Networker

Re: [Networker] Problem with Legato 6.1.3

2003-07-03 10:16:18
Subject: Re: [Networker] Problem with Legato 6.1.3
From: Stan Horwitz <stan AT TEMPLE DOT EDU>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Thu, 3 Jul 2003 10:15:26 -0400
On Thu, 3 Jul 2003, Donovan O'Brien wrote:

>We were having similar problems for a long time until we determined it to
>be tcp parameters on certain clients.  In our instance, we had two clients
>with tcp pararameters configured very small which caused the save sessions
>to close and the devices to go into a "Ready for writing, idle" state that
>would leave the tape drive useless until a restart of the associated nsrmmd
>was performed (sometimes Networker itself had to be cycled).  When watching
>from the gui all one would see is a fast backing quickly reduced to 60
>Kb/sec with no increase in data size backed up and eventually the
>dreaded "Ready for writing, idle".  The troublesome clients were two HP-UX
>11.0 systems, below is the values we set to overcome this issue:
>
>  tcp_keepalive_interval=600000
>  tcp_ip_abort_interval=600000
>  tcp_keepalive_detached_interval=60000
>  tcp_time_wait_interval=720000
>  tcp_ip_abort_cinterval=7200000
>
>
>These may be a bit high if you are worried about security but it worked for
>us.  Have not seen it since, our server at the time was running 6.1.1.

This is very interesting information. Thank you. I am going to give it
a try on our Legato server.

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