Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-09 Thread Joshua Boyd
On Sat, Aug 7, 2010 at 1:58 PM, Ivan Voras ivo...@freebsd.org wrote: On 7 August 2010 19:03, Joshua Boyd boy...@jbip.net wrote: On Sat, Aug 7, 2010 at 7:57 AM, Ivan Voras ivo...@freebsd.org wrote: It's unlikely they will help, but try: vfs.read_max=32 for read speeds (but test using

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-09 Thread Ivan Voras
On 9 August 2010 16:55, Joshua Boyd boy...@jbip.net wrote: On Sat, Aug 7, 2010 at 1:58 PM, Ivan Voras ivo...@freebsd.org wrote: On 7 August 2010 19:03, Joshua Boyd boy...@jbip.net wrote: On Sat, Aug 7, 2010 at 7:57 AM, Ivan Voras ivo...@freebsd.org wrote: It's unlikely they will help, but

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-09 Thread Ivan Voras
On 9.8.2010 17:12, Ivan Voras wrote: On 9 August 2010 16:55, Joshua Boyd boy...@jbip.net wrote: On Sat, Aug 7, 2010 at 1:58 PM, Ivan Voras ivo...@freebsd.org wrote: I'm going to try 7.3-RELEASE today, just to make sure that this isn't a regression of some kind. It seems from reading other

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-09 Thread Jeremy Chadwick
On Mon, Aug 09, 2010 at 05:12:21PM +0200, Ivan Voras wrote: On 9 August 2010 16:55, Joshua Boyd boy...@jbip.net wrote: On Sat, Aug 7, 2010 at 1:58 PM, Ivan Voras ivo...@freebsd.org wrote: On 7 August 2010 19:03, Joshua Boyd boy...@jbip.net wrote: On Sat, Aug 7, 2010 at 7:57 AM, Ivan

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-09 Thread Ivan Voras
On 9 August 2010 18:11, Jeremy Chadwick free...@jdc.parodius.com wrote: I thought Intel VT-d was supposed to help address things like this? Probably - http://www.intel.com/technology/itj/2006/v10i3/2-io/7-conclusion.htm says it should help unmodified guests, but I don't know for sure. I do know

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-09 Thread Adrian Wontroba
On Mon, Aug 09, 2010 at 09:11:24AM -0700, Jeremy Chadwick wrote: FWIW, Workstation 7.1 is fairly adamant about stating if you want faster disk I/O, pre-allocate the disk space rather than let disk use grow dynamically. I've never tested this however. Anecdotal, as I have no comparative

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-09 Thread Joshua Boyd
On Mon, Aug 9, 2010 at 12:11 PM, Jeremy Chadwick free...@jdc.parodius.comwrote: On Mon, Aug 09, 2010 at 05:12:21PM +0200, Ivan Voras wrote: On 9 August 2010 16:55, Joshua Boyd boy...@jbip.net wrote: On Sat, Aug 7, 2010 at 1:58 PM, Ivan Voras ivo...@freebsd.org wrote: On 7 August 2010

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-09 Thread Joshua Boyd
On Mon, Aug 9, 2010 at 12:38 PM, Ivan Voras ivo...@freebsd.org wrote: On 9 August 2010 18:11, Jeremy Chadwick free...@jdc.parodius.com wrote: I thought Intel VT-d was supposed to help address things like this? Probably - http://www.intel.com/technology/itj/2006/v10i3/2-io/7-conclusion.htm

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-09 Thread Joshua Boyd
On Mon, Aug 9, 2010 at 11:24 AM, Ivan Voras ivo...@freebsd.org wrote: On 9.8.2010 17:12, Ivan Voras wrote: On 9 August 2010 16:55, Joshua Boyd boy...@jbip.net wrote: On Sat, Aug 7, 2010 at 1:58 PM, Ivan Voras ivo...@freebsd.org wrote: I'm going to try 7.3-RELEASE today, just to make sure

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-09 Thread Jeremy Chadwick
On Mon, Aug 09, 2010 at 11:59:46PM -0400, Joshua Boyd wrote: On Mon, Aug 9, 2010 at 12:11 PM, Jeremy Chadwick free...@jdc.parodius.comwrote: On Mon, Aug 09, 2010 at 05:12:21PM +0200, Ivan Voras wrote: On 9 August 2010 16:55, Joshua Boyd boy...@jbip.net wrote: On Sat, Aug 7, 2010 at

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-09 Thread Joshua Boyd
On Tue, Aug 10, 2010 at 12:05 AM, Jeremy Chadwick free...@jdc.parodius.comwrote: On Mon, Aug 09, 2010 at 11:59:46PM -0400, Joshua Boyd wrote: On Mon, Aug 9, 2010 at 12:11 PM, Jeremy Chadwick free...@jdc.parodius.comwrote: On Mon, Aug 09, 2010 at 05:12:21PM +0200, Ivan Voras wrote:

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-07 Thread Ivan Voras
On 7.8.2010 3:21, Joshua Boyd wrote: Hello, I'm experiencing slow write speeds on 8-STABLE running on an ESXI 4.0 server, despite whatever tunables I've thrown at it. Read speeds are slower than they should be, but acceptable. Note, this is a thick provisioned disk, not thin. Speeds on

Re: 8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-07 Thread Ivan Voras
On 7 August 2010 19:03, Joshua Boyd boy...@jbip.net wrote: On Sat, Aug 7, 2010 at 7:57 AM, Ivan Voras ivo...@freebsd.org wrote: It's unlikely they will help, but try: vfs.read_max=32 for read speeds (but test using the UFS file system, not as a raw device like above), and:

8-STABLE Slow Write Speeds on ESXI 4.0

2010-08-06 Thread Joshua Boyd
Hello, I'm experiencing slow write speeds on 8-STABLE running on an ESXI 4.0 server, despite whatever tunables I've thrown at it. Read speeds are slower than they should be, but acceptable. Note, this is a thick provisioned disk, not thin. Speeds on Windows hosts are as expected for an MD3000