QLogic HBA and max_luns

[Paul Howarth]

On Mon, 2005-08-01 at 19:51 +0400, karasiov at infobox.ru wrote:
> hello, fedora-list.
> 1. I have Fedora Core (2.6.11-1.1369_FC4smp) installed from scratch.
> 2. I have QLogic HBA  QLA2340 (new BIOS installed)
> 3. I have Hitachi RAID with 3 LUNs on it
> 
> Here is my /etc/modprobe.conf
> 
> alias scsi_hostadapter sata_sil
> alias eth0 e1000
> alias eth1 e1000
> alias scsi_hostadapter1 qla2300
> alias usb-controller uhci-hcd
> options scsi_mod max_luns=8

This is curious because I thought Fedora kernels (unlike RHEL kernels)
scanned all LUNs by default.

> mkinitrd is done

Was it done after the "options scsi_mod max_luns=8" line was added to
modprobe.conf?

> Here is my /etc/grub.conf
> 
> title Fedora Core (2.6.11-1.1369_FC4smp)
>         root (hd0,0)
>         kernel /vmlinuz-2.6.11-1.1369_FC4smp ro root=LABEL=/1 max_luns=8
>         initrd /initrd-2.6.11-1.1369_FC4smp.img
> Here is my dmesg output
> 
> -----------dmesg output ------------------------------------------
> QLogic Fibre Channel HBA Driver
> ACPI: PCI Interrupt 0000:02:01.0[A] -> GSI 48 (level, low) -> IRQ 193
> qla2300 0000:02:01.0: Found an ISP2312, irq 193, iobase 0xf8820000
> scsi4 : qla2xxx
> qla2300 0000:02:01.0: Configuring PCI space...
> qla2300 0000:02:01.0: Configure NVRAM parameters...
> qla2300 0000:02:01.0: Verifying loaded RISC code...
> qla2300 0000:02:01.0: Waiting for LIP to complete...
> qla2300 0000:02:01.0: LOOP UP detected (2 Gbps).
> qla2300 0000:02:01.0: Topology - (F_Port), Host Loop address 0xffff
> qla2300 0000:02:01.0:
>  QLogic Fibre Channel HBA Driver: 8.00.02b5-k
>   QLogic QLA2340 -
>   ISP2312: PCI-X (133 MHz) @ 0000:02:01.0 hdma+, host#=4, fw=3.03.08 IPX
>   Vendor: HITACHI   Model: DF600F            Rev: 0000
>   Type:   Direct-Access                      ANSI SCSI revision: 03
> SCSI device sdb: 734005248 512-byte hdwr sectors (375811 MB)
> SCSI device sdb: drive cache: write through
> SCSI device sdb: 734005248 512-byte hdwr sectors (375811 MB)
> SCSI device sdb: drive cache: write through
>  sdb: sdb1 sdb2 sdb3
> Attached scsi disk sdb at scsi4, channel 0, id 0, lun 0
> scsi: host 4 channel 0 id 0 lun1 has a LUN larger than allowed by the host adapter
> scsi: host 4 channel 0 id 0 lun2 has a LUN larger than allowed by the host adapter

Are these last two lines the result of the commands below, or did it
scan and detect lun1 and lun2 when the qla2300 module was loaded?

> ----------end of dmesg output --------------------
> 
> 
> when I try to run this command - it do HOTHING
> 
> echo "scsi add-single-device 4 0 0 1" > /proc/scsi/scsi
> echo "scsi add-single-device 4 0 0 2" > /proc/scsi/scsi
> 
> I can not find 2 other LUNs (1 and 2).
> 
> What's wrong with me?

Dunno!

Paul.
-- 
Paul Howarth <paul at city-fan.org>