diff --git a/bsp_q7s/boardconfig/q7sConfig.h.in b/bsp_q7s/boardconfig/q7sConfig.h.in
index 9bed2a4a..92c47994 100644
--- a/bsp_q7s/boardconfig/q7sConfig.h.in
+++ b/bsp_q7s/boardconfig/q7sConfig.h.in
@@ -4,6 +4,17 @@
 #include <cstdint>
 
 #cmakedefine01 Q7S_SIMPLE_MODE
+
+#define Q7S_SD_NONE                     0
+#define Q7S_SD_COLD_REDUNDANT           1
+#define Q7S_SD_HOT_REDUNDANT            2
+// The OBSW will perform different actions to set up the SD cards depending on the flag set here
+// Set to Q7S_SD_NONE: Don't do anything
+// Set to Q7S_COLD_REDUNDANT: On startup, get the prefered SD card, turn it on and mount it, and 
+//     turn off the second SD card if it is on
+// Set to Q7S_HOT_REDUNDANT: On startup, turn on both SD cards and mount them  
+#define Q7S_SD_CARD_CONFIG              1
+
 #define Q7S_ADD_RTD_DEVICES             0
 
 /* Only one of those 2 should be enabled! */
diff --git a/bsp_q7s/core/CoreController.cpp b/bsp_q7s/core/CoreController.cpp
index 421a96d9..f7f907d0 100644
--- a/bsp_q7s/core/CoreController.cpp
+++ b/bsp_q7s/core/CoreController.cpp
@@ -1,8 +1,10 @@
 #include "CoreController.h"
+#include "q7sConfig.h"
+
 #include "../memory/SdCardManager.h"
 
 CoreController::CoreController(object_id_t objectId):
-        ExtendedControllerBase(objectId, objects::NO_OBJECT, 5) {
+ExtendedControllerBase(objectId, objects::NO_OBJECT, 5) {
 }
 
 ReturnValue_t CoreController::handleCommandMessage(CommandMessage *message) {
@@ -22,15 +24,19 @@ LocalPoolDataSetBase* CoreController::getDataSetHandle(sid_t sid) {
 }
 
 ReturnValue_t CoreController::initialize() {
-    // Find a way to store this non-volatile outside of SD cards (ProASIC?)
-    sd::SdCard preferredSdCard = sd::SdCard::SLOT_0;
-    std::string printoutString;
-    if(preferredSdCard == sd::SdCard::SLOT_0) {
-        printoutString = "0";
-    }
-    else {
-        printoutString = "1";
-    }
+    return sdCardInit();
+}
+
+ReturnValue_t CoreController::checkModeCommand(Mode_t mode, Submode_t submode,
+        uint32_t *msToReachTheMode) {
+    return HasReturnvaluesIF::RETURN_OK;
+}
+
+ReturnValue_t CoreController::sdCardInit() {
+#if Q7S_SD_CARD_CONFIG == Q7S_SD_NONE
+    sif::info << "No SD card initialization will be performed" << std::endl;
+    return HasReturnvaluesIF::RETURN_OK;
+#else
     // Creator or update status file
     ReturnValue_t result = SdCardManager::instance()->updateSdCardStateFile();
     if(result != HasReturnvaluesIF::RETURN_OK) {
@@ -38,26 +44,99 @@ ReturnValue_t CoreController::initialize() {
                 << std::endl;
     }
 
-    sif::info << "Switching on SD card " << printoutString << ".." << std::endl;
+    SdCardManager* sdcMan = SdCardManager::instance();
+    auto sdStatus = std::pair<sd::SdStatus, sd::SdStatus>(sd::SdStatus::OFF, sd::SdStatus::OFF);
+    result = sdcMan->getSdCardActiveStatus(sdStatus);
+    if(result != HasReturnvaluesIF::RETURN_OK) {
+        sif::warning << "Getting SD card activity status failed" << std::endl;
+    }
 
