Fix the typos and grammar problem in kdump.conf man page.
Signed-off-by: Freeman Zhang zhezhang@redhat.com Reported-by: Donald Berry dberry@redhat.com Reviewed-by: Dave Young dyoung@redhat.com --- kdump.conf.5 | 79 +++++++++++++++++++++++++++-------------------------------- 1 file changed, 37 insertions(+), 42 deletions(-)
--- kexec-tools.orig/kdump.conf.5 +++ kexec-tools/kdump.conf.5 @@ -10,14 +10,14 @@ collection service.
kdump.conf provides post-kexec instructions to the kdump kernel. It is stored in the initrd file managed by the kdump service. If you change -this file and do not want to restart before it takes effect, restart -the kdump service to rebuild to initrd. +this file and do not want to reboot in order for the changes to take +effect, restart the kdump service to rebuild the initrd.
For most configurations, you can simply review the examples provided in the stock /etc/kdump.conf.
.B NOTE: -For filesystem dump the dump target must be mounted before building +For filesystem dumps the dump target must be mounted before building kdump initramfs.
kdump.conf only affects the behavior of the initramfs. Please read the @@ -48,8 +48,8 @@ server and that a fqdn is used as the se
.B sshkey <path> .RS -Specifies the path of the ssh key you want to use when do ssh dump, -the default value is /root/.ssh/kdump_id_rsa. +Specifies the path of the ssh key to use when dumping via ssh. +The default value is /root/.ssh/kdump_id_rsa. .RE
.B <fs type> <partition> @@ -77,26 +77,25 @@ Ignored for raw device dumps. If unset, .B core_collector <command> <options> .RS This allows you to specify the command to copy the vmcore. -You could use the dump filtering program makedumpfile, the default one, -to retrieve your core, which on some arches can drastically reduce -core file size. See /sbin/makedumpfile --help for a list of options. +The default is makedumpfile, which on some architectures can drastically reduce +core file size. See /sbin/makedumpfile --help for a list of options. Note that the -i and -g options are not needed here, as the initrd will automatically be populated with a config file appropriate for the running kernel. .PP Note 1: About default core collector: -Default core_collector for raw/ssh dump is: +The default core_collector for raw/ssh dump is: "makedumpfile -F -l --message-level 1 -d 31". -Default core_collector for other targets is: +The default core_collector for other targets is: "makedumpfile -l --message-level 1 -d 31". Even if core_collector option is commented out in kdump.conf, makedumpfile -is default core collector and kdump uses it internally. +is the default core collector and kdump uses it internally. If one does not want makedumpfile as default core_collector, then they need to specify one using core_collector option to change the behavior. .PP Note 2: If "makedumpfile -F" is used then you will get a flattened format vmcore.flat, you will need to use "makedumpfile -R" to rearrange the -dump data from stdard input to a normal dumpfile (readable with analysis +dump data from standard input to a normal dumpfile (readable with analysis tools). ie. "makedumpfile -R vmcore < vmcore.flat"
@@ -108,11 +107,10 @@ This directive allows you to run a speci executable just after the memory dump process terminates. The exit status from the dump process is fed to the kdump_post executable, which can be -used to trigger different actions for success or -failure. +used to trigger actions for success or failure respectively. .PP Note that scripts written for use with this -directive must use the /bin/bash interpreter +directive must use the /bin/bash interpreter. .RE
.B kdump_pre <binary | script> @@ -127,7 +125,7 @@ as follows: non 0 - reboot the system .PP Note that scripts written for this directive must use -the /bin/bash interpreter +the /bin/bash interpreter. .RE
.B extra_bins <binaries | shell scripts> @@ -146,36 +144,33 @@ modules that you want to be loaded in th initrd, typically used to set up access to non-boot-path dump targets that might otherwise not be accessible in the kdump environment. Multiple -modules can be listed, separated by a space, and any +modules can be listed, separated by spaces, and any dependent modules will automatically be included. .RE
