The output is appended to the file
Also expect the output file to be rather large.
Up to 2 percent of the size of the specified file system is not uncommon.
The following options are available:
This restricts the dump to information about this cylinder group only.
means the first cylinder group and
the last one.
This restricts the dump to information about this particular inode only.
Here the minimum acceptable inode is
If this option is omitted but a cylinder group is defined then only inodes
within that cylinder group are dumped.
The level of detail which will be dumped.
This value defaults to
and is the
of the following table:
superblock copies in each cylinder group
cylinder group summary in initial cylinder group
cylinder group information
inode allocation bitmap
fragment allocation bitmap
cluster maps and summary
indirect block dump
This sets the output filename where the dump is written to, and
must be specified.
is provided, output will be sent to stdout.
Snapshots are handled like plain files.
They should get their own level to provide for independent control of the
amount of what gets dumped.
It probably also makes sense to some extend to dump the snapshot as a