[Samba] EXTERNAL: Re: SAMBA bringing NFS server to a halt

Joseph, Matthew (EXP) matthew.joseph at lmco.com
Wed Mar 6 07:25:23 MST 2013

My apologizes Simo, I did not intend with that comment to put down the Samba community as a whole I was just trying to point out a fault with a certain user.

I will try fooling around with those options that you listed below and see if any of them remedy my issue.

Thanks for taking the time and effort on this issue.


-----Original Message-----
From: samba-bounces at lists.samba.org [mailto:samba-bounces at lists.samba.org] On Behalf Of Simo
Sent: Wednesday, March 06, 2013 9:47 AM
To: samba at lists.samba.org
Subject: Re: [Samba] EXTERNAL: Re: SAMBA bringing NFS server to a halt

On 03/06/2013 08:28 AM, Joseph, Matthew (EXP) wrote:
> Hello JAB,
> Thank you for taking the time to respond to this in a very helpful manner... If the SAMBA community does not care about helping someone with a "wildly out of date server" then they should state that before letting someone join the mailing list.

Do not ascribe to the whole community the shortcomings of an individuals the volunteers 'his' opinion please.

> This is a production server on a closed LAN which we don't have the option of upgrading it to RHEL 5.9 or greater in the near future.
> So with that being said, anyone have any experience with what I am dealing with?

Unless you have 15000 servers connected the fact you have that many processes indicates a serious issue with the server or at least one of the clients. Samba creates just 1 single process per client and all its requests are served by that process. If you are seeing multiple processes it means the client is opening multiple connections. That is wrong and indicate there is probably a bug with either server processes crashing, becoming unresponsive or both, or the client misbehaving..

You may want to consider trying playing with the following parameters on your samba server:
- deadtime
- max connections
- keepalive
- reset on zero vc

You may also want to prevent samba from dumping core if that is activated as it could put pressure on disks and the kernel if too many processes core all at once.

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