1VDOFORMAT(8) System Manager's Manual VDOFORMAT(8)
2
3
4
6 vdoformat - format a VDO device
7
9 vdoformat [options...] filename
10
12 vdoformat formats the file named by filename as a VDO device. This is
13 analogous to low-level device formatting. The device will not be for‐
14 matted if it already contains a VDO, unless the --force flag is used.
15
16 vdoformat can also modify some of the formatting parameters.
17
19 --format
20 Format the block device, even if there is already a VDO format‐
21 ted thereupon.
22
23 --help Print this help message and exit.
24
25 --logical-size=size
26 Set the logical (provisioned) size of the VDO device to size. A
27 size suffix of K for kilobytes, M for megabytes, G for giga‐
28 bytes, T for terabytes, or P for petabytes is optional. The
29 default unit is megabytes.
30
31 --slab-bits=bits
32 Specify the slab size in bits. The maximum size is 23, and the
33 default is 19.
34
35 --uds-checkpoint-frequency=frequency
36 Specify the frequency of checkpoints. The default is never.
37
38 --uds-memory-size=gigabytes
39 Specify the amount of memory, in gigabytes, to devote to the
40 index. Accepted options are .25, .5, .75, and all positive inte‐
41 gers.
42
43 --uds-sparse
44 Specify whether or not to use a sparse index.
45
46 --verbose
47 Describe what is being formatted and with what parameters.
48
49 --version
50 Show the version of vdoformat.
51
53 vdo(8).
54
55
56
57Red Hat 2017-09-12 VDOFORMAT(8)