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From 261d278332e0af85a0311a75d7b81c6cf35e4816 Mon Sep 17 00:00:00 2001
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From: Martin Wilck <mwilck@suse.de>
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Date: Thu, 4 Apr 2019 16:16:40 +0200
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Subject: [PATCH] iscsiroot: try targets only once
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In multipath scenarios, "iscsiadm -m node" may contain
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several records with the same target.
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There's no point in trying "iscsiadm --login" multiple
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time for the same target, through the same portal.
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Moreover, warn if the desired target is not on the node
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list.
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---
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modules.d/95iscsi/iscsiroot.sh | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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diff --git a/modules.d/95iscsi/iscsiroot.sh b/modules.d/95iscsi/iscsiroot.sh
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index a334b76e..e8e0b4b8 100755
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--- a/modules.d/95iscsi/iscsiroot.sh
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+++ b/modules.d/95iscsi/iscsiroot.sh
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@@ -87,7 +87,7 @@ handle_netroot()
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local iscsi_in_username iscsi_in_password
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local iscsi_iface_name iscsi_netdev_name
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local iscsi_param param
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- local p
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+ local p found
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# override conf settings by command line options
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arg=$(getarg rd.iscsi.initiator -d iscsi_initiator=)
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@@ -213,6 +213,7 @@ handle_netroot()
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targets=$(iscsiadm -m discovery -t st -p $iscsi_target_ip:${iscsi_target_port:+$iscsi_target_port} | sed 's/^.*iqn/iqn/')
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[ -z "$targets" ] && echo "Target discovery to $iscsi_target_ip:${iscsi_target_port:+$iscsi_target_port} failed with status $?" && exit 1
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+ found=
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for target in $targets; do
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if [ "$target" = "$iscsi_target_name" ]; then
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if [ -n "$iscsi_iface_name" ]; then
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@@ -237,11 +238,16 @@ handle_netroot()
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if [ "$netif" != "timeout" ]; then
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$CMD --login
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fi
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+ found=yes
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+ break
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fi
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done
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if [ "$netif" = "timeout" ]; then
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iscsiadm -m node -L onboot || :
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+ elif [ "$found" != yes ]; then
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+ warn "iSCSI target \"$iscsi_target_name\" not found on portal $iscsi_target_ip:$iscsi_target_port"
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+ return 1
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fi
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> $hookdir/initqueue/work
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