sorry about my english,the "network issue" i mean that is network problem ,maybe the networker parameter of kernel parameter set a wrong value or network card and cable has something wrong .
1、netstat -m output of failed is consistently zero.
2、mtu
for i in 1 2
do
lsattr -El en$i|grep mtu
doneboth of en1 and en2's mtu are 1500
the application run this machine is oracle 11gR2...
thanks for your reply.the physical memory size is 96gb.
the application run on this machine is oracle 11gR2 RAC，i set the tcp_sendspace from the oracle manual and do it on other machine many ...
last night i want to do oracle full backup with expdp when i switch to oracle it hangs,it looks like:
su - oracle
there is nothing feedback and hang ,but su - root work fine.
then i use truss su -...