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vdo: man documenting resize

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This commit is contained in:
Zdenek Kabelac 2019-01-18 20:28:35 +01:00
parent a16d914d34
commit 01cbdc4e67
1 changed files with 36 additions and 0 deletions
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36
man/lvmvdo.7_main
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@ -219,6 +219,42 @@ Note: vdostats currently understands only /dev/mapper device names.
.fi
.SS 4. Extending VDOPoolLV size
Adding more space to hold VDO data and metadata can be made via
extension of VDODataLV.
Note: Size of VDOPoolLV cannot be reduced.
.B lvextend -L+AddingSize VG/VDOPoolLV
.I Example
.br
.nf
# lvextend -L+50G vg/vdopool0
# lvresize -L300G vg/vdopool1
.fi
.SS 4. Extending or reducing VDOLV size
VDO LV can be extended or reduced as standard LV.
Note: Reduction needs to process TRIM for reduced disk area
to unmap used data blocks from VDOPoolLV and it may take
a long time.
.B lvextend -L+AddingSize VG/VDOLV
.B lvreduce -L-ReducingSize VG/VDOLV
.I Example
.br
.nf
# lvextend -L+50G vg/vdo0
# lvreduce -L-50G vg/vdo1
# lvresize -L200G vg/vdo2
.fi
.SH VDO Topics
.br