Date: Mon, 30 Jun 2008 15:48:33 -0500 From: worms <worm402@gmail.com> To: "Sten Daniel Soersdal" <netslists@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: trouble shooting samba performance Message-ID: <2e277b740806301348q157eb808u98afa693f78f8e0c@mail.gmail.com> In-Reply-To: <48617450.5070706@gmail.com> References: <2e277b740806200630q6a9482f7uee68da0eb9507d8e@mail.gmail.com> <48617450.5070706@gmail.com>
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On Tue, Jun 24, 2008 at 5:25 PM, Sten Daniel Soersdal <netslists@gmail.com> wrote: > worms wrote: >> >> Hello, >> >> >> Can anyone point me to a guide on trouble shooting samba performance >> or a quick list of common issues I can check for. >> I've been googling but haven't found much that referenced a recent >> version of FreeBSD and Samba. >> >> I am running FreeBSD 7.0 on VmWare Server 2.0 hosted on a CentOS Linux >> box. >> I've used nttcp and iozone to verify that the performance of the >> FreeBSD 7.0 VM is good and am able to copy 6.5GB on disk from one >> location to another in about 2.5 minutes. >> >> Copying to a Windows 2003 server yields a 45 minute transfer time. >> >> Copying to a Windows XP workstation yields a 4 minute transfer time >> >> Summary: >> FreeBSD 7.0 --> FreeBSD 7.0 -- 2.5 minutes ( copying on disk ) >> FreeBSD 7.0 --> WinXP -- 4 minutes ( samba ) >> FreeBSD 7.0 -> Windows 2003 -- 45 minutes ( samba ) >> WinXP --> Windows 2003 -- 5 minutes >> >> Both windows machines are on the same domain. >> >> I've used samba for a number of years and this is the first time I've >> ran into a problem such as this. >> >> So if someone could give me a good starting point on how to >> troubleshoot this I'd appreciate it. >> >> Thanks >> --Lance > > The numbers indicate something i've seen several times but there has been > different answers to it. Sometimes it was the indication that the RAID on > the Windows2003 server was misconfigured or running in DEGRADED mode. > However i've also seen issues regarding TCP/IP settings. > Often it can be a good exercise to try to toggle this sysctl before transfer > (net.inet.tcp.delayed_ack). > Of course these are just clues and not real answers. > > -- > Sten Daniel Soersdal > Thanks for the advice Sten, I'll give that sysctl a try and double check the RAID on the windows machine. --Lance
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