-    result = SdCardManager::instance()->switchOnSdCard(preferredSdCard, true);
-    if(result == SdCardManager::ALREADY_MOUNTED) {
-        sif::info << "SD card " << printoutString << " is already on and mounted" << std::endl;
-    }
-    else if(result == SdCardManager::ALREADY_ON) {
-        sif::info << "SD card " << printoutString << " is already on" << std::endl;
-    }
-    else if(result != HasReturnvaluesIF::RETURN_OK) {
-        sif::warning << "CoreController::initialize: Turning SD card on failed"
+#if Q7S_SD_CARD_CONFIG == Q7S_SD_COLD_REDUNDANT
+    sif::info << "Cold redundant SD card configuration" << std::endl;
+    sd::SdCard preferredSdCard = sd::SdCard::SLOT_0;
+    result = sdcMan->getPreferredSdCard(preferredSdCard);
+    if(result != HasReturnvaluesIF::RETURN_OK) {
+        sif::warning << "Could not get prefered SD card information from the scratch buffer"
                 << std::endl;
     }
+    sd::SdCard otherSdc = sd::SdCard::SLOT_0;
+    std::string printoutString;
+    std::string otherString;
+    if(preferredSdCard == sd::SdCard::SLOT_0) {
+        printoutString = "0";
+        otherSdc = sd::SdCard::SLOT_1;
+        otherString = "1";
+    }
     else {
-        sif::info << "SD card " << printoutString << " was switched on and mounted" << std::endl;
+        printoutString = "1";
+        otherSdc = sd::SdCard::SLOT_0;
+        otherString = "0";
+    }
+
+    sd::SdStatus targetStatus = sd::SdStatus::OFF;
+    if(preferredSdCard == sd::SdCard::SLOT_0) {
+        targetStatus = sdStatus.first;
+    }
+    else if(preferredSdCard == sd::SdCard::SLOT_1) {
+        targetStatus = sdStatus.second;
+    }
+
+    if(targetStatus == sd::SdStatus::MOUNTED) {
+        sif::info << "SD card " << printoutString << " is already switched on and mounted" <<
+                std::endl;
+        result = HasReturnvaluesIF::RETURN_OK;
+    }
+    else if(targetStatus == sd::SdStatus::ON) {
+        sif::info << "Mounting SD card " << printoutString << std::endl;
+        result = sdcMan->mountSdCard(preferredSdCard);
+        if(result != HasReturnvaluesIF::RETURN_OK) {
+            sif::warning << "Mounting SD card failed" << std::endl;
+        }
+    }
+    else if(targetStatus == sd::SdStatus::OFF) {
+        sif::info << "Switching on and mounting SD card " << printoutString << std::endl;
+        result = sdcMan->switchOnSdCard(preferredSdCard, true);
+        if(result != HasReturnvaluesIF::RETURN_OK) {
+            sif::warning << "Switching on and mounting SD card failed" << std::endl;
+        }
+    }
+
+    if(result != HasReturnvaluesIF::RETURN_OK) {
+        // This should not happen.. Switch on other SD card for now
+        sdcMan->switchOnSdCard(otherSdc, true);
+        return HasReturnvaluesIF::RETURN_FAILED;
+    }
+
+    sif::info << "Switching off SD card " << otherString << std::endl;
+    // Switch off other SD card in cold-redundant mode
+    result = sdcMan->switchOffSdCard(otherSdc, true);
+    if(result != HasReturnvaluesIF::RETURN_OK) {
+        sif::warning << "Switching off SD card " << otherString << " failed" << std::endl;
     }
     return HasReturnvaluesIF::RETURN_OK;
-}
+#elif Q7S_SD_CARD_CONFIG == Q7S_SD_HOT_REDUNDANT
+    sif::info << "Hot redundant SD card configuration" << std::endl;
 
-ReturnValue_t CoreController::checkModeCommand(Mode_t mode, Submode_t submode,
-        uint32_t *msToReachTheMode) {
+    // Use a lambda to avoid duplicate code
+    auto setUpSdCard = [sdcMan](sd::SdCard sdCard, sd::SdStatus status, std::string sdString) {
+        if(status == sd::SdStatus::OFF) {
+            sif::info << "Switching on and mounting SD card " << sdString << std::endl;
+            sdcMan->switchOnSdCard(sdCard, true);
+        }
+        else if(status == sd::SdStatus::ON) {
+            sif::info << "Mounting SD card " << sdString << std::endl;
+            sdcMan->mountSdCard(sdCard);
+        }
+        else {
+            sif::info << "SD card " << sdString << " already on and mounted" << std::endl;
+        }
+    };
+
+    setUpSdCard(sd::SdCard::SLOT_0, sdStatus.first, "0");
+    setUpSdCard(sd::SdCard::SLOT_1, sdStatus.second, "1");
     return HasReturnvaluesIF::RETURN_OK;
+#endif
+
+#endif /* Q7S_SD_CARD_CONFIG != Q7S_SD_NONE */
+
 }
diff --git a/bsp_q7s/core/CoreController.h b/bsp_q7s/core/CoreController.h
index 674ed073..940a9097 100644
--- a/bsp_q7s/core/CoreController.h
+++ b/bsp_q7s/core/CoreController.h
@@ -17,6 +17,8 @@ private:
     LocalPoolDataSetBase* getDataSetHandle(sid_t sid) override;
     ReturnValue_t checkModeCommand(Mode_t mode, Submode_t submode,
                 uint32_t *msToReachTheMode);
+
+    ReturnValue_t sdCardInit();
 };
 
