System Driver Parameter Max_Scsi_Luns - HP FCA2214DC PCI-X Installation Manual

Note:
driver parameter value specified in the /etc/modules.conf file takes effect.
2. To manually unload the qla2x00 driver, enter the following command at the

System Driver Parameter max_scsi_luns

Support for multiple LUNs can be configured in one of three ways. Currently, the
maximum number of LUNs that can be scanned for each device is 128.
Note:
supported by any one of these HBAs.
For LILO, perform the following steps:
1. Add the following line to each of the kernel images listed in the /etc/lilo.conf
FCA2214/FCA2214DC PCI-X Host Bus Adapters for Linux, NetWare, and Windows Installation
Guide
HP recommends loading the driver using the modprobe command so that any
e. For Redhat 7.2 with kernel 2.4.9-21 or later, rename the old binary
included in the original distribution to ensure that it does not interfere
with the updated version as follows:
# cd /lib/modules/<kernel
version>/kernel/drivers/addon/qla2300
# mv qla2300.o qla2300_rh.o
After renaming the older driver version, load the new driver using
modprobe after updating the dependency file.
command prompt:
# modprobe –r qla2300
If you have multiple HBAs, set max_scsi_luns to the largest number of LUNs
To configure multiple LUN support during boot time, enter the following
command at the boot prompt:
boot: linux max_scsi_luns=128
If the SCSI Mid-Layer is compiled as a module, add the following line to the
/etc/modules.conf file to scan for multiple LUNs at each boot:
option scsi_mod max_scsi_luns=128
If the SCSI Mid-Layer is not compiled as a module, the boot loader can be
configured to scan for multiple LUNs each time the system boots.
file:
append="max_scsi_luns=128"
Installing the Linux Driver
29