diff --git a/.github/workflows/integration-test-upgrade-suite.yaml b/.github/workflows/integration-test-upgrade-suite.yaml
index 4d4549b73..0669de4ec 100644
--- a/.github/workflows/integration-test-upgrade-suite.yaml
+++ b/.github/workflows/integration-test-upgrade-suite.yaml
@@ -37,6 +37,22 @@ jobs:
         with:
           use-tmate: ${{ secrets.USE_TMATE }}
 
+      - name: Free Disk Space (Ubuntu)
+        uses: jlumbroso/free-disk-space@main
+        with:
+          # this might remove tools that are actually needed,
+          # if set to "true" but frees about 6 GB
+          tool-cache: true
+
+          # all of these default to true, but feel free to set to
+          # "false" if necessary for your workflow
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          docker-images: true
+          swap-storage: true
+
       - name: setup cluster resources
         uses: ./.github/workflows/integration-test-config-latest-k8s
         with:
diff --git a/tests/framework/installer/ceph_installer.go b/tests/framework/installer/ceph_installer.go
index a9010df61..0f535f18a 100644
--- a/tests/framework/installer/ceph_installer.go
+++ b/tests/framework/installer/ceph_installer.go
@@ -61,6 +61,11 @@ const (
 [global]
 osd_pool_default_size = 1
 bdev_flock_retry = 20
+mon_warn_on_pool_no_redundancy = false
+bluefs_buffered_io = false
+mon_data_avail_warn = 10
+[mon]
+mon compact on start = true
 `
 	volumeReplicationVersion = "v0.5.0"
 )