 
diff --git a/bsp_q7s/memory/SdCardManager.cpp b/bsp_q7s/memory/SdCardManager.cpp
index 232000a3..1e9968b5 100644
--- a/bsp_q7s/memory/SdCardManager.cpp
+++ b/bsp_q7s/memory/SdCardManager.cpp
@@ -1,4 +1,6 @@
 #include "SdCardManager.h"
+#include "scratchApi.h"
+
 #include "linux/utility/utility.h"
 
 #include "fsfw/ipc/MutexFactory.h"
@@ -28,7 +30,7 @@ SdCardManager* SdCardManager::instance() {
 
 ReturnValue_t SdCardManager::switchOnSdCard(sd::SdCard sdCard, bool doMountSdCard) {
     std::pair<sd::SdStatus, sd::SdStatus> active;
-    ReturnValue_t result = sdCardActive(active);
+    ReturnValue_t result = getSdCardActiveStatus(active);
     // Not allowed, this function turns on one SD card
     if(sdCard == sd::SdCard::BOTH) {
         sif::warning << "SdCardManager::switchOffSdCard: API does not allow sd::SdStatus::BOTH"
@@ -67,7 +69,7 @@ ReturnValue_t SdCardManager::switchOnSdCard(sd::SdCard sdCard, bool doMountSdCar
 
 ReturnValue_t SdCardManager::switchOffSdCard(sd::SdCard sdCard, bool doUnmountSdCard) {
     std::pair<sd::SdStatus, sd::SdStatus> active;
-    ReturnValue_t result = sdCardActive(active);
+    ReturnValue_t result = getSdCardActiveStatus(active);
     if(result != HasReturnvaluesIF::RETURN_OK) {
         return result;
     }
@@ -99,8 +101,9 @@ ReturnValue_t SdCardManager::switchOffSdCard(sd::SdCard sdCard, bool doUnmountSd
 }
 
 ReturnValue_t SdCardManager::setSdCardState(sd::SdCard sdCard, bool on) {
-    std::string sdstring = "";
-    std::string statestring = "";
+    using namespace std;
+    string sdstring = "";
+    string statestring = "";
     if(sdCard == sd::SdCard::SLOT_0) {
         sdstring = "0";
     }
@@ -113,9 +116,9 @@ ReturnValue_t SdCardManager::setSdCardState(sd::SdCard sdCard, bool on) {
     else {
         statestring = "off";
     }
-    std::ostringstream command;
+    ostringstream command;
     command << "q7hw sd set " << sdstring << " " << statestring;
-    int result = std::system(command.str().c_str());
+    int result = system(command.str().c_str());
     if(result == 0) {
         return HasReturnvaluesIF::RETURN_OK;
     }
@@ -124,7 +127,7 @@ ReturnValue_t SdCardManager::setSdCardState(sd::SdCard sdCard, bool on) {
     return SYSTEM_CALL_ERROR;
 }
 
-ReturnValue_t SdCardManager::sdCardActive(std::pair<sd::SdStatus, sd::SdStatus>& active) {
+ReturnValue_t SdCardManager::getSdCardActiveStatus(std::pair<sd::SdStatus, sd::SdStatus>& active) {
     using namespace std;
     if(not filesystem::exists(SD_STATE_FILE)) {
         return STATUS_FILE_NEXISTS;
@@ -152,8 +155,8 @@ ReturnValue_t SdCardManager::mountSdCard(sd::SdCard sdCard) {
                 << std::endl;
         return HasReturnvaluesIF::RETURN_FAILED;
     }
-    std::string mountDev;
-    std::string mountPoint;
+    string mountDev;
+    string mountPoint;
     if(sdCard == sd::SdCard::SLOT_0) {
         mountDev = SD_0_DEV_NAME;
         mountPoint = SD_0_MOUNT_POINT;
@@ -162,7 +165,7 @@ ReturnValue_t SdCardManager::mountSdCard(sd::SdCard sdCard) {
         mountDev = SD_0_DEV_NAME;
         mountPoint = SD_1_MOUNT_POINT;
     }
-    if(not std::filesystem::exists(mountDev)) {
+    if(not filesystem::exists(mountDev)) {
         sif::warning << "SdCardManager::mountSdCard: Device file does not exists. Make sure to"
                 " turn on the SD card" << std::endl;
         return MOUNT_ERROR;
@@ -197,6 +200,7 @@ ReturnValue_t SdCardManager::unmountSdCard(sd::SdCard sdCard) {
         sif::warning << "SdCardManager::unmountSdCard: Mount point is empty!" << std::endl;
     }
     string sdUnmountCommand = "umount " + mountPoint;
+    sif::debug << sdUnmountCommand << std::endl;
     int result = system(sdUnmountCommand.c_str());
     if (result != 0) {
         utility::handleSystemError(result, "SdCardManager::unmountSdCard");
@@ -260,13 +264,21 @@ void SdCardManager::processSdStatusLine(std::pair<sd::SdStatus, sd::SdStatus> &a
     idx++;
 }
 
