Networker

Re: [Networker] Problem with Legato 6.1.3

2003-07-08 03:05:05
Subject: Re: [Networker] Problem with Legato 6.1.3
From: John Herlihy <johnh AT XSIDATA.COM DOT AU>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Tue, 8 Jul 2003 17:04:41 +1000
Hi Stan,

I'm having this problem in a similar environment to yours, and was
curious how changing these tcp settings on your Networker server has
helped.

Cheers,
John

> -----Original Message-----
> From: Stan Horwitz [mailto:stan AT TEMPLE DOT EDU] 
> Sent: Friday, 4 July 2003 00:15
> To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
> Subject: Re: [Networker] Problem with Legato 6.1.3
> 
> 
> 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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