Samba/FTP slow write fast read

[Eric Shubert]

While I still have a couple hosts running VMWare Server 2.0.2 on CentOS 
5.x, I've given up that ship. I think you're walking on thin ice running 
VMWare Server 2 on just about anything these days, especially Windoze. I 
doubt you'll find much help solving any problems with Server 2, given 
that VMWare has dropped it as I expect most users have also by now.

I highly recommend running Proxmox VE as a virtualization host platform. 
It's similar to VMware Server in many ways, but I've found it even 
easier to use. While it requires a cpu that supports virtualization, 
that's not so hard to find these days.

We're beginning to document the process of building a Tagcose server 
based on PVE. See http://tagcose.com for details. We meet monthly at UAT 
(2nd Sat) to work on Tagcose development. You're welcome to join us if 
you'd like.

-- 
-Eric 'shubes'



On 10/28/2012 01:13 PM, George Toft wrote:
> Continuing saga . . .
> SMB and FTP from another physical to this virtual run at full speed.
> SMB from every Win7 box except this one runs at full speed.  The
> communications bog down only for SMB/FTP on the physical host to the
> VM.  Next step is to build a dedicated VMware host.  I probably should
> have done that to begin with, but was trying to cut down on the number
> of physical systems running.
>
> Regards,
>
> George Toft
>
> On 10/28/2012 7:13 AM, Michael Havens wrote:
>> thanks for the update!
>> :-)~MIKE~(-:
>>
>>
>> On Sat, Oct 27, 2012 at 10:07 PM, George Toft <george at georgetoft.com
>> <mailto:george at georgetoft.com>> wrote:
>>
>>     Further investigation shows it's not FTP nor samba.  It's Windows
>>     7 (which I used for Windows file and FTP).  Using smbclient on a
>>     Linux box I get 19MB/sec and FTP from Linux I get 32MB/sec.
>>      Concurrent with replacing the old file server was the purchase of
>>     a new PC.  I guess we know what XP does better than Windows 7.
>>
>>     Regards,
>>
>>     George Toft
>>
>>     On 10/27/2012 6:01 PM, George Toft wrote:
>>
>>         Spent several hours researching this one - can't find a
>>         solution.  I hope someone here can hit me with a clue-by-four.
>>
>>         CentOS 6.3 64-bit virtual running under VMware 2.0.2 fresh
>>         install with FTP/Samba/NFS running.  I copied 500+GB of data
>>         from the old computer to the new one using NFS at full network
>>         speed (11+ MB/sec).  Life's good.
>>
>>         Now here it is a day later, and my samba write speed is a
>>         blazing 80KB/sec (up from 40KB/s when I started
>>         troubleshooting).  I read samba should approach FTP speed and
>>         I verified it does - FTP writes to the new machine at about
>>         the same speed.  Reads still take place a full speed (now it's
>>         on a 1Gbps network) - 33MB/sec. Writes . . . 99.8% slower.  I
>>         did not have this problem on the previous samba server (CentOS
>>         4.8 32-bit).
>>
>>         I added memory (it now has 1GB RAM, 1 GB swap) and it has 2
>>         CPU's. This had no effect.
>>
>>         In summary, NFS works at full speed both ways.  Samba/FTP are
>>         fast on reads but snail slow on writes.
>>
>>         My next thought is to install ClearOS, test it, and copy their
>>         smb.conf.  Or install CentOS 5.x and see if it has the same
>>         problems.
>>
>>         Any ideas where to look on this one?  smb.conf necessary.
>>
>>
>>     ---------------------------------------------------
>>     PLUG-discuss mailing list - PLUG-discuss at lists.plug.phoenix.az.us
>>     <mailto:PLUG-discuss at lists.plug.phoenix.az.us>
>>     To subscribe, unsubscribe, or to change your mail settings:
>>     http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
>>
>>
>>
>>
>> ---------------------------------------------------
>> PLUG-discuss mailing list -PLUG-discuss at lists.plug.phoenix.az.us
>> To subscribe, unsubscribe, or to change your mail settings:
>> http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss
>
>
>