Ammasso 1100 Betriebsanweisung PDF herunterladen (Seite 57)

7.4.3 Populating the Ramdisk

Create an initrd directory structure to be used for the ramdisk. For this example, the initrd

directory structure is shown below:

# ls ${INITRD}

bin ccore dev etc linuxrc mnt modules proc sbin share var

Copy the BusyBox files:

# cp -a ${BUSYBOX}/_install/bin/* ${INITRD}/bin

# cp -a ${BUSYBOX}/_install/sbin/* ${INITRD}/sbin

Copy insmod from modutils:

# cp ${MODUTILS}/insmod/insmod.static ${INITRD}/bin/insmod

Copy the firmware and loading tools:

# cp ${AMSO1100}/verbatim/fw/boot ${INITRD}/ccore/ccos.boot

# cp ${AMSO1100}/verbatim/release/fw/boot_image ${INITRD}/ccore/ccos.bin

# cp ${AMSO1100}/verbatim/release/fw/boot_image_start \

${INITRD}/ccore/ccos.bin_start

Copy the AMSO1100 host device driver. This driver module must be built against the kernel

that will be PXE booted.

# cp ${AMSO1100}/software/host/linux/sys/devccil/obj_\

`uname -r`_release/ccil.o ${INITRD}/modules/net/

Depending on your kernel configuration, you may need to copy additional drivers to the

ramdisk. These drivers can be found in /lib/modules/`uname -r`/kernel/

With most RedHat installations we needed drivers to support NFS. The modules we needed

were sunrpc.{o,ko}, lockd.{o,ko}, and nfs.{o,ko}. They should be installed in

${INITRD}/modules/net/.

With most SuSE installations we needed drivers for Raw Socket support. The module we

needed was af_packet.{o,ko}. This module is installed in

${INITRD}/modules/net/.

Edit ${INITRD}/linuxrc accordingly (see below for some detail).

Example 1 [for RHEL 3, 2.4.21-15.ELsmp]:

# load the drivers

insmod /modules/net/sunrpc.o

insmod /modules/net/lockd.o

insmod /modules/net/nfs.o

insmod /modules/net/ccil.o

Example 2 [for SuSE 9, 2.4.21-102-smp]:

# load the drivers

insmod /modules/net/af_packet.o

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Ammasso 1100 Betriebsanweisung Seite 57