[Samba] Samba kills network.

Roots roots0 at gmail.com
Wed Apr 11 00:13:21 GMT 2007

Tom Peters wrote:

Nope Refreshing my shares does not help when i am getting errors on the 
network. Still getting large amounts of errors generated and a hang of 
all the computers using network processes:

Apr 11 01:08:37 Ghost smbd[32453]: [2007/04/11 01:08:37, 0] 
Apr 11 01:08:37 Ghost smbd[32453]:   write_data: write failure in 
writing to client Error Broken pipe
Apr 11 01:08:37 Ghost smbd[32453]: [2007/04/11 01:08:37, 0] 
Apr 11 01:08:37 Ghost smbd[32453]:   Error writing 75 bytes to client. 
-1. (Broken pipe)
Apr 11 01:09:18 Ghost smbd[9885]: [2007/04/11 01:09:18, 0] 
Apr 11 01:09:18 Ghost smbd[9885]:   read_data: read failure for 4 bytes 
to client Error = Connection reset by peer
Apr 11 01:09:18 Ghost smbd[9885]: [2007/04/11 01:09:18, 0] 
Apr 11 01:09:18 Ghost smbd[9885]:   write_data: write failure in writing 
to client Error Broken pipe
Apr 11 01:09:18 Ghost smbd[9885]: [2007/04/11 01:09:18, 0] 
Apr 11 01:09:18 Ghost smbd[9885]:   Error writing 75 bytes to client. 
-1. (Broken pipe)

Tim Otten

> At 10:14 AM 4/7/2007 +0200, C.Scheeder wrote:
>> Tom Peters schrieb:
>>> By the way, I was hoping this would be significant: If I refresh my 
>>> view of a Samba share on the XP box by pressing F5 or clicking 
>>> View-->Refresh, so that there is some recent activity on that share, 
>>> and then begin the copy operation immediately, e.g. within 20 
>>> seconds, the copy operation always succeeds.
>> This makes me beleave it's a problem of your XP-installation.
>> Please give it a try to boot with a knoppix or another live-cd and 
>> then test if the problems are reproduceable or not.
>>> Roots <roots0 at gmail.com> is that true for you as well?
>>> The files I am copying tend to be medium-large: 180 mb to 900 mb. 
>>> But even with small files I've had it do the same thing.
>>> At 10:00 AM 4/6/2007 +0200, C.Scheeder wrote:
>>>> Hi,
>>>> First:
>>>> you missed to tell us the version of samba you are using, and the
>>>> Software/OS of the client you are trying to copy your files from.
>>> Yes, sorry, I realized after that we had not discussed versions or 
>>> etc. Of course I don't know what versions Roots <roots0 at gmail.com> 
>>> but I have 3.0.9-2.3 of Samba here. I know it's pretty old.
>> and your kernelversion is?
> 2.6.8-24.25
>>>> second:
>>>> I never had any problems moving large files around using w98/W2k/XP
>>>> boxes to and from the samba-servers i maintain (roundabout 12 
>>>> machines),
>>>> except when bad/dying hardware/software was involved.
>>>> have you tried from another client?
>>> Yes. Similar issues result from another XP Pro box.
>>>> have you updated ALL your clients drivers (not only the Nic's drivers)
>>>> to the latest versions?
>>> No.
>> Ok as you have tryend from two clients, that shouldn't be a problem,
>> as i guess they have diffrentz Hardware.
>>>> have you checked if there are corrupted packets on your network 
>>>> ("ifconfig eth1" shows you statistics off packets on your server)
>>> It's eth0 for me. Out of 95 million packets received the errors 
>>> counts are: 1 error, 7 overruns, 1 frame, 0 dropped.
>>> For 102.77 million packet sent, I have zero errors of any kind, zero 
>>> collisions, txqueue length 1000.
>> OK, that is bad. You should not get errors here with modern Hardware.
>> I checked the servers i can lay my hands on from here, and they have 
>> no errors, nada. (one of them with over 300 million packets send and 
>> received, and 5 other with lower counts, probably caused by wrapping 
>> counters.)
>>>> have you replaced any peace of hardware inbetween the server and the
>>>> client?
>>> No. Well, yes, but it made no difference. I swapped my SMC 
>>> 10/100/1000 switch out for a 3Com SmartStack 10/100.
>>> I did however try a crossover cable some time ago. The same results 
>>> (errors) occur.
>> Did you try and replace the NIC's in the clients and the server?
>> I have seen strange things happen with partly damaged/dying NIC's.
>> Even defekt onboard NIC's on brand new motherboards.
>>>> (if you don't have a spare-switch, connect client and server via an 
>>>> crossover-cable...)
>>>> has your switch updateable firmware? if yes, have you updated it to 
>>>> the
>>>> latest version?
>>> I checked. There is no later version available for the SMC.
>>>> try to boot knoppix on the client and smbmount the shares then test 
>>>> if then copying works.
>>>> Make shure your server is the masterbrowser at any time.
>>> The os level is set to 33, which is supposed to make sure of that.
>> SUPPOSED, i've seen XP-computers steal the Masterbrowser-role even from
>> a samba server with os-level set to 255, took me half a Day to find the
>> machine and punish the user for having installed tcp-ip, netbios and
>> netware-protokoll on the machine.
>>>> make shure ALL unused network connections in your clients are 
>>>> disabled. (like ieee1394-network, or dvb-network, unused 
>>>> WLAN-Connetions and what the hell modern windows versions think of 
>>>> devices being able to do networking)
> Hmmm.... The 1394 connection was bound to Client for Microsoft 
> Windows, Service Advertising Protocol, File and Printer Sharing for MS 
> Networks, and Internet protocol.
> I don't anticipate using the 1394 connection for anything soon, so I 
> cleared the checkboxes for most of that. SAP is greyed-out, can't 
> change that one.
> My first attempt to copy files to a samba drive failed immediately, 
> just as before. Perhaps a therapeutic reboot is necessary.
> -Tom
>>>> Christoph
>> Christoph
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> -----
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