Samba/FTP slow write fast read
George Toft
george at georgetoft.com
Sat Nov 3 09:14:36 MST 2012
proxmox rox! Thanks for the tip.
Regards,
George Toft
On 10/31/2012 4:49 PM, JD Austin wrote:
> I second the Proxmox VE recommendation; expecially if you use the
> virtio drivers.
> http://www.linux-kvm.org/page/WindowsGuestDrivers/Download_Drivers
> If you must have USB support then go with Virtualbox though.
>
>
> On Wed, Oct 31, 2012 at 4:38 PM, Eric Shubert <ejs at shubes.net
> <mailto:ejs at shubes.net>> wrote:
>
> 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>
> <mailto: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.
>
>
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