[Samba] Samba clients disconnect periodically

Doug VanLeuven roamdad at sonic.net
Wed Nov 14 21:49:21 GMT 2007

Hash: SHA1

BIS wrote:
> Any help Please
> On Tue, 2007-11-13 at 16:35 -0600, BIS wrote:
>> I am using Samba 3.0.10 with Red hat (4.5) as samba fileserver. It is
>> very basic setup with Ldap setup. 
>> All of our desktop  (Windows and MAC) clients (>250) simultaneously
>> started dropping their connections to our Samba fileserver. Since then,
>> I have tested with RHEL5 and SuSE with Samba 3.0.23c, 24 and 25. None
>> the latested fix this problem.
>> So I downgraded to samba 3.0.10 and it works better but still have
>> problem disconnecting with clients disconnection. The problem has also
>> appeared on clients running disparate operating systems: Mac OS 10.3.9
>> and 10.4.x, Windows 2000 and Windows XP.  (None of our Linux desktops
>> use the CIFS mounts we provide.)
>> I was never able to replicate on Windows Desktop.

I've never seen this be anything but a network issue.  Switch, hub,
network card in the server, etc.  Once I had a UPS go bad where it
dropped one AC cycle and the network switch wouldn't reboot or register
a problem but would lose packets in transit.  Just the machines in one
building were disconnecting so it pointed to a common network issue.

You would want to check the hardware associated with the server if all
client machines started showing symptoms.

Regards, Doug

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