||||
thin1 vg Vwi-aotz-- 100.00g pool0
|
||||
thin1s1 vg Vwi-aotz-k 100.00g pool0 thin1
|
||||
LV VG Attr LSize Pool Origin
|
||||
pool0 vg twi-a-tz-- 10.00g
|
||||
thin1 vg Vwi-aotz-- 100.00g pool0
|
||||
thin1s1 vg Vwi-aotz-k 100.00g pool0 thin1
|
||||
|
||||
# df
|
||||
/dev/mapper/vg-thin1 100G 33M 100G 1% /mnt/X
|
||||
@ -1065,12 +1070,12 @@ Merging of thin snapshot thin1s1 will occur on next activation.
|
||||
# umount /mnt/Xs
|
||||
|
||||
# lvs \-a vg
|
||||
LV VG Attr LSize Pool Origin
|
||||
pool0 vg twi-a-tz-- 10.00g
|
||||
[pool0_tdata] vg Twi-ao---- 10.00g
|
||||
[pool0_tmeta] vg ewi-ao---- 1.00g
|
||||
thin1 vg Owi-a-tz-- 100.00g pool0
|
||||
[thin1s1] vg Swi-a-tz-k 100.00g pool0 thin1
|
||||
LV VG Attr LSize Pool Origin
|
||||
pool0 vg twi-a-tz-- 10.00g
|
||||
[pool0_tdata] vg Twi-ao---- 10.00g
|
||||
[pool0_tmeta] vg ewi-ao---- 1.00g
|
||||
thin1 vg Owi-a-tz-- 100.00g pool0
|
||||
[thin1s1] vg Swi-a-tz-k 100.00g pool0 thin1
|
||||
|
||||
# lvchange \-an vg/thin1
|
||||
# lvchange \-ay vg/thin1
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user