2017-05-08 20:27:00 +00:00
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# lvcreate
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# Creates a logical volume in an existing volume group.
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# A volume group is a collection of logical and physical volumes.
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# Create a logical volume of 10 gigabytes in the volume group vg1:
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lvcreate -L 10G vg1
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# Create a 1500 megabyte linear logical volume named mylv in the volume group vg1:
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lvcreate -L 1500 -n mylv vg1
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# Create a logical volume called mylv that uses 60% of the total space in volume group vg1:
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lvcreate -l 60%VG -n mylv vg1
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# Create a logical volume called mylv that uses all of the unallocated space in the volume group vg1:
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lvcreate -l 100%FREE -n mylv vg1
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# Create a snapshot (lvsnap) from a logical volume (/dev/vgA/lv1);
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# snapshot size = 10G (total size of the changes)
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lvcreate -L 10G -s -n lvsnap /dev/vgA/lv1
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2017-12-26 21:45:09 +00:00
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# Clone LVM volume: test => testCopy
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lvconvert --type mirror --alloc anywhere -m1 /dev/mylv/test
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lvs -a -o +devices | egrep "LV|test"
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# After Cpy%Sync is 100% finished:
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lvconvert --splitmirrors 1 --name testCopy /dev/rootvg/test
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