One, multiple or all workstations? How about server on different host or physicals?
Cesar A. On May 26, 2017 2:10 PM, "Michael B. Smith" <mich...@smithcons.com> wrote: > Without a trace I can't be sure. But it seems likely. > > Have you also verified that the link is negotiating to the highest speed > available and that it is error free? > > -----Original Message----- > From: listsad...@lists.myitforum.com [mailto:listsadmin@lists. > myitforum.com] On Behalf Of Kurt Buff > Sent: Friday, May 26, 2017 4:04 PM > To: ntsysadm > Subject: Re: [NTSysADM] Very strange problem file server - read vs. write > > No, we have not. It's required for some older machines. > > FWIW, the client's I'm testing with are Win10 1607. > > I presume that your implication is that turning it off would speed things > up? > > Kurt > > On Fri, May 26, 2017 at 12:33 PM, Michael B. Smith <mich...@smithcons.com> > wrote: > > Have you disabled smb1? > > > > -----Original Message----- > > From: listsad...@lists.myitforum.com > > [mailto:listsad...@lists.myitforum.com] On Behalf Of Kurt Buff > > Sent: Friday, May 26, 2017 3:20 PM > > To: ntsysadm > > Subject: [NTSysADM] Very strange problem file server - read vs. write > > > > All, > > > > I have a 2012R2 file server running as a VM on vSphere 6.0. > > > > Here's what I'm seeing: > > > > Copy large file (win7 ISO) from file server to workstation, I get > roughly 12-13Mbytes/second, wired or wireless. > > > > Copy that file from workstation to server over a wireless connection, > > same speed - 12-13Mbytes/second > > > > Copy that file from workstation to server over wired connection, speed > > degrades to 1Mbyte/second or less > > > > Copy that file to another 2012R2 VM on the same host on the same SAN > volume (our print server), and speeds are 12-13Mbytes/second for both wired > and wireless. > > > > I've made sure that the following are disabled: RSS, atime, 8.3 filename > generation, TCP Chimney. > > > > RAM and CPU utilization on this machine are well within limits. > > > > I'm thoroughly stumped. > > > > Anyone have pointers for me? I'm about to raise a case with MSFT. > > > > Kurt > > > > > > >
