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sanboot:fedora [2007/11/09 19:40]
mcb30
sanboot:fedora [2007/11/10 17:40] (current)
mcb30
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 ====== Fedora boot from SAN ====== ====== Fedora boot from SAN ======
  
-Fedora ​supports booting from an iSCSI SAN.  You can install directly to the iSCSI target.+{{ screenshots:​fedora_iscsi_install_start.png?​400x300|Start of Fedora ​installation}}
  
-===== Installation =====+Fedora supports booting from an iSCSI SAN.  You can install directly to the iSCSI target. ​ Before starting installation,​ you will need to
  
-The Fedora 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. +  * [[sanboot:iscsi_create_target|Create an iSCSI target]]
- +
-Start a Fedora network installation in the usual way, and proceed up to the point of the graphical welcome screen: +
- +
-{{screenshots:​fedora_iscsi_install_start.png?​400x300|Start of Fedora installation}} +
- +
-Before clicking on //Next//, press //​Ctrl-Alt-F2//​. ​ This should take you to a root shell prompt. ​ Configure and start up the iSCSI initiator:​ +
- +
-    sh-3.2# mkdir /​etc/​iscsi +
-     +
-    sh-3.2# echo InitiatorName=iqn.2007-08.name.dns.my:​initiator > \ +
-       /​etc/​iscsi/​initiatorname.iscsi +
-     +
-    sh-3.2# iscsid +
- +
-{{ screenshots:​fedora_iscsi_install_connect.png?​320x200|Fedora iSCSI installation connection to disk}} +
- +
-where //​name.dns.my//​ is your 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.) +
- +
-Connect to the iSCSI target ​to be used for installation:​ +
- +
-    sh-3.2# iscsiadm -m discovery -t sendtargets -p my.iscsi.target:​3260 +
- +
-where //​my.iscsi.target//​ is the DNS name or IP address of your iSCSI target. ​ You will see a list of available target IQNs.  Log in to the installation target: +
- +
-    sh-3.2# iscsiadm -m node -T iqn.2007-08.target.iscsi.my:​fedora -l +
- +
-where //​iqn.2007-08.target.iscsi.my:​fedora//​ is the IQN of the target that you want to install to. +
- +
-You are now logged in to the installation iSCSI target. ​ Press //​Ctrl-Alt-F6//​ to return to the graphical installation process, and click on //Next// to proceed to the disk selection screen: +
- +
-{{screenshots:​fedora_iscsi_install_select_drive.png?​400x300|Fedora iSCSI installation disk selection}} +
- +
-You must tick the "​Review and modify partitioning layout"​ box before proceeding to the disk partitioning screen: +
- +
-{{screenshots:​fedora_iscsi_install_remove_swap.png?​400x300|Fedora iSCSI installation swap removal}} +
- +
-Select and delete the swap partition. ​ This is required for two reasons: firstly, swap over iSCSI (or over any network device) is generally a bad idea; secondly, doing so works around a bug in the Fedora installer which would otherwise result in the partition table never being written to disk.+
  

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