Thanks to all, problem solved.
it was a strange bug in stateful firewall between client and server. Sometimes it "forgets" state and sends tcp rst (it was configured default after all stateful rules). After receiving tcp rst packet client write(2) finished with broken pipe and died.
Thanks to all, but NSR_KEEPALIVE_WAIT doesn't help.
Additional info: in /nsr/logs/daemon.log on client following message appears: nsrexecd: Recvd signal to kill process group - pid=-24639, sig=2
and then save exits with "lost connection to server, exiting". Any suggestions?
Hello!
Some of my backup save sets was not finished and reports following error: lost connection to server, exiting.
Increasing number of attempts and group timeout doesn't help.
How can I solve my problem?
Thanks.
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