.B default <reboot | halt | poweroff | shell | dump_to_rootfs> .RS -Action to preform in case dumping to intended target fails. If no default -action is specified, "reboot" is assumed default. -reboot: If the default action is reboot simply reboot the system (this is what -most people will want, as it returns the system to a nominal state). shell: If the default -action is shell, then drop to an shell session inside the initramfs from -where you can manually preform additional recovery actions. Exiting this shell -reboots the system. halt: bring the system to a halt, requiring manual reset -poweroff: The system will be powered down. dump_to_rootfs:If the default action -is dump_to_rootfs, specified root will be mounted and dump will be saved in "path" -directory. +Action to perform in case dumping to intended target fails. The default is "reboot". +reboot: reboot the system (this is what most people will want, as it returns the +system to a normal state). shell: drop to a shell session inside the initramfs, +from where you can manually perform additional recovery actions. Exiting this shell +reboots the system. halt: bring the system to a halt, requiring manual reset. +poweroff: the system will be powered down. dump_to_rootfs: specified root will +be mounted and dump will be saved in "path" directory. Note: kdump uses bash as the default shell. .RE
.B force_rebuild <0 | 1> .RS -By default, kdump initrd only will be rebuilt when necessary. +By default, kdump initrd will only be rebuilt when necessary. Specify 1 to force rebuilding kdump initrd every time when kdump service starts. .RE
.B override_resettable <0 | 1> .RS -Usually a unresettable block device can't be dump target. Specifying 1 means -though block target is unresettable, user understand this situation and want -to try dumping. By default, it's set to 0, means not to try a destined failure. +Usually an unresettable block device can't be a dump target. Specifying 1 means +that even though block target is unresettable, user wants to try dumping anyway. +By default, it's set to 0, which will not try something destined to fail. .RE
@@ -195,7 +190,7 @@ arguments except hosts to send notificat
.B fence_kdump_nodes <node(s)> .RS -List of cluster node(s) separated by space to send fence_kdump notification +List of cluster node(s), separated by spaces, to send fence_kdump notification to (this option is mandatory to enable fence_kdump). .RE
@@ -210,26 +205,26 @@ directly.
.B options <module> <option list> .RS -Use KDUMP_COMMANDLINE_APPEND in /etc/sysconfig/kdump to add proper -module option as kernel command line params. Such as append loop.max_loop=1 -to limit maximum loop devices to 1. +Use KDUMP_COMMANDLINE_APPEND in /etc/sysconfig/kdump to add module options as +kernel command line parameters. For example, specify 'loop.max_loop=1' to limit +maximum loop devices to 1. .RE
.B link_delay <seconds> .RS -link_delay was used to wait a network device to initialize before using it. -Now dracut network module take care of this issue automaticlly. +link_delay was used to wait for a network device to initialize before using it. +Now dracut network module takes care of this issue automatically. .RE
.B disk_timeout <seconds> .RS -Similar to link_delay, dracut ensures disks being ready before kdump uses them. +Similar to link_delay, dracut ensures disks are ready before kdump uses them. .RE
.B debug_mem_level <0-3> .RS -This was used to turns on debug/verbose output of kdump scripts regarding -free/used memory at various points of execution. This feature has been +Turn on verbose debug output of kdump scripts regarding free/used memory at +various points of execution. This feature has been moved to dracut now. Use KDUMP_COMMANDLINE_APPEND in /etc/sysconfig/kdump and append dracut cmdline param rd.memdebug=[0-3] to enable the debug output. @@ -253,7 +248,7 @@ present in initramfs but it is not actua retaining blacklist option creates more confusing behavior. It has been deprecated. .PP -Instead use rd.driver.blacklist option on second kernel to blacklist +Instead, use rd.driver.blacklist option on second kernel to blacklist a certain module. One can edit /etc/sysconfig/kdump.conf and edit KDUMP_COMMANDLINE_APPEND to pass kernel command line options. Refer to dracut.cmdline man page for more details on module blacklist option. @@ -262,7 +257,7 @@ to dracut.cmdline man page for more deta .RE
.SH EXAMPLES -Here is some examples for core_collector option: +Here are some examples for core_collector option: .PP Core collector command format depends on dump target type. Typically for filesystem (local/remote), core_collector should accept two arguments.