PRIMECLUSTER Global Disk Services Configuration and AdministrationGuide 4.4

4.5 kdump Settings

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.