Solaris Zones & finding machine name
Submitted by dmann on Fri, 05/15/2009 - 00:34
If you use Solaris Zones sometimes it is nice to be able to know the name of the global/parent machine the zone is running on.
Using 'arp -a' you can get information about network interfaces shared by the hosts on 1 machine.
I'm not going to give a whole full blown script to do this as our naming standards are probably different than yours but you can see the steps you may need to follow below to get the info:
Here is how to see all the network interfaces for you current host:
HOSTNAME=`hostname` /u01/app/oracle >arp -a | grep $HOSTNAME ce0 amr-dbzone04c.mycompany.com 255.255.255.255 SPLA aa:01:bb:02:cc:03The important part here is the mac address, you can extract it like this:
HOSTNAME=`hostname` MYMAC=`arp -a | grep $HOSTNAME | awk '{print $NF}'` echo $MYMAC aa:01:bb:02:cc:03Now check arp again for other hosts that share this mac address:
/u01/app/oracle/david >arp -a | grep $MYMAC ce0 amr-dbserv04.mycompany.com 255.255.255.255 SPLA aa:01:bb:02:cc:03 ce0 amr-dbzone04a.mycompany.com 255.255.255.255 SPLA aa:01:bb:02:cc:03 ce0 amr-dbzone04b.mycompany.com 255.255.255.255 SPLA aa:01:bb:02:cc:03 ce0 amr-dbzone04c.mycompany.com 255.255.255.255 SPLA aa:01:bb:02:cc:03 ce0 amr-dbzone04d.mycompany.com 255.255.255.255 SPLA aa:01:bb:02:cc:03 ce0 amr-dbzone04e.mycompany.com 255.255.255.255 SPLA aa:01:bb:02:cc:03In my environment I can use our naming standard to pick out the parent server (you may have to find a different way to do this depending on your environment):
/u01/app/oracle/david >arp -a | grep $MYMAC | grep dbserv ce0 amr-dbserv04.mycompany.com 255.255.255.255 SPLA aa:01:bb:02:cc:03 /u01/app/oracle/david >arp -a | grep $MYMAC | grep dbserv | awk '{print $2}' amr-dbserv04.mycompany.com
Comments
i could see flag SPLAd. What
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