livedump(1M)livedump(1M)NAMElivedump - 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 live‐
dump(5) for details on the configurable parameters.
NOTE: The feature is currently available only on Itanium(R)-based plat‐
forms.
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
· Set the value of to 1 in the file
· Start the kernel daemon:
Invoking the command with no arguments displays the current configura‐
tion 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 live‐
dump(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 configuration 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 com‐
mand 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 ALSOcrashconf(2), livedump(5).
livedump(1M)
