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--- sanboot:centos_iscsi_install [2008/02/20 15:28]
mcb30 created
+++ sanboot:centos_iscsi_install [2008/02/20 15:51]
mcb30
@@ Line 1: / Line 1: @@
 ====== Installing CentOS to an iSCSI target ======
-The CentOS installation process is somewhat fragile, and the built-in support for iSCSI installation does not function properly.  However, it is possible to work around this limitation and install to an iSCSI target.
+The CentOS installation process is somewhat fragile, and the built-in support for iSCSI installation does not function properly except in very limited circumstances.  However, it is possible to work around this limitation and install to an iSCSI target.
 ===== Starting the installation =====
-Start a CentOS installation in the usual way, and proceed up to the point of the graphical welcome screen:
+Start a CentOS installation in the usual way, and proceed up to the point of the partitioning screen:
-{{screenshots:centos_iscsi_install_start.png?400x300|Start of CentOS installation}}
+{{screenshots:centos_iscsi_install_partitioning.png?400x300|CentOS partitioning screen}}
-Before clicking on //Next//, press //Ctrl-Alt-F2//.  This should take you to a root shell prompt.  Configure and start up the iSCSI initiator:
+Click on //Advanced storage configuration//, and add an iSCSI target.  For the target IP address, enter //127.0.0.1//:
-    sh-3.2# mkdir /etc/iscsi
+{{screenshots:centos_iscsi_install_gui_add_target.png?400x300|CentOS iSCSI installation GUI}}
-    sh-3.2# echo InitiatorName=iqn.2007-08.name.dns.initiator.my > \
-       /etc/iscsi/initiatorname.iscsi
-    sh-3.2# iscsid
-{{ screenshots:centos_iscsi_install_connect.png?320x200|CentOS iSCSI installation connection to disk}}
+You will see the message "Initializing iSCSI initiator" appear for several seconds, then the display will return to the partitioning screen.
-where //name.dns.initiator.my// is your initiator's DNS name in reverse order.  (For completeness, you should also replace //2007-08// with the year and month in which you first obtained your DNS domain. The iSCSI naming schemes are somewhat pedantic, but it won’t affect anything in practice; as long as the initiator name is unique then everything will work just fine.)
+{{ screenshots:centos_iscsi_install_connect.png?320x200|CentOS iSCSI installation connection to disk}}
 ===== Connecting to the iSCSI target =====
-Connect to the iSCSI target to be used for installation:
+Press //Ctrl-Alt-F2//.  This should take you to a root shell prompt.  Connect to the iSCSI target to be used for installation:
     sh-3.2# iscsiadm -m discovery -t sendtargets -p my.target.dns.name:3260
@@ Line 38: / Line 33: @@
 ===== Completing the installation =====
-Press //Ctrl-Alt-F6// to return to the graphical installation process, and click on //Next// to proceed to the disk selection screen:
+Press //Ctrl-Alt-F6// to return to the graphical installation process.  Click on //Back//.  This will cause the installer to rescan for disks, and the iSCSI target should now show up in the list of available disks.
+ to proceed to the disk selection screen:
 {{screenshots:centos_iscsi_install_select_drive.png?400x300|CentOS iSCSI installation disk selection}}

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