livedump(1M) livedump(1M)
NAME
livedump - initiates, configures, and stops Live Dump
SYNOPSIS
livedumpmsg] minfree] chunksize] class] class] path]
DESCRIPTION
The utility is used to query and modify configurable parameters such as class (page class), minfree, chunksize, path, and livedumpmsg. It
is also used to enable/disable the feature and to start/stop See livedump(5) for details on the configurable parameters.
NOTE: The feature is currently available only on Itanium(R)-based platforms.
saves the operating system state to the existing directory that is specified by path.
By default, the feature is disabled. Follow these steps to enable
o Set the value of to 1 in the file
o Start the kernel daemon:
Invoking the command with no arguments displays the current configuration and can be used by ordinary users. However, using options along
with the command requires system administrator privileges.
Options
Start the daemon.
Start or stop a
The following valid usages are:
Initiate a
or stops a currently running kernel or user initiated.
Stop a identified by the particular session id, sid.
NOTE: The options should not be used along with any other options. See livedump(5) for more details on sid.
Initiate in blocking mode. To be used with the option. See livedump(5) for details on blocking invocation.
Store message in the INDEX file. Should be used along with the option.
Exclude the page class specified by
class from the If both the and options are specified on the command line, the option will override the page classes set with
the option.
Include the page class specified by
class in the This option has precedence over the option.
Specify the amount of space left free upon completion of
Default value is zero. The default unit is Bytes (b or B). It also supports Kilo (K or k), Mega (M or m), Giga (G or g),
and Tera (T or t) unit.
The specified minfree can be followed by a b or B or space. The following all specify a minfree of 3 giga bytes:
If detects that the free disk space has fallen below the minfree value, it stops saving the dump. The saved dump may not be
debuggable.
Specify the directory to save the
If this option is not specified, then is used as default directory to save the dump.
Stop the daemon. This option should not be used in conjunction with other options.
Specify the size of a
image file. Value has to be between 1G and 2G. The default unit is Bytes (b or B). It also supports Kilo (K or k), Mega
(M or m), Giga (G or g), and Tera (T or t) unit.
The specified chunksize can be followed by a b or B or space. The following all specify a chunksize of 1 giga bytes:
Use the configuration specified on the command line only for the particular invocation. If specified without this option, the con-
figuration is made default till next boot. This option should be used along with the option.
RETURN VALUE
Upon exit, returns the following values:
was configured/saved successfully.
could not be saved; invalid options were specified in the command line.
AUTHOR
The feature was developed by Hewlett-Packard.
FILES
startup configuration file
startup file
bounds file
kernel image saved by
Messages saved by
SEE ALSO
crashconf(2), livedump(5).
livedump(1M)