-sd::SdCard SdCardManager::getPreferredSdCard() const {
-    //int result = std::system("xsc_scratch read PREFSD > /tmp/pref_sd.txt");
-    return preferredSdCard;
+ReturnValue_t SdCardManager::getPreferredSdCard(sd::SdCard& sdCard) const {
+    uint8_t prefSdCard = 0;
+    ReturnValue_t result = scratch::readNumber(scratch::PREFERED_SDC_KEY, prefSdCard);
+    if(result != HasReturnvaluesIF::RETURN_OK) {
+        return result;
+    }
+    sdCard = static_cast<sd::SdCard>(prefSdCard);
+    return HasReturnvaluesIF::RETURN_OK;
 }
 
-void SdCardManager::setPreferredSdCard(sd::SdCard sdCard) {
-    preferredSdCard = sdCard;
+ReturnValue_t SdCardManager::setPreferredSdCard(sd::SdCard sdCard) {
+    if(sdCard == sd::SdCard::BOTH) {
+        return HasReturnvaluesIF::RETURN_FAILED;
+    }
+    return scratch::writeNumber(scratch::PREFERED_SDC_KEY, static_cast<uint8_t>(sdCard));
 }
 
 ReturnValue_t SdCardManager::updateSdCardStateFile() {
diff --git a/bsp_q7s/memory/SdCardManager.h b/bsp_q7s/memory/SdCardManager.h
index b3a33d42..35ba1654 100644
--- a/bsp_q7s/memory/SdCardManager.h
+++ b/bsp_q7s/memory/SdCardManager.h
@@ -54,9 +54,9 @@ public:
      */
     static SdCardManager* instance();
 
-    void setPreferredSdCard(sd::SdCard sdCard);
+    ReturnValue_t setPreferredSdCard(sd::SdCard sdCard);
 
-    sd::SdCard getPreferredSdCard() const;
+    ReturnValue_t getPreferredSdCard(sd::SdCard& sdCard) const;
 
     /**
      * Switch on the specified SD card.
@@ -97,7 +97,7 @@ public:
      *           should call #updateSdCardStateFile again in that case
      *         - STATUS_FILE_NEXISTS if the status file does not exist
      */
-    ReturnValue_t sdCardActive(std::pair<sd::SdStatus, sd::SdStatus>& active);
+    ReturnValue_t getSdCardActiveStatus(std::pair<sd::SdStatus, sd::SdStatus>& active);
 
     /**
      * Mount the specified SD card. This is necessary to use it.
@@ -113,8 +113,6 @@ public:
      */
     ReturnValue_t unmountSdCard(sd::SdCard sdCard);
 
-    sd::SdCard getPreferedSdCard() const;
-
 private:
     SdCardManager();
 
diff --git a/bsp_q7s/memory/definitions.h b/bsp_q7s/memory/definitions.h
index a2d29d9b..546a6585 100644
--- a/bsp_q7s/memory/definitions.h
+++ b/bsp_q7s/memory/definitions.h
@@ -12,7 +12,7 @@ enum SdStatus: uint8_t {
     MOUNTED = 2
 };
 
-enum SdCard {
+enum SdCard: uint8_t {
     SLOT_0,
     SLOT_1,
     BOTH
diff --git a/bsp_q7s/memory/scratchApi.h b/bsp_q7s/memory/scratchApi.h
index 09bf6bab..eceda11a 100644
--- a/bsp_q7s/memory/scratchApi.h
+++ b/bsp_q7s/memory/scratchApi.h
@@ -16,6 +16,8 @@
  */
 namespace scratch {
 
+static constexpr char PREFERED_SDC_KEY[] = "PREFSD";
+
 namespace {
 static uint8_t counter = 0;
 }