diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 9c7de2104030500defe80f3135d35a77c28c81aa..8d66b25e72f38eaf18d528272a9c18d16511be76 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,6 +18,7 @@ before_script:
   # yamllint disable rule:line-length
   - echo "deb-src http://ftp.halifax.rwth-aachen.de/debian/ buster main" > /etc/apt/sources.list.d/buster_src.list
   - echo "deb-src http://ftp.halifax.rwth-aachen.de/debian/ buster-updates main" >> /etc/apt/sources.list.d/buster_src.list
+  - echo "deb-src http://ftp.halifax.rwth-aachen.de/debian/ buster-backports main" >> /etc/apt/sources.list.d/buster_src.list
   - echo "deb-src http://security.debian.org/ buster/updates main" >> /etc/apt/sources.list.d/buster_src.list
   # yamllint enable rule:line-length
   - apt-get update
diff --git a/patches/ganeti/add_rbd_cache_support.patch b/patches/ganeti/add_rbd_cache_support.patch
index 71593bed99fffeaf2fbed45df61d4386c0713fe0..f60acbeea376d4a946f2a59fc882edf2de35ae2d 100644
--- a/patches/ganeti/add_rbd_cache_support.patch
+++ b/patches/ganeti/add_rbd_cache_support.patch
@@ -1,7 +1,7 @@
-Index: ganeti-2.15.2/lib/hypervisor/hv_kvm/__init__.py
+Index: ganeti-3.01/lib/hypervisor/hv_kvm/__init__.py
 ===================================================================
---- ganeti-2.15.2.orig/lib/hypervisor/hv_kvm/__init__.py
-+++ ganeti-2.15.2/lib/hypervisor/hv_kvm/__init__.py
+--- ganeti-3.01.orig/lib/hypervisor/hv_kvm/__init__.py
++++ ganeti-3.01/lib/hypervisor/hv_kvm/__init__.py
 @@ -921,12 +921,13 @@ class KVMHypervisor(hv_base.BaseHypervis
      disk_cache = up_hvp[constants.HV_DISK_CACHE]
      for cfdev, link_name, uri in kvm_disks:
diff --git a/patches/ganeti/fix_rbd_showmapped_mimic.patch b/patches/ganeti/fix_rbd_showmapped_mimic.patch
deleted file mode 100644
index c57b46b4eb1271264ac0c46fc3efe8245e0d6c33..0000000000000000000000000000000000000000
--- a/patches/ganeti/fix_rbd_showmapped_mimic.patch
+++ /dev/null
@@ -1,33 +0,0 @@
-From fa9a8fc141334b176380370b9622a28ad4a066fb Mon Sep 17 00:00:00 2001
-From: Ansgar Jazdzewski <ajaz@spreadshirt.net>
-Date: Tue, 19 Feb 2019 10:31:07 +0100
-Subject: [PATCH] fix 'rbd showmapped' for ceph mimic
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-The json ouput changed from list to dict
-* http://docs.ceph.com/docs/master/releases/mimic/ - The rbd CLI’s
-showmapped JSON and XML output has changed.)
----
- lib/storage/bdev.py | 6 +++++-
- 1 file changed, 5 insertions(+), 1 deletion(-)
-
-diff --git a/lib/storage/bdev.py b/lib/storage/bdev.py
-index c7d5f3b6d..7aa09cee6 100644
---- a/lib/storage/bdev.py
-+++ b/lib/storage/bdev.py
-@@ -1064,8 +1064,12 @@ def _ParseRbdShowmappedJson(output, volume_pool, volume_name):
-     except ValueError, err:
-       base.ThrowError("Unable to parse JSON data: %s" % err)
- 
-+    # since ceph mimic the json output changed from dict to list
-+    if isinstance(devices, dict):
-+      devices = devices.values()
-+
-     rbd_dev = None
--    for d in devices.values(): # pylint: disable=E1103
-+    for d in devices:
-       try:
-         name = d["name"]
-       except KeyError:
diff --git a/patches/ganeti/increase_max_disk_count.patch b/patches/ganeti/increase_max_disk_count.patch
deleted file mode 100644
index effedba4e4fa77dcbcd4a492e7a792a9f0be5f5a..0000000000000000000000000000000000000000
--- a/patches/ganeti/increase_max_disk_count.patch
+++ /dev/null
@@ -1,11 +0,0 @@
---- a/src/Ganeti/HTools/Types.hs	2015-12-16 14:34:43.000000000 +0100
-+++ b/src/Ganeti/HTools/Types.hs	2017-11-03 21:42:53.486742240 +0100
-@@ -215,7 +215,7 @@
-                     }
- 
- maxDisks :: Int
--maxDisks = 16
-+maxDisks = 64
- 
- maxNics :: Int
- maxNics = 8
diff --git a/scripts/ganeti.sh b/scripts/ganeti.sh
index acc14beb8ac34984cf8cfdaf695532b394b9cff6..896d353089c4c9777568ac2ec7a1b6e9363a82fa 100755
--- a/scripts/ganeti.sh
+++ b/scripts/ganeti.sh
@@ -2,13 +2,11 @@
 
 source "${BASH_SOURCE%/*}/common.sh"
 
-get_sources ganeti buster
+get_sources ganeti buster-backports
 import_patches ganeti
 
 dch_custom "Remove blockdev storage from the movable and mirrored devices lists."
-dch_custom "Increase maximum disk count per instance."
 dch_custom "Add support for disk cache usage with rbd devices."
-dch_custom "Add upstream patch for Ceph mimic compatibility."
 
 install_build_deps
 build