Man page - vdodumpblockmap(8)

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VDODUMPBLOCKMAP(8) System Manager's Manual VDODUMPBLOCKMAP(8)

vdodumpblockmap - dump the LBA->PBA mappings of a VDO device

vdodumpblockmap [--lba=lba] filename

vdodumpblockmap dumps all (or only the specified) LBA->PBA mappings from a cleanly shut down VDO device.

filename must be the path of the VDODataLV as described in lvmvdo(7).

Print this help message and exit.
Dump only the mapping for the specified LBA.
Show the version of vdodumpblockmap.

# lvchange -ay vdo1/vdo0pool_vdata
# vdodumpblockmap /dev/mapper/vdo1-vdo0pool_vdata
# lvchange -an vdo1/vdo0pool_vdata

lvmvdo(7), lvchange(8)

2023-03-28 Red Hat