iSCSI service and socket files, and the iscsi_mark_root_nodes helper script to
preserve sessions started in the initramfs.
diff -Naur a/iscsid.service b/iscsid.service
--- a/iscsid.service 1969-12-31 16:00:00.000000000 -0800
+++ b/iscsid.service 2012-12-10 13:38:38.643307001 -0800
@@ -0,0 +1,9 @@
+[Unit]
+Description=Open-iSCSI
+Documentation=man:iscsid(8) man:iscsiadm(8)
+After=network.target NetworkManager-wait-online.service iscsiuio.service tgtd.service targetcli.service
+
+[Service]
+Type=simple
+ExecStart=/usr/sbin/iscsid -f -n
+ExecStop=/sbin/iscsiadm -k 0 2
diff -Naur a/iscsid.socket b/iscsid.socket
--- a/iscsid.socket 1969-12-31 16:00:00.000000000 -0800
+++ b/iscsid.socket 2012-12-10 13:38:38.643307001 -0800
@@ -0,0 +1,9 @@
+[Unit]
+Description=Open-iSCSI iscsid Socket
+Documentation=man:iscsid(8) man:iscsiadm(8)
+
+[Socket]
+ListenStream=@ISCSIADM_ABSTRACT_NAMESPACE
+
+[Install]
+WantedBy=sockets.target
diff -Naur a/iscsi.service b/iscsi.service
--- a/iscsi.service 1969-12-31 16:00:00.000000000 -0800
+++ b/iscsi.service 2012-12-10 13:38:38.643307001 -0800
@@ -0,0 +1,18 @@
+[Unit]
+Description=Login and scanning of iSCSI devices
+Documentation=man:iscsiadm(8) man:iscsid(8)
+#Requires=iscsid.service
+#BindTo=iscsid.service
+After=network.target NetworkManager-wait-online.service iscsid.service
+ConditionPathExists=/etc/iscsi/initiatorname.iscsi
+
+[Service]
+Type=oneshot
+ExecStart=/usr/libexec/iscsi_mark_root_nodes
+ExecStart=/sbin/iscsiadm -m node --loginall=automatic
+ExecStop=/bin/sync
+ExecStop=/sbin/iscsiadm -m node --logoutall=automatic
+RemainAfterExit=true
+
+[Install]
+WantedBy=remote-fs.target
diff -Naur a/iscsiuio.service b/iscsiuio.service
--- a/iscsiuio.service 1969-12-31 16:00:00.000000000 -0800
+++ b/iscsiuio.service 2012-12-10 13:38:38.643307001 -0800
@@ -0,0 +1,11 @@
+[Unit]
+Description=iSCSI UserSpace I/O driver
+Documentation=man:iscsiuio(8)
+Requires=iscsid.service
+BindTo=iscsid.service
+Before=iscsid.service
+After=network.target NetworkManager-wait-online.service
+
+[Service]
+Type=simple
+ExecStart=/usr/sbin/iscsiuio -f
diff -Naur a/iscsiuio.socket b/iscsiuio.socket
--- a/iscsiuio.socket 1969-12-31 16:00:00.000000000 -0800
+++ b/iscsiuio.socket 2012-12-10 13:38:38.643307001 -0800
@@ -0,0 +1,9 @@
+[Unit]
+Description=Open-iSCSI iscsiuio
+Documentation=man:iscsiuio(8)
+
+[Socket]
+ListenStream=@ISCSID_UIP_ABSTRACT_NAMESPACE
+
+[Install]
+WantedBy=sockets.target
diff -Naur a/usr/libexec/iscsi_mark_root_nodes b/usr/libexec/iscsi_mark_root_nodes
--- a/usr/libexec/iscsi_mark_root_nodes 1969-12-31 16:00:00.000000000 -0800
+++ b/usr/libexec/iscsi_mark_root_nodes 2012-12-10 13:38:47.322082141 -0800
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+ISCSIADM=/sbin/iscsiadm
+SESSION_FILE=/run/initramfs/iscsi.sessions
+
+if [ ! -f $SESSION_FILE ] ; then
+ exit 0
+fi
+
+while read t num i target; do
+ ip=${i%:*}
+ $ISCSIADM -m node -p $ip -T $target -o update -n node.startup -v onboot
+done < $SESSION_FILE
+
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