mirror of
https://github.com/xcat2/xcat-core.git
synced 2025-05-22 11:42:05 +00:00
30 lines
2.0 KiB
ReStructuredText
30 lines
2.0 KiB
ReStructuredText
Configure DHCP
|
|
==============
|
|
|
|
Add the relevant networks into the DHCP configuration, refer to: :ref:`Setup-dhcp`
|
|
|
|
Add the defined nodes into the DHCP configuration, refer to :doc:`Manually define nodes </guides/admin-guides/manage_clusters/ppc64le/discovery/manually_define>`
|
|
|
|
In the large cluster, the size of dhcp lease file ``/var/lib/dhcpd/dhcpd.leases`` on the DHCP server will grow over time. At around 100MB in size, the DHCP server will take a long time to respond to DHCP requests from clients and cause DHCP timeouts: ::
|
|
|
|
...
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPDISCOVER from 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPOFFER on 9.114.39.101 to 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPREQUEST for 9.114.39.101 (9.114.39.157) from 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPACK on 9.114.39.101 to 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPDECLINE of 9.114.39.101 from 00:0a:f7:73:7d:d0 via eth0: not found
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPDISCOVER from 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPOFFER on 9.114.39.101 to 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPREQUEST for 9.114.39.101 (9.114.39.157) from 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPACK on 9.114.39.101 to 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPDECLINE of 9.114.39.101 from 00:0a:f7:73:7d:d0 via eth0: not found
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPDISCOVER from 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPOFFER on 9.114.39.101 to 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPREQUEST for 9.114.39.101 (9.114.39.157) from 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPACK on 9.114.39.101 to 00:0a:f7:73:7d:d0 via eth0
|
|
Mar 2 01:59:10 c656ems2 dhcpd: DHCPDECLINE of 9.114.39.101 from 00:0a:f7:73:7d:d0 via eth0: not found
|
|
...
|
|
|
|
The solution is simply to restart the dhcpd service or run ``makedhcp -n``.
|
|
|