Exadata: Ibswitches Don't Show Fully Qualified Hostname
(Doc ID 1634077.1)
Last updated on SEPTEMBER 23, 2021
Applies to:
Exadata X3-8 Hardware - Version All Versions and laterExadata X3-2 Hardware - Version All Versions and later
Exadata X4-2 Hardware - Version All Versions and later
Linux x86-64
On new hardware, ibswitches do no longer show FQDN (Fully Qualified Domain Name)
Switch : 0x0010e035b956a0a0 ports 36 "SUN DCS 36P QDR x17psw-ib1 10.nnn.nnn.59" enhanced port 0 lid 3 lmc 0
Switch : 0x0010e035b84da0a0 ports 36 "SUN DCS 36P QDR x17psw-ib3 10.nnn.nnn.61" enhanced port 0 lid 1 lmc 0
Switch : 0x0010e035c10ba0a0 ports 36 "SUN DCS 36P QDR x17psw-ib2 10.nnn.nnn.60" enhanced port 0 lid 2 lmc 0
While uname -a from the switch, shows as fully qualified
[root@####ib1 ~]# uname -a
Linux x17####ib1.company.com 2.6.27.13-nm2 #1 SMP Thu Feb 5 20:25:23 CET 2009 i686 i686 i386 GNU/Linux
Goal
On new hardware, ibswitches do no longer show FQDN (Fully Qualified Domain Name)
Switch : 0x0010e035b956a0a0 ports 36 "SUN DCS 36P QDR sw-ib1 10.nnn.nnn.59" enhanced port 0 lid 3 lmc 0
Switch : 0x0010e035b84da0a0 ports 36 "SUN DCS 36P QDR sw-ib3 10.nnn.nnn.61" enhanced port 0 lid 1 lmc 0
Switch : 0x0010e035c10ba0a0 ports 36 "SUN DCS 36P QDR sw-ib2 10.nnn.nnn.60" enhanced port 0 lid 2 lmc 0
While uname -a from the switch, shows as fully qualified
# uname -a
Linux x17psw-ib1.#####.com 2.6.27.13-nm2 #1 SMP Thu Feb 5 20:25:23 CET 2009 i686 i686 i386 GNU/Linux
This is different from other installation at the same site, which show FQDN
# ibswitches
Switch : 0x002128f57308a0a0 ports 36 "SUN DCS 36P QDR sw-ib1.#####.com" enhanced port 0 lid 2 lmc 0
Switch : 0x002128f57334a0a0 ports 36 "SUN DCS 36P QDR sw-ib2.#####.com" enhanced port 0 lid 3 lmc 0
Switch : 0x002128f5734ba0a0 ports 36 "SUN DCS 36P QDR sw-ib3.#####.com" enhanced port 0 lid 1 lmc 0
The following files are set up correctly:
cat /etc/hosts
# Do not remove the following line, or various programs
# that require network functionality will fail.
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost6
10.nnn.nnn.117 sw-ib1.#####.com ####ib1
# cat /etc/sysconfig/network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=sw-ib1.#####.com
Solution
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