diff --git a/check_raid.yml b/check_raid.yml
index 717e8df..7ef9e35 100644
--- a/check_raid.yml
+++ b/check_raid.yml
@@ -8,38 +8,32 @@
   become_method: sudo
 
   vars:
-    # VM connection (provided by Semaphore env vars)
     vm_ip:   "{{ lookup('env', 'VM_IP') }}"
     vm_user: "{{ lookup('env', 'VM_USER') }}"
     vm_pass: "{{ lookup('env', 'VM_PASS') }}"
     use_sudo: false
 
-    # --- Debug mode (controlled via Semaphore variable) ---
     DEBUG: "{{ lookup('env', 'DEBUG') | default(0) | int }}"
     RETRIES: "{{ lookup('env', 'RETRIES') | default(25) | int }}"
 
-    # --- RAID specifics ---
-    # RAID_MD can be: md0 / md1 / ... OR "auto" to check all arrays found in /proc/mdstat
     raid_md_device: "{{ lookup('env', 'RAID_MD') | default('md0', true) }}"
-    # 1 = allow resync/recovery/reshape/check/repair; 0 = fail when such activity is detected
     raid_allow_sync: "{{ lookup('env', 'RAID_ALLOW_SYNC') | default(1, true) | int }}"
-    # 1 = do not fail when no MD arrays exist on the target
     raid_allow_no_array: "{{ lookup('env', 'RAID_ALLOW_NO_ARRAY') | default(0, true) | int }}"
 
-    # Retry policy
     raid_retries: "{{ RETRIES }}"
     raid_delay: 2
-
-    # Hard timeout for the whole SSH command (prevents hanging forever)
     ssh_hard_timeout: 30
 
-    # SSH options (same style, but avoids auth prompts)
     ssh_opts:
       - "-o"  # English comments
       - "StrictHostKeyChecking=no"
       - "-o"
       - "UserKnownHostsFile=/dev/null"
       - "-o"
+      - "GlobalKnownHostsFile=/dev/null"
+      - "-o"
+      - "LogLevel=ERROR"
+      - "-o"
       - "ConnectTimeout=15"
       - "-o"
       - "PreferredAuthentications=password"
@@ -50,7 +44,6 @@
       - "-o"
       - "NumberOfPasswordPrompts=1"
 
-    # Commands to run on the target VM
     raid_commands:
       - |
         python3 - <<'PY'
@@ -67,30 +60,24 @@
             print(f"ERROR: cannot read /proc/mdstat: {e}")
             sys.exit(2)
 
-        # Find all md arrays present
-        # We parse tokens like: [2/2] [UU]
         arrays = {}
         header_re = re.compile(r"^(md\d+)\s*:\s*active.*$", re.MULTILINE)
         token_re = re.compile(r"^\s*\d+\s+blocks.*\[\d+/\d+\]\s*\[([U_]+)\]\s*$", re.MULTILINE)
 
         for m in header_re.finditer(txt):
             name = m.group(1)
-            start = m.end()
-            # Look ahead for the next token line after this header
-            chunk = txt[start:start + 3000]
+            chunk = txt[m.end():m.end() + 3000]
             tm = token_re.search(chunk)
             if tm:
                 arrays[name] = tm.group(1)
 
         if not arrays:
-            msg = "NO_MD_ARRAYS: /proc/mdstat contains no active md arrays."
-            print(msg)
+            print("NO_MD_ARRAYS: /proc/mdstat contains no active md arrays.")
             print(txt.strip())
             sys.exit(0 if allow_no_array else 2)
 
         syncing = bool(re.search(r"\b(resync|recovery|reshape|check|repair)\b", txt))
 
-        # Decide which arrays to check
         if target == "auto":
             to_check = sorted(arrays.keys())
         else:
@@ -100,18 +87,14 @@
                 sys.exit(2)
             to_check = [target]
 
-        bad = []
+        any_degraded = False
         for name in to_check:
             token = arrays[name]
             degraded = "_" in token
-            bad.append((name, token, degraded))
-
-        # Print summary
-        for name, token, degraded in bad:
+            any_degraded = any_degraded or degraded
             print(f"RAID={name} token=[{token}] degraded={degraded} syncing={syncing} allow_sync={allow_sync}")
 
-        # Fail conditions
-        if any(degraded for _, _, degraded in bad):
+        if any_degraded:
             sys.exit(1)
 
         if syncing and not allow_sync:
@@ -152,11 +135,11 @@
       retries: "{{ raid_retries }}"
       delay: "{{ raid_delay }}"
       until: raid_cmds.rc not in [124, 255]
+      run_once: true
 
     - name: Show outputs for each RAID command
       ansible.builtin.debug:
         msg: |
-          CMD: {{ item.item | default('n/a') }}
           RC:  {{ item.rc }}
           STDOUT:
           {{ (item.stdout | default('')).strip() }}
@@ -164,6 +147,7 @@
           {{ (item.stderr | default('')).strip() }}
       loop: "{{ (raid_cmds.results if (raid_cmds.results is defined) else [raid_cmds]) }}"
       when: DEBUG == 1
+      run_once: true
 
     - name: Fail play if RAID check failed  # English comments
       ansible.builtin.assert:
@@ -174,3 +158,4 @@
       loop_control:
         index_var: idx
         label: "cmd-{{ idx }}"
+      run_once: true