diff --git a/defaults/main.yml b/defaults/main.yml
index 9fc8117..0d7f667 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -1,9 +1,9 @@
 ---
 # defaults file for Solana RPC
-solana_version: "v1.13.5"
+solana_version: "v1.14.17"
 ledger_disk: "nvme1n1"
 setup_disks: "true"
 download_snapshot: "true"
-ramdisk_size: 300
+# ramdisk_size: 300
 swap_mb: "100000"
 
diff --git a/files/validator.sh b/files/validator.sh
index e8122f3..565167c 100644
--- a/files/validator.sh
+++ b/files/validator.sh
@@ -18,18 +18,17 @@ exec /mnt/solana/target/release/solana-validator \
 --enable-cpi-and-log-storage \
 --account-index program-id \
 --enable-rpc-transaction-history \
---no-duplicate-instance-check \
 --wal-recovery-mode skip_any_corrupted_record \
 --log /mnt/logs/solana-validator.log \
 --accounts /mnt/solana-accounts \
 --ledger /mnt/solana-ledger \
 --snapshots /mnt/solana-snapshots \
---no-snapshot-fetch \
 --limit-ledger-size 400000000 \
 --rpc-send-default-max-retries 3 \
 --rpc-send-service-max-retries 3 \
 --rpc-send-retry-ms 2000 \
 --full-rpc-api \
+--enable-accounts-disk-index \
 --accounts-index-memory-limit-mb 350 \
 --account-index-exclude-key kinXdEcpDQeHPEuQnqmUgtYykqKGVFq6CeVX5iAHJq6 \
 --tpu-use-quic \
diff --git a/tasks/disks.yaml b/tasks/disks.yaml
index 4d0164a..88cb904 100644
--- a/tasks/disks.yaml
+++ b/tasks/disks.yaml
@@ -2,25 +2,45 @@
   become: true
   become_user: root
   shell: df -h | grep mnt/solana-ledger
-  ignore_errors: yes
+  ignore_errors: true
   register: mount_mnt
 
-- name: format disks with ext4
+- name: Get list of NVMe drives over 750GB that are not mounted
+  become: true
+  become_user: root
+  shell: >
+    lsblk -ln -o NAME,SIZE -d -b | grep nvme | awk '$2 > 750*1024*1024*1024 {print $1}' | 
+    while read drive; do
+      if ! grep -qs "/dev/$drive " /proc/mounts; then
+        echo $drive
+        break
+      fi
+    done
+  register: ledger_disk_raw
+  when: mount_mnt.rc != 0
+
+- name: Set ledger_disk variable
+  set_fact:
+    ledger_disk: "{{ ledger_disk_raw.stdout }}"
+  when: mount_mnt.rc != 0
+
+- name: Format disks with ext4
   become: true
   become_user: root
   shell: mkfs.ext4 /dev/{{ ledger_disk }}
   when: mount_mnt.rc != 0
 
-- name: mount disks for ledger
+- name: Mount disks for ledger
   become: true
   become_user: root
   shell: mount /dev/{{ ledger_disk }} /mnt/solana-ledger && chown -R solana:solana /mnt/solana-ledger
   when: mount_mnt.rc != 0
 
-- name: add mounted disk to fstab
+- name: Add mounted disk to fstab
   become: true
   become_user: root
   lineinfile:
     dest: /etc/fstab
     state: present
     line: "/dev/{{ ledger_disk }}    /mnt/solana-ledger    ext4    defaults    0    1"
+  when: mount_mnt.rc != 0
\ No newline at end of file