How to check into Linux OS
I learned some experience while Nanjing found 0x03 error. At begining, we don't know why our GSRM(a linux process) hang in a short time 5 seconds sometimes. It didn't handle any message at that time and the interruption is not regularly. So we assume we have Linux OS problem. We did following checks: 1. Turn off Iptables service.
[root@Motorola-SRM-1A ~]# iptables -L
Chain INPUT (policy ACCEPT)
target prot opt source destination
ACCEPT tcp -- Motorola-SRM-1A anywhere tcp dpt:glrpc flags:FIN,SYN,RST,ACK/SYN
ACCEPT tcp -- 10.0.0.2 anywhere tcp dpt:glrpc flags:FIN,SYN,RST,ACK/SYN
ACCEPT tcp -- Motorola-SRM-1B anywhere tcp dpt:glrpc flags:FIN,SYN,RST,ACK/SYN
DROP tcp -- anywhere anywhere tcp dpt:glrpc flags:FIN,SYN,RST,ACK/SYN
ACCEPT tcp -- Motorola-SRM-1A anywhere tcp dpt:sqlexec flags:FIN,SYN,RST,ACK/SYN
ACCEPT tcp -- 10.0.0.2 anywhere tcp dpt:sqlexec fl
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