Also: Do you run sensorsd on this system?
In gmane.os.openbsd.misc, I wrote: > On 2010-05-11, Schafhauser, Florian <[email protected]> wrote: >> Am 07.05.2010 11:35, schrieb Stuart Henderson: >>> On 2010-05-06, Schafhauser, Florian <[email protected]> wrote: >>>> Hello, >>>> >>>> the RAID Controller causes trouble with OpenBSD 4.5 and 4.6. >>> >>> First off, for mpi(4) you want one of these patches: >>> >>> ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.5/common/015_mpi.patch >>> ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.6/common/009_mpi.patch >>> ftp://ftp.openbsd.org/pub/OpenBSD/patches/4.7/common/002_mpi.patch >>> >>>> Reading and writing is quite slow. When I use I/O intensive applications >> like >>>> squid, machine dies within next 30 minutes. >> >> I applied the patch in this way: >> cvsup -g -L2 /etc/cvsup >> patch -p1 < 009_mpi.patch >> rebuild the kernel >> reboot >> >> 102400000 bytes transferred in 15.936 secs (6425378 bytes/sec) >> 102400000 bytes transferred in 16.173 secs (6331465 bytes/sec) >> 102400000 bytes transferred in 16.004 secs (6398081 bytes/sec) >> >> Writing speed is still the same. > > This won't help writing speed but it would be very interesting to > know if it does anything to help with the freezes. > > > >>> Are you sure about reading being slow? That speed seems about right >>> for write-cache being disabled on the volume. >>> >>> >> http://old.nabble.com/Re%3A-HP-DL140-G3%2C-mpi%284%29-SAS1068-%28hotplug%29%2 >> C-slow-disk-writes.-p17059402.html > > This (i.e. running the raid vendor's tool under linux and enabling > write-cache for the array) might help writing speed.
