NAME

       vdodebugmetadata - load a metadata dump of a VDO device

SYNOPSIS

       vdodebugmetadata [--pbn=pbn ...] [--searchLBN=lbn ...] filename

DESCRIPTION

       vdodebugmetadata loads the metadata regions dumped by vdodumpmetadata. It should be run under GDB, with a
       breakpoint on the function doNothing.

       Variables  vdo,  slabSummary, slabs, and recoveryJournal are available, providing access to the VDO super
       block state, the slab summary blocks, all slab journal and reference blocks per slab,  and  all  recovery
       journal blocks.

       Please note that this tool does not provide access to block map pages.

OPTIONS

       --pbn  Print the slab journal entries for the given PBN. This option may be specified up to 255 times.

       --searchLBN
              Print  the  recovery  journal  entries  for the given LBN. This includes PBN, increment/decrement,
              mapping state, recovery journal position information, and whether the recovery  journal  block  is
              valid. This option may be specified up to 255 times.

SEE ALSO

       vdo(8), vdodumpmetadata(8).

Red Hat                                            2020-05-08                                VDODEBUGMETADATA(8)