We use a 500 Celeron as a samba 2.0.7 Primary Domain Controller, and for
the majority of the file-serving tasks. It has been running with a
HPT366 PCI IDE controller (which has worked very well), but we were
running out of space, so we decided to get a hpt370-based PCI IDE
controller (the Iwill one) and some more disks.
The people whos data will be living on the disks wanted to have RAID, so
we got 2 IBM45GXPs.
I have compiled a 2.4.1 kernel with support for the HPT366 controller
and RAID0, made new device files for the hdi-hdl partitions, changed
some kernel options in grub, and rebooted.
Now the problem:
Although the machine boots fine, it only finds one channel of the new
controller. Here is the output of "dmesg|grep ide":
ide: Assuming 33MHz system bus speed for PIO modes; override with
idebus=xx
ide2: BM-DMA at 0xd400-0xd407, BIOS settings: hde:pio, hdf:DMA
ide3: BM-DMA at 0xe000-0xe007, BIOS settings: hdg:pio, hdh:DMA
ide4: BM-DMA at 0xc800-0xc807, BIOS settings: hdi:DMA, hdj:pio
ide5: BM-DMA at 0xc808-0xc80f, BIOS settings: hdk:DMA, hdl:pio
ide0: BM-DMA at 0xf000-0xf007, BIOS settings: hda:DMA, hdb:DMA
ide1: BM-DMA at 0xf008-0xf00f, BIOS settings: hdc:DMA, hdd:DMA
ide2 at 0xcc00-0xcc07,0xd002 on irq 11
ide3 at 0xd800-0xd807,0xdc02 on irq 11
ide5 at 0xc000-0xc007,0xc402 on irq 9
So it seems that ide4 gets lost somewhere. Does anyone know how I can
force it to find the missing controller? Can I pass ide4=0x????,0x????
using the values above?
Performance of ide5 looks pretty good:
[caepdc:/home/bgmilne]# hdparm -tT /dev/hdk
/dev/hdk:
Timing buffer-cache reads: 128 MB in 1.45 seconds = 88.28 MB/sec
Timing buffered disk reads: 64 MB in 1.86 seconds = 34.41 MB/sec
This is a production machine that I can only reboot after hours ...
This should make an interesting machine to "crashtest" ...
(if replying to expert, please cc to me directly, I am receiving expert
in digest mode ...)
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|----------------Registered Linux User #182071-----------------|
Buchan Milne Mechanical Engineer, Network Manager
Cellphone * Work +27 82 472 2231 * +27 21 808 2497
Stellenbosch Automotive Engineering http://www.cae.co.za
