94      -h      Display pool history similar to zpool history, but include
  95              internal changes, transaction, and dataset information.
  96 
  97      -i      Display information about intent log (ZIL) entries relating to
  98              each dataset.  If specified multiple times, display counts of
  99              each intent log transaction type.
 100 
 101      -k      Examine the checkpointed state of the pool.  Note, the on disk
 102              format of the pool is not reverted to the checkpointed state.
 103 
 104      -l device
 105              Read the vdev labels from the specified device.  zdb -l will
 106              return 0 if valid label was found, 1 if error occurred, and 2 if
 107              no valid labels were found.
 108 
 109              If the -q option is also specified, don't print the labels.
 110 
 111              If the -u option is also specified, also display the uberblocks
 112              on this device.
 113 
 114      -L      Disable leak tracing and the loading of space maps.  By default,
 115              zdb verifies that all non-free blocks are referenced, which can
 116              be very expensive.
 117 
 118      -m      Display the offset, spacemap, and free space of each metaslab.
 119 
 120      -mm     Also display information about the on-disk free space histogram
 121              associated with each metaslab.
 122 
 123      -mmm    Display the maximum contiguous free space, the in-core free space
 124              histogram, and the percentage of free space in each space map.
 125 
 126      -mmmm   Display every spacemap record.
 127 
 128      -M      Display the offset, spacemap, and free space of each metaslab.
 129 
 130      -MM     Also display information about the maximum contiguous free space
 131              and the percentage of free space in each space map.
 132 
 133      -MMM    Display every spacemap record.
 134 
 135      -O dataset path
 136              Look up the specified path inside of the dataset and display its

  94      -h      Display pool history similar to zpool history, but include
  95              internal changes, transaction, and dataset information.
  96 
  97      -i      Display information about intent log (ZIL) entries relating to
  98              each dataset.  If specified multiple times, display counts of
  99              each intent log transaction type.
 100 
 101      -k      Examine the checkpointed state of the pool.  Note, the on disk
 102              format of the pool is not reverted to the checkpointed state.
 103 
 104      -l device
 105              Read the vdev labels from the specified device.  zdb -l will
 106              return 0 if valid label was found, 1 if error occurred, and 2 if
 107              no valid labels were found.
 108 
 109              If the -q option is also specified, don't print the labels.
 110 
 111              If the -u option is also specified, also display the uberblocks
 112              on this device.
 113 
 114      -L      Disable leak detection and the loading of space maps.  By
 115              default, zdb verifies that all non-free blocks are referenced,
 116              which can be very expensive.
 117 
 118      -m      Display the offset, spacemap, and free space of each metaslab.
 119 
 120      -mm     Also display information about the on-disk free space histogram
 121              associated with each metaslab.
 122 
 123      -mmm    Display the maximum contiguous free space, the in-core free space
 124              histogram, and the percentage of free space in each space map.
 125 
 126      -mmmm   Display every spacemap record.
 127 
 128      -M      Display the offset, spacemap, and free space of each metaslab.
 129 
 130      -MM     Also display information about the maximum contiguous free space
 131              and the percentage of free space in each space map.
 132 
 133      -MMM    Display every spacemap record.
 134 
 135      -O dataset path
 136              Look up the specified path inside of the dataset and display its