diff --git a/jobs/JGFS_ATMOS_CYCLONE_GENESIS b/jobs/JGFS_ATMOS_CYCLONE_GENESIS
index de130bf9aa..a80bcc1153 100755
--- a/jobs/JGFS_ATMOS_CYCLONE_GENESIS
+++ b/jobs/JGFS_ATMOS_CYCLONE_GENESIS
@@ -3,11 +3,6 @@
 source "${HOMEgfs}/ush/preamble.sh"
 source "${HOMEgfs}/ush/jjob_header.sh" -e "genesis" -c "base genesis"
 
-# Hack to temporary skip this as the tracker has not been build
-#   on Hercules Rocky 9 yet
-# TODO: Remove this after tracker has been built for Rocky 9 #2639
-if [[ "${machine}" == 'HERCULES' ]]; then exit 0; fi
-
 ##############################################
 # Set variables used in the exglobal script
 ##############################################
diff --git a/jobs/JGFS_ATMOS_CYCLONE_TRACKER b/jobs/JGFS_ATMOS_CYCLONE_TRACKER
index 067de2c4aa..24fe33f8ca 100755
--- a/jobs/JGFS_ATMOS_CYCLONE_TRACKER
+++ b/jobs/JGFS_ATMOS_CYCLONE_TRACKER
@@ -3,11 +3,6 @@
 source "${HOMEgfs}/ush/preamble.sh"
 source "${HOMEgfs}/ush/jjob_header.sh" -e "tracker" -c "base tracker"
 
-# Hack to temporary skip this as the tracker has not been build
-#   on Hercules Rocky 9 yet
-# TODO: Remove this after tracker has been built for Rocky 9 #2639
-if [[ "${machine}" == 'HERCULES' ]]; then exit 0; fi
-
 export COMPONENT="atmos"
 
 
diff --git a/parm/config/gfs/config.base b/parm/config/gfs/config.base
index 784c334d82..27fcbdd055 100644
--- a/parm/config/gfs/config.base
+++ b/parm/config/gfs/config.base
@@ -492,4 +492,11 @@ if [[ "${machine}" =~ "PW" ]]; then
    export DO_WAVE="NO"
 fi
 
+# The tracker and genesis are not installed on Orion/Hercules yet; this requires spack-stack builds of the package.
+# TODO: we should place these in workflow/hosts/[orion|hercules].yaml.
+if [[ "${machine}" == "ORION" || "${machine}" == "HERCULES" ]]; then
+   export DO_TRACKER="NO"
+   export DO_GENESIS="NO"
+fi
+
 echo "END: config.base"
diff --git a/parm/config/gfs/config.resources.HERA b/parm/config/gfs/config.resources.HERA
index e79d4c5b0a..d1b09fcc32 100644
--- a/parm/config/gfs/config.resources.HERA
+++ b/parm/config/gfs/config.resources.HERA
@@ -5,8 +5,9 @@
 case ${step} in
   "anal")
     if [[ "${CASE}" == "C384" ]]; then
-      export ntasks=270
-      export threads_per_task_anal=8
+      export ntasks_gdas=270
+      export ntasks_gfs=270
+      export threads_per_task=8
       export tasks_per_node=$(( max_tasks_per_node / threads_per_task ))
     fi
     ;;
@@ -26,6 +27,10 @@ case ${step} in
 
   "eupd")
     case ${CASE} in
+      "C768")
+        export ntasks=80
+        export threads_per_task=20
+        ;;
       "C384")
         export ntasks=80
         ;;
@@ -43,6 +48,13 @@ case ${step} in
     export tasks_per_node=$(( max_tasks_per_node / threads_per_task ))
     ;;
 
+  "upp")
+    if (( "${CASE:1}" >= 768 )); then
+       # Run fewer tasks per node for memory
+       tasks_per_node=20
+    fi
+    ;;
+
   *)
     ;;
 esac
diff --git a/parm/config/gfs/config.resources.S4 b/parm/config/gfs/config.resources.S4
index 1af64bf250..817494c7cd 100644
--- a/parm/config/gfs/config.resources.S4
+++ b/parm/config/gfs/config.resources.S4
@@ -32,7 +32,7 @@ case ${step} in
       *)
         ;;
     esac
-    export tasks_node=$(( max_tasks_per_node / threads_per_task ))
+    export tasks_per_node=$(( max_tasks_per_node / threads_per_task ))
     ;;
 
   "eobs")
diff --git a/parm/config/gfs/config.ufs b/parm/config/gfs/config.ufs
index babbe1f2dd..6309c4073b 100644
--- a/parm/config/gfs/config.ufs
+++ b/parm/config/gfs/config.ufs
@@ -281,7 +281,7 @@ case "${fv3_res}" in
           export rf_cutoff=100.0
           export fv_sg_adj=450
           export WRITE_GROUP_GDAS=2
-          export WRTTASK_PER_GROUP_PER_THREAD_PER_TILE_GDAS=10
+          export WRTTASK_PER_GROUP_PER_THREAD_PER_TILE_GDAS=15
           export WRITE_GROUP_GFS=4
           export WRTTASK_PER_GROUP_PER_THREAD_PER_TILE_GFS=20 #Note this should be 10 for WCOSS2
         fi
diff --git a/sorc/gsi_utils.fd b/sorc/gsi_utils.fd
index 9382fd01c2..a6ea311e5c 160000
--- a/sorc/gsi_utils.fd
+++ b/sorc/gsi_utils.fd
@@ -1 +1 @@
-Subproject commit 9382fd01c2a626c8934c3f553d420a45de2b4dec
+Subproject commit a6ea311e5c82369d255e3afdc99c1bce0c9a3014