Re: [Xen-users] [About DL140G2 SATA harddisk]

I got solutions.

It seems that Xen using another mode to load kernel.

Just add ide0=noprobe ide1=noprobe hda=noprobe at end of module /vmliuz.., it looks like

module /vmlinuz-2.6.18-8.1.15.1.16.el5xen ro root=LABEL=/1 ide0=noprobe ide1=noprobe hda=noprobe

and edit your /etc/fstab, change all hdaX to sdaX .

----- Original Message -----

From: Forrest Wang

To: xen-users@xxxxxxxxxxxxxxxxxxx

Sent: Tuesday, March 17, 2009 10:55 AM

Subject: [Xen-users] [About DL140G2 SATA harddisk]

Hi,guys

    I have 3 HP DL140G2 servers and install Oracle VM 2.12 on them. After installment, OVM recognize my SATA harddisk as ATA.

    I did the following process.



    1. changed /boot/grub/grub.conf ,added ide0=noprobe on every kernel line, it looks like this

       kernel /xen-64bit.gz dom0_mem=668M ide0=noprobe

    2. changed /boot/grub/device.map ,let /dev/hda to /dev/sda

    3. reboot my server.

    Unfortunately,the changes is not effective.



    After then, I recompile /boot/initrd-2.6.18-8.1.15.1.16.el5xen.img,changed to

    echo "Loading ahci.ko module"
    insmod /lib/ahci.ko

    on init, and copy ahci.ko to lib/ directory.

    And changed /etc/modprobe.conf to

    alias scsi_hostadapter ahci

    reboot my server.

    Unfortunately,the changes is not effective.

    I used df, the disk is showed as /dev/hda3

    I use lsmod, I can see

    ahci                   22085 0
    libata                 97881 2 ata_piix,ahci

    It means I had load ahci as harddisk driver?

    My Xen version si Xen version 3.1.4



    Here are my dmesg uniform part and ata_piix part.

Uniform Multi-Platform E-IDE driver Revision: 7.00alpha2
ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx
Probing IDE interface ide0...
hda: Maxtor 6Y080M0, ATA DISK drive
Probing IDE interface ide1...
ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
hda: max request size: 512KiB
hda: 156301488 sectors (80026 MB) w/7936KiB Cache, CHS=16383/255/63
hda: cache flushes supported
hda: hda1 hda2 hda3 hda4 < hda5 >



ACPI: PCI Interrupt 0000:02:00.0[A] -> GSI 16 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:02:00.0 to 64
eth0: Tigon3 [partno(BCM95721) rev 4101 PHY(5750)] (PCI Express) 10/100/1000Base-T Ethernet 00:14:38:a7:64:f2
eth0: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[1] WireSpeed[1] TSOcap[1]
eth0: dma_rwctrl[76180000] dma_mask[64-bit]
ACPI: PCI Interrupt 0000:03:00.0[A] -> GSI 16 (level, low) -> IRQ 16
PCI: Setting latency timer of device 0000:03:00.0 to 64
eth1: Tigon3 [partno(BCM95721) rev 4101 PHY(5750)] (PCI Express) 10/100/1000Base-T Ethernet 00:14:38:a7:64:f3
eth1: RXcsums[1] LinkChgREG[0] MIirq[0] ASF[0] WireSpeed[1] TSOcap[1]
eth1: dma_rwctrl[76180000] dma_mask[64-bit]
input: PC Speaker as /class/input/input0
EDAC MC: Ver: 2.0.1 Aug 1 2008
intel_rng: FWH not detected
EDAC e752x: tolm = d8000, remapbase = 200000, remaplimit = 224000
EDAC MC0: Giving out device to e752x_edac E7520: DEV 0000:00:00.0
ata_piix 0000:00:1f.2: version 2.00
ata_piix 0000:00:1f.2: MAP [ P0 -- P1 -- ]
ACPI: PCI Interrupt 0000:00:1f.2[A] -> GSI 18 (level, low) -> IRQ 19
ata: 0x1f0 IDE port busy
PCI: Setting latency timer of device 0000:00:1f.2 to 64
ata1: SATA max UDMA/133 cmd 0x170 ctl 0x376 bmdma 0x1478 irq 15
scsi0 : ata_piix
ATA: abnormal status 0x7F on port 0x177
ACPI: PCI Interrupt 0000:00:1f.3[B] -> GSI 17 (level, low) -> IRQ 20
floppy0: no floppy controllers found
lp: driver loaded but no devices found
ACPI: Power Button (FF) [PWRF]
ACPI: Power Button (CM) [PWRB]
ibm_acpi: ec object not found

    So how can I　let my OS use SATA harddisk?

Forrest Wang

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Re: [Xen-users] [About DL140G2 SATA harddisk]