diskowner(1M)diskowner(1M)NAMEdiskowner - retrieve the owner of a storage device
The command is used to retrieve the subsystem, if any, which is using
the specified path. The command is intended to help prevent users from
overwriting storage that is already in use. The command will print out
the owner of the path, or if no owner was found. A storage device is
considered owned by a subsystem if it has been formatted by that sub‐
system. For example, if a disk contains a VxFS filesystem, but is not
mounted or in use, it is still considered owned by the VxFS subsystem.
If the path specified is invalid or inaccessible, an error message will
Options and Arguments
The command recognizes the following options and arguments:
path The path name to the storage device. The path may be a sym‐
bolic link, as long as it points to a storage device, such as
a file, disk, or logical volume.
List all the owners of the specified path, separated by commas
Produce a compact output that is easily parsed by other scripts and
programs. When used with option, displays all the owners
separated by dots This format is described in the section
Output from diskowner
displays the following possible output:
owner The owner of the given path. owner can be one of the follow‐
The path is not owned by any known subsystem.
The path is part of an LVM volume group.
The path is part of a VxVM volume group.
The path has a VxFS filesystem on it.
The path has a HFS filesystem on it.
The path is being used as a swap device.
The path is being used as a dump device.
The path is part of an Oracle database.
The path is a part of Oracle Clusterware and has OCR (Oracle
Cluster Registry) file on it.
The path is a part of Oracle Clusterware and has Voting disk
The path has EFI partitions on it.
The path has EFI boot information on it.
The path is a HP Service partition.
NOTE: If the path specified has any filesystems other than
VxFS and HFS on it, displays that particular filesystem as
the owner of the given path. For example, if a given path
has CDFS filesystem on it, then the owner of the given path
message An error message displayed when the given path is invalid or
The option generates a compact, colon delimited listing that is easy to
parse. The output format is:
and so forth.
The option, when used with the option, produces this output format:
and so forth.
The current command prints out the keys and values listed below. In the
future, new keys and/or values may be added to the output.
path is the pathname passed as argument
owner is the owner of the given path
message is an error message when given path is invalid or inaccessi‐
n is number of owners of the given path
determines the language in which messages are displayed.
If is not specified or is null, it defaults to "C" (see lang(5)).
If any internationalization variable contains an invalid setting, all
internationalization variables default to "C" (see environ(5)).
Upon completion, returns one of the following values:
The path is not owned (the owner is
The path is already owned by a subsystem.
The path does not exist.
Invalid options or library version incompatible.
The path cannot be opened due to an I/O error.
The path cannot be opened due to insufficient permissions.
The path format is invalid.
Display the owner of a disk path:
Display the owner of a logical volume in compact output:
Display all the owners of a disk path:
Display all the owners of a logical volume in compact output:
SEE ALSOcrashconf(1M), df(1M), swapinfo(1M), vgdisplay(1M), vxvmboot(1M), vxas‐
sist(1M), efi_ls(1M), fstab(4).