[PLUG] Help with large file samba file transfer
Eric Pratt
pratte@ecn.purdue.edu
Tue, 17 Oct 2000 11:26:19 -0500 (EST)
This is what I get from netstat -rn. I don't see anything wrong here
either. If my TCP stack is toast, what must be done to restore it. I
don't know jack about libc. There are collisions in the hub, but the
collisions happen even when the transfer is going smoothly.
On a complete and total stretch, I am going to rewire the network tonight
thinking it could be one of the hubs. Right now, the Linux machine is on
a hub of it's own ( I was planning on putting a printer there, but that
didn't happen so I don't need that hub anymore). I will be taking that
hub out of the picture and will only be using the hub my computer is
plugged into (the two hubs were cascaded together.) I have had this
cascaded hub setup for months. I guess it is possible that the hub the
linux machine is on is fried (it isn't the one my computer is on because
large data trasnfers between PCs work fine.)
Any other info would be great.
Thanks for your help!
Eric
$ netstat -rn
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt
Iface
255.255.255.255 0.0.0.0 255.255.255.255 UH 0 0 0
eth1
10.0.2.1 0.0.0.0 255.255.255.255 UH 0 0 0
eth1
128.211.165.229 0.0.0.0 255.255.255.255 UH 0 0 0
eth0
128.211.165.0 0.0.0.0 255.255.255.0 U 0 0 0
eth0
10.0.2.0 0.0.0.0 255.255.255.0 U 0 0 0
eth1
0.0.0.0 128.211.165.225 0.0.0.0 UG 0 0 0
eth0
$
On Tue, 17 Oct 2000, Ryan E. Helfter wrote:
> How are your routing tables set up? `netstat -rn`
>
> is there any collisions on the hub? it is possible, however very unlikely
> that your tcp stack is somewhat hosed... if memory serves me correctly,
> the tcp stack is handled by the libc libraries... (not quite sure, but
> pretty sure)
>
> ry
>
> On Mon, 16 Oct 2000, Eric Pratt wrote:
>
> > Date: Mon, 16 Oct 2000 19:42:16 -0500 (EST)
> > From: Eric Pratt <pratte@ecn.purdue.edu>
> > To: plug@csociety.purdue.edu
> > Subject: [PLUG] Help with large file samba file transfer
> >
> >
> > I have a RedHat 6.2 machine running samba. Until recently, I have had no
> > problems with it. Now, I cannot copy large files from the Linux machine
> > to a PC on the same local LAN (10.0.2.0 network via the eth1
> > interface. eth0 is the gateway device to the internet.)
> >
> > To be more exact, it happens with large data transfers via eth1. If
> > I try to transfer a file the size of an mp3, it will take about one minute
> > to do the transfer. I only have a 10Mbps hub, but it should still only
> > take about 3 or 4 seconds to transfer a song (it used to.) Watching the
> > hub, I see that during file transfer, the activity lights will go crazy
> > for about a second, and then will go dead for about 15 - 30 seconds, and
> > then become active for another second and go dead again. It will do this
> > until the file is transferred. But, I can transfer small files (in the KB
> > range) with no problem and I can stream mp3s all day. I cannot however
> > stream a 3Mbps mpeg video. I also experience this problem when
> > starting and XDM session with the Linux machine. The Linux machine is
> > acting as a firewall. When this is going on, all access to the internet
> > is stopped as well including telneting into the linux machine. All
> > services come back during the 1 second burst of activity, but then go away
> > again. I have checked samba logs and syslogd logs, I have checked to make
> > sure that all services are still running using ps, and I cannot find
> > anything wrong.
> >
> > I have a feeling it has something to do with the way eth1 is setup but
> > cannot figure out what else to look at.
> >
> > Any ideas?
> >
> > Eric
> >
> >
> > ____________________________________________________
> > The Purdue Linux Users' Group (PLUG) mailing list.
> > plug mailing list - plug@csociety.purdue.edu
> > http://csociety.ecn.purdue.edu/mailman/listinfo/plug
> >
>
> --
> Ryan E. Helfter
> reh@blacksoul.net
> Black Soul Networks, LLC
> --
>
>