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

Toby Bluhm tkbsmb at midwestinstruments.com
Mon Feb 5 14:31:08 GMT 2007

Michelle Dupuis wrote:
> 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

The current thinking on this list sez that SO_RCVBUF and  SO_SNDBUF are 
not needed and may actually degrade performance. Try commenting those 
out & test again.



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