Re: SOS - Install a New SCSI HBA on Linux

From: Robert Heller (heller_at_deepsoft.com)
Date: 04/22/04 

Date: Thu, 22 Apr 2004 13:09:03 +0200

  "L" <l_x2828@yahoo.com>,
  In a message on Wed, 21 Apr 2004 17:40:48 -0500, wrote :

"> > The /dev/sd?? device is the device you use for disk I/O. The /dev/sg?
"> > device is for generic I/O, generally NOT used for normal hard drives.
">
"> What about SCSI passthrough ioctl calls, can they be sent to both sd and sg
"> devices, or just sg?

Generally just sg. But generally, they are not needed for disk drives.

">
"> > "> - it seems by clicking "Configure" button during boot (after add a new
"> HW),
"> > "> Linux doesn't load the required driver by itself. Is it right?
"> >
"> > You have to update the /etc/modules.conf file to include the scsi
"> > driver. Once /etc/modules.conf has been updated (and a new initrd
"> > created), the Linux kernel will load the driver at boot time.
">
"> I put 'alias scsi_hostadapter aic7xxx' in /ect/module.conf, but after reboot
"> I still need to manually load aic7xxx. Do I need to run some command after
"> modifying module.conf to let the change take effect?

You probably need to (re-)create your initrd.

man mkinitrd
man lilo
man grub

">
"> Thanks,
">
"> T.
">
">
">
">

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