Re: slow io operations on xSeries 336

2007-02-25 Thread Andreas Bihlmaier
On Fri, Feb 23, 2007 at 01:40:29PM -0500, Jose Fragoso wrote: > Hi, > > Looking at the diff between dmesg running GENERIC kernel and dmesg running > .MP kernel, I noticed the line below: > > ioapic0: pin 16 shares different IPL interrupts (40..50), degraded > performance > > in the .MP dmesg. Co

Re: slow io operations on xSeries 336

2007-02-15 Thread Jose Fragoso
>> can i see a dmesg as well? if you're running the machine as an >> amd64, can you try it again as an i386? I am running as an i386 $ arch OpenBSD.i386 The dmesg follows. Thanks in advance. Regards, Jose OpenBSD 4.0 (GENERIC.MP) #936: Sat Sep 16 19:27:28 MDT 2006 [EMAIL PROTECTED]:/usr/

Re: slow io operations on xSeries 336

2007-02-14 Thread David Gwynne
can i see a dmesg as well? if you're running the machine as an amd64, can you try it again as an i386? dlg On 15/02/2007, at 3:38 AM, Jose Fragoso wrote: thats very... vague... Sorry. I agree. where are you creating this 50G partitiong? in the installer, or in the installed operating sys

Re: slow io operations on xSeries 336

2007-02-14 Thread Jose Fragoso
>> thats very... vague... Sorry. I agree. >> where are you creating this 50G partitiong? in the installer, or in >> the installed operating system? what command did you use? In the installer. >> how long did it actually take? "a really long time" could be 5 >> seconds if you're expectations are

Re: slow io operations on xSeries 336

2007-02-14 Thread David Gwynne
On 14/02/2007, at 9:59 PM, Jose Fragoso wrote: Hi, I just installed OpenBSD 4.0 on an IBM xSeries 336. I have noticed that, for some reason, I/O operations are not carried out as fast as one would expect for a machine with SCSI disks. For instance, the creation of a 50GB partion took a re