yes, I think DNS resolution was the problem:
I added both unix oses like A records to DNS server
thank you very much
[Normal] Starting installation session on 23 января 2014 г., 16:53:16...
[Normal] Getting list of clients for installation...
[Normal] Connecting to client dpuxclient.stend.lan...
[Normal]<dpuxclient.stend.lan> Checking for response from system dpuxclient.stend.lan.
[Normal]<dpuxclient.stend.lan> Using secure shell protocol to connect to clients ...
[Normal] Client dpuxclient.stend.lan (Linux 2.6.32-431.el6.x86_64) OK.
[Normal]<dpuxclient.stend.lan> Starting installation/update for client system dpuxclient.stend.lan at 23 января 2014 г., 16:53:17.
[Normal]<dpuxclient.stend.lan> Installing Core Component
[Normal]<dpuxclient.stend.lan> Installation of Core Component succeeded.
[Normal]<dpuxclient.stend.lan> Installing Disk Agent
[Normal]<dpuxclient.stend.lan> Installation of Disk Agent succeeded.
[Normal]<dpuxclient.stend.lan> Update of client system dpuxclient.stend.lan completed.
[Normal] Installation session finished on 23 января 2014 г., 16:55:17.
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Session completed successfully!
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