[Samba] Connection dropped when copying large files to a SambaServer

[Michelle Dupuis]

Not hijacking the thread here...just adding more info as I have the same
issue.

I run Samba 3.0.23c (on FC6 64 bit), and am backing up from a Windows box to
my Samba share.  Sometimes it works great; other times the samba share locks
up (I need to restart the smb service); and last week samba caused a kernel
panic.  I can sometimes get 65GB onto the share before it locks up.

I can backup to the share using NFS (using Windows Services for Unix)
without issue, but not to Samba.  My relevant smb.conf settings are:

reset on zero vc = yes
read raw = yes
socket options = TCP_NODELAY SO_RCVBUF=8192 SO_SNDBUF=8192

Strangely, smb logs NO errors!  Trying to browse to the share from any
windows client times out.  But, after an smb restart everything is fine
again.

-MD-
-----Original Message-----
From: samba-bounces+support=ocg.ca at lists.samba.org
[mailto:samba-bounces+support=ocg.ca at lists.samba.org] On Behalf Of Felipe
Augusto van de Wiel
Sent: Monday, February 05, 2007 9:05 AM
To: samba at lists.samba.org
Subject: Re: [Samba] Connection dropped when copying large files to a
SambaServer

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On 01/30/2007 02:44 PM, mactek - Manuel Teixeira wrote:
> Hi all
>  
> I have a CentOS 4.4
>  
> Kernel 2.6.9-11.EL
> Samba (smbd -V)
> 3.0.10-1.4E.9

	As a side note, you _really_ should install a newer version of
Samba, the last stable release is 3.0.23d.


> I've been using this server as a small file server recently i needed 
> to do a backup (ntbackup to file) and the backup fails randomly, the 
> largest backup file i managed was about 3GBytes I tried copying large 
> files and randomly the connection is lost I tried with a ping at the 
> same time and the replies don't get interrupted so it seems to me it 
> is a samba issue
>  
> I have the latest versions (except the kernel) or so the updater tells 
> me

	If you are talking about samba then, no, definetely you don't have
the latest version. Could you please post your smb.conf so the list can take
a look at it?

	Good tips would include to check the oplocks and the socket options.


> thanks all
> Manuel Teixeira

	Kind regards,

- --
Felipe Augusto van de Wiel <felipe at paranacidade.org.br> Coordenadoria de
Tecnologia da Informação (CTI) - SEDU/PARANACIDADE
http://www.paranacidade.org.br/           Phone: (+55 41 3350 3300)
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