Network slow in one direction
Ken & Joy Carr
kcarr at maine.rr.com
Tue May 3 22:21:06 UTC 2005
Rick Stevens wrote:
> Ken & Joy Carr wrote:
>> Rick Stevens wrote:
>>
>>> Ken & Joy Carr wrote:
>>>
>>>> We have a network with a Linux (FC2) server and several Windows
>>>> (XP and Win2K) workstations. Samba on the server provides shared
>>>> folders for the windows machines.
>>>>
>>>> Opening files that are in a Linux-shared folder from a windows
>>>> machine happens very quickly. However, saving files from the
>>>> windows machines to a shared folder takes an excessively long
>>>> time. For example, opening an 8 MB file (in a server shared
>>>> folder) using Power Point takes 1-2 seconds while saving the same
>>>> file takes over 5 minutes.
>>>>
>>>> The problem is present from any of the windows machines and happens
>>>> with any of the shared folders. Different applications, and copying
>>>> files using windows explorer exhibit the same problem.
>>>
>>> Have you checked the Samba logs in /var/log/samba/hostname.log to
>>> see if that offers a clue?
>>>
>>
>> There is no 'hostname.log' - here is a portion of smbd.log --
>> -- it begins with a reboot of the Linux server --
>> ***begin smbd.log fragment***
< snip log fragment >
>> ***end smbd.log fragment***
>
> You have some serious DNS issues. Those "getpeername" failures are
> not good. Someone, somewhere is using bogus IPs (0.0.0.0). Check
> your DNS configuration. If you're not using DNS, then check the
> /etc/hosts file on your Linux machines and your
> c:\win32\system\lmhosts file on the Windows boxes. Make sure all
> machines know the IPs of all the others.
>
>>> I suspect you either have an authentication problem or there's an
>>> issue with converting Windows-style permissions to Linux-style.
>>> We'd need to see the share definition in your /etc/samba/smb.conf
>>> file as well as the authentication bits from the [global] section.
>>
>> Here is smb.conf --
>> ***begin smb.conf***
< snip smb.conf >
>> ***end smb.conf***>
> It's not a good idea to have a "valid users =" line in a [homes]
> section, and it certainly should NOT have an "%S" in it (I'd even be
> suspicious of "%u" or "%U"). It'd be better to set up a global
> "invalid users =" list and remove this line entirely.
>
>
> I think a large part of the problem here is DNS or the lack thereof.
You've given us a lot to think about - thanks.
Vacation starts tomorrow so I'll get back to this when I return.
> ----------------------------------------------------------------------
> - Rick Stevens, Senior Systems Engineer rstevens at vitalstream.com -
> - VitalStream, Inc. http://www.vitalstream.com -
> - -
> - "More hay, Trigger?" "No thanks, Roy, I'm stuffed!" -
> ----------------------------------------------------------------------
>
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