On Wed, 22 Jul 2015, Ski Kacoroski wrote:
Hi,
I hvae a linux webserver that has a primary IP (no web config on it) and 10
other IPs assigned to it (one for each web site). It also mounts a backup
directory from an EMC VNX via NFS. The EMC exports has the name of the
server in it (machine.nsd.org). It worked fine until we failed over to our
DR site.
What happened after the failover is that the NFS started using one of the
webserver IPs. I figured this out by doing a tcpdump on the webserver. The
fix was to add the website name to the export list and it works fine.
My question is why would it pick a different IP? Is there something I can do
to force NFS to always use the same IP instead of randomly picking one from
the 11 IPs that are assigned to the machine?
how are the multiple IP addresses assigned to the machine? via eth0:0 or using
the ip tool to assign multiple IP addresses to eth0?
David Lang
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