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iscsibootprepfc5 [2006/09/18 07:19] mcb30 |
iscsibootprepfc5 [2006/09/18 12:03] (current) mcb30 |
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| These instructions assume that you have an installation of Fedora Core 5 on a local hard disk. We will make this installation iSCSI-boot-capable, then copy it to a remote iSCSI target and boot from it. | These instructions assume that you have an installation of Fedora Core 5 on a local hard disk. We will make this installation iSCSI-boot-capable, then copy it to a remote iSCSI target and boot from it. | ||
| - | Start by installing the kernel-devel and dkms packages: | + | Start by installing the ''gcc'', ''kernel-devel'', ''sysfsutils'', and ''dkms'' packages: |
| + | yum install gcc | ||
| yum install kernel-devel-`uname -r` | yum install kernel-devel-`uname -r` | ||
| + | yum install sysfsutils | ||
| yum install dkms | yum install dkms | ||
| You will need to install the iSCSI initiator, the iSCSI Boot Firmware Table utilities, and the iSCSI-capable mkinitrd, which you can find at http://sourceforge.net/project/showfiles.php?group_id=177003&package_id=203976&release_id=447506. Download and install (using ''rpm -Uvh'') the ''dkms-ibft'', ''dkms-iscsi_sfnet'', ''ibft'', ''linux-iscsi'', and ''mkinitrd-iscsi'' RPMs. | You will need to install the iSCSI initiator, the iSCSI Boot Firmware Table utilities, and the iSCSI-capable mkinitrd, which you can find at http://sourceforge.net/project/showfiles.php?group_id=177003&package_id=203976&release_id=447506. Download and install (using ''rpm -Uvh'') the ''dkms-ibft'', ''dkms-iscsi_sfnet'', ''ibft'', ''linux-iscsi'', and ''mkinitrd-iscsi'' RPMs. | ||
| - | If all has gone well, you should now be able to test loading the iSCSI initiator and iBFT kernel modules using | + | If all has gone well, you should now be able to test loading the iSCSI initiator kernel module using |
| modprobe iscsi_sfnet | modprobe iscsi_sfnet | ||
| - | modprobe ibft | ||
| You need to mark the network device that you will be using for boot. Edit ''/etc/sysconfig/network-scripts/ifcfg-eth0'' (assuming that ''eth0'' is your boot network device), and append the line | You need to mark the network device that you will be using for boot. Edit ''/etc/sysconfig/network-scripts/ifcfg-eth0'' (assuming that ''eth0'' is your boot network device), and append the line | ||
| DEVICETYPE=boot | DEVICETYPE=boot | ||
| + | |||
| + | If you want the hostname to be assigned via DHCP when booting from iSCSI, you must edit ''/etc/sysconfig/network'' and delete the line beginning ''HOSTNAME=''. | ||
| Lastly, you need to rebuild the initrd to include the iSCSI kernel modules, using | Lastly, you need to rebuild the initrd to include the iSCSI kernel modules, using | ||
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| If you use LILO as your bootloader (rather than grub), then you will need to run ''lilo'' after this step. | If you use LILO as your bootloader (rather than grub), then you will need to run ''lilo'' after this step. | ||
| + | |||
| + | Reboot and check that the system comes up without difficulties. You will see an error message saying | ||
| + | |||
| + | insmod: error inserting '/lib/ibft.ko': -1 No such device | ||
| + | |||
| + | during the boot process; this is harmless and simply indicates that the system is not actually booting from an iSCSI disk. You will also find that your boot network interface has not been configured with an IP address; again, this is expected at this stage. | ||
| You can now proceed to [[iscsiboot#Transferring the operating system image to an iSCSI target]]. | You can now proceed to [[iscsiboot#Transferring the operating system image to an iSCSI target]]. | ||
