While starting kdump service "There is not enough space to save a vmcore" is returned

Solution Verified - Updated -

Issue

  • Kdump failed to start with below mentioned error: 
# service kdump restart
Stopping kdump:                                            [  OK  ]
Detected change(s) the following file(s):
  /etc/kdump.conf

Rebuilding /boot/initrd-2.6.18-164.el5kdump.img
Warning: There is not enough space to save a vmcore.
         The size of distrib:/LinuxDump should be much greater than 264009556 kilo bytes.

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • kdump

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