diff --git a/misc/swraid b/misc/swraid
index 1391d8c8..e7860d47 100644
--- a/misc/swraid
+++ b/misc/swraid
@@ -7,17 +7,24 @@ NUMDEVS=$(for dev in $DEVICES; do
    echo wipefs -a -f $dev
 done|wc -l)
 for dev in $DEVICES; do
+   mdadm --zero-superblock $dev
    wipefs -a -f $dev
 done
 # must use older metadata format to leave disks looking normal for uefi
-mdadm -C /dev/md/raid $DEVICES -n $NUMDEVS -e 1.0 -l $RAIDLEVEL
+mdadm -C /dev/md/raid $DEVICES -n $NUMDEVS -e 1.0 -l $RAIDLEVEL -b internal
 # shut and restart array to prime things for anaconda
 mdadm -S -s
 mdadm --assemble --scan
 )
-while [ ! -e /dev/md/raid ]; do
+while :; do
+    # newer mdraid verions might have <hostname>:<raidname>
+    TARGET_RAID=$(ls /dev/md/raid /dev/md/*:raid 2>/dev/null | head -n 1)
+
+    [ -n "$TARGET_RAID" ] && break
+
     echo 'Waiting on array to be linked...'
     sleep 0.5
 done
-readlink /dev/md/raid|sed -e 's/.*\///' > /tmp/installdisk
 
+# Extract the underlying block device name (e.g., md127) using the captured path
+readlink "$TARGET_RAID" | sed -e 's/.*\///' > /tmp/installdisk