PRIMECLUSTER Global Disk Services Configuration and AdministrationGuide 4.3

4.5 kdump Settings [RHEL6 or later]

After installing GDS, perform the following settings so that GDS modules will not be included to the initial RAM disk (initramfs) for kdump:

[RHEL6]

1. Add GDS modules (sfdsk, sfdsk_lib, sfdsklog, and sfdsksys) to the blacklist setting for /etc/kdump.conf.

   Example 1: When the blacklist is described in /etc/kdump.conf

   Before change: blacklist kvm-intel
   After change: blacklist kvm-intel sfdsk sfdsk_lib sfdsklog sfdsksys

   Example 2: When the blacklist setting is not described in /etc/kdump.conf

   Add the following line.
   blacklist sfdsk sfdsk_lib sfdsklog sfdsksys

2. Restart the system or the kdump service.

[RHEL7]

1. Add the following descriptions to the line KDUMP_COMMANDLINE_APPEND in the /etc/sysconfig/kdump.

   Before change:
   KDUMP_COMMANDLINE_APPEND="irqpoll ... acpi_no_memhotplug"

   After change:
   KDUMP_COMMANDLINE_APPEND="irqpoll ... acpi_no_memhotplug rd.driver.blacklist=sfdsk,sfdsksys,sfdsklog,sfdsk_lib"

2. Restart the system or the kdump service.

See

For details on kdump, see the OS manual.