Re: Extremely slow write speeds to disk : FreeBSD 7.1 and Dell SAS 6/iR Adapter

2009-02-17 Thread Tom Judge
Sebastiaan van Erk wrote: Dieter wrote: But the issue is that writing to disk is extremely slow...i.e. 14Mb per second If I install any other linux distribution, like CentOS, write speek is the way it should be..it averages around 190Mb+ per second I was hoping if it were at all possible

Re: Tuning: 100mbit faster, gbit slower.

2008-04-01 Thread Tom Judge
Josh Paetzel wrote: This is on RELENG_6_3 net.inet.tcp.sendspace=262144 net.inet.tcp.recvspace=262144 kern.ipc.maxsockbuf=1048576 ifconfig em0 mtu 9014 (You'll need a switch that supports jumbo frames to do this) Daniel, you should note that all devices on your network also need to have

Re: mysql scaling questions

2008-01-04 Thread Tom Judge
Kris Kennaway wrote: Gergely CZUCZY wrote: On Fri, Jan 04, 2008 at 08:33:08PM +0100, Kris Kennaway wrote: Gergely CZUCZY wrote: On Thu, Jan 03, 2008 at 10:52:39PM +0100, Kris Kennaway wrote: Gergely CZUCZY wrote: * Compare to my config file here: http://people.freebsd.org/~kris/scaling/my.

Re: intel drivers vs. freebsd drivers

2007-12-21 Thread Tom Judge
Patrick Proniewski wrote: On 21 déc. 07, at 10:03, Gergely CZUCZY wrote: I've just discovered that Intel provides some drivers for the Intel PRO/1000 Family on FreeBSD: I was wondering: is there any point in running those drivers instead of the freebsd ones, performance wise of course. AFAI

Re: Dell/Perc5 raid/MPT SAS Integrated Raid Write Performance

2007-06-08 Thread Tom Judge
Filip Palian wrote: Hi folks, I've also encountered problems with write performnce on PE860, below are some details. I believe that a fix for this went into RELENG_6 this week. Scott Long MFC'd the following fix at 2007-06-05 21:32:57. Tom Commit Message: scottl 2007-06-03 23:13:05 U

Re: PERC5i throughput [was: possible issues with Dell/Perc5 raid]

2007-05-15 Thread Tom Judge
Randy Schultz wrote: On Tue, 15 May 2007, Kevin Kobb spaketh thusly: -}These reports on poor performance using mpt seem to be on SATA -}drives. Has anybody been seeing this using SAS drives? -} -}We are testing Dell PE840s with hot swap SAS drives, and seem to get decent -}performance, though I

Re: possible issues with Dell/Perc5 raid

2007-05-11 Thread Tom Judge
Randy Schultz wrote: On Fri, 11 May 2007, Tom Judge spaketh thusly: -}> -- -} -}From the boot messages you have included below it seems that you have a Dell -}SAS-5i (Internal PCIe) controller and not a Perc/5[ie]. Tnx Tom. Yeah I knew that but didn't catch it in the Subject: Th

Re: possible issues with Dell/Perc5 raid

2007-05-11 Thread Tom Judge
Randy Schultz wrote: Hi there, We just purchased a Dell 860 with these specifics: - dual core pentium 915, 2.8 GHz, 800MHz FSB - 2x512 MB 533 MHz DDR2 RAM - Dell's SAS/SATA drive controller(which is actually an LSILogic) - their 5IR PCI-Express internal RAID controller - a pair of 250

Re: possible issues with Dell/Perc5 raid

2007-05-11 Thread Tom Judge
Bill Moran wrote: In response to Randy Schultz <[EMAIL PROTECTED]>: Hi there, We just purchased a Dell 860 with these specifics: - dual core pentium 915, 2.8 GHz, 800MHz FSB - 2x512 MB 533 MHz DDR2 RAM - Dell's SAS/SATA drive controller(which is actually an LSILogic) - their 5IR PC