diff --git a/listServers.py b/listServers.py
index 5761ae5..295e9b1 100644
--- a/listServers.py
+++ b/listServers.py
@@ -4,6 +4,9 @@ def listServers(serverName):
     # Expected data:
     # serverName = ['Bay Server Name                                       Serial Number   Status   Power   UID Partner\r', '--- ------------------------------------------------- --------------- -------- ------- --- -------\r', '  1 tty-lab-1                                                         OK       On      Off \r', '  2 tty-lab-2                                         CZ320263P9      OK       On      Off \r', '  3 tty-lab-3                                         CZJ14410KP      Failed   On      Off \r', '  4 kspve1                                            CZJ14410KK      OK       On      Off \r', '  5 kspve2-2                                                          OK       On      Off \r', '  6 kspve3                                                            OK       On      Off \r', '  7 plaes-blade                                                       OK       On      Off \r', '  8 Ringly-01                                         CZ3402Y48C      OK       On      Off \r', '  9 toomas-lepik                                      CZ3217FNYE      OK       On      Off \r', ' 10 toomas-lepik2                                     CZ3217FFSS      OK       On      Off \r', ' 11 [Absent]                                          \r', ' 12 erki-naumanis                                                     OK       On      Off \r', ' 13 [Absent]                                          \r', ' 14 [Absent]                                          \r', ' 15 [Absent]                                          \r', ' 16 [Absent]                                          \r']
 
+    # Input validation
+    if not type(serverName) is list:
+        raise TypeError("ssh_runcmd: command must be a list, '" + str(serverName) + "' is not.")
     # Check if the first item in the list is the header. If this is true (data started at right place), most likely the other data is fine as well.
     if not serverName[0] == 'Bay Server Name                                       Serial Number   Status   Power   UID Partner\r':
         logging.critical(serverName)
diff --git a/main.py b/main.py
index af03c90..dc037f5 100644
--- a/main.py
+++ b/main.py
@@ -7,8 +7,8 @@ from time import sleep
 import listServers, relativeUsage
 
 # Debugging stuffs
-logging.basicConfig()
-logging.getLogger("paramiko").setLevel(logging.DEBUG)
+#logging.basicConfig()
+#logging.getLogger("paramiko").setLevel(logging.DEBUG)
 
 # Creds
 hostname = '172.23.224.40' 
@@ -107,7 +107,7 @@ ssh.close()
 
 ## Calculating blade usage by percentage. ## 
 # Keep in mind the querying of the data took a while, a minute or so.
-relativeUsage.relativeUsage(encPowerUsageAC, servers)
+relativeUsage.relativeUsage(encPowerUsageAC, baysInUseCount, servers)
 
 print(servers)
 breakpoint()
diff --git a/relativeUsage.py b/relativeUsage.py
index 9d57c4d..cf69eaf 100644
--- a/relativeUsage.py
+++ b/relativeUsage.py
@@ -1,5 +1,18 @@
-# Current data: [[1, 'tty-lab-1', '', 'OK', 'On', 'Off', 144], [2, 'tty-lab-2', 'CZ320263P9', 'OK', 'On', 'Off', 86], [3, 'tty-lab-3', 'CZJ14410KP', 'Failed', 'On', 'Off', 129], [4, 'kspve1', 'CZJ14410KK', 'OK', 'On', 'Off', 87], [5, 'kspve2-2', '', 'OK', 'On', 'Off', 87], [6, 'kspve3', '', 'OK', 'On', 'Off', 82], [7, 'plaes-blade', '', 'OK', 'On', 'Off', 81], [8, 'Ringly-01', 'CZ3402Y48C', 'OK', 'On', 'Off', 124], [9, 'toomas-lepik', 'CZ3217FNYE', 'OK', 'On', 'Off', 132], [10, 'toomas-lepik2', 'CZ3217FFSS', 'OK', 'On', 'Off', 101], [12, 'erki-naumanis', '', 'OK', 'On', 'Off', 88]]
 
-def relativeUsage(encPowerUsageAC, servers):
+def relativeUsage(encPowerUsageAC, baysInUseCount, servers):
+    # Input validation
+    if not type(encPowerUsageAC) is int:
+        raise TypeError("ssh_runcmd: command must be an integer, '" + str(encPowerUsageAC) + "' is not.")
+    if not type(baysInUseCount) is int:
+        raise TypeError("ssh_runcmd: command must be an integer, '" + str(baysInUseCount) + "' is not.")
+    if not type(servers) is list:
+        raise TypeError("ssh_runcmd: command must be a list, '" + str(servers) + "' is not.")
 
-    return servers
\ No newline at end of file
+    for srv in range(baysInUseCount):
+        a
+    return servers
+
+encPowerUsageAC = 1775
+baysInUseCount = 11
+servers = [[1, 'tty-lab-1', '', 'OK', 'On', 'Off', 144], [2, 'tty-lab-2', 'CZ320263P9', 'OK', 'On', 'Off', 86], [3, 'tty-lab-3', 'CZJ14410KP', 'Failed', 'On', 'Off', 129], [4, 'kspve1', 'CZJ14410KK', 'OK', 'On', 'Off', 87], [5, 'kspve2-2', '', 'OK', 'On', 'Off', 87], [6, 'kspve3', '', 'OK', 'On', 'Off', 82], [7, 'plaes-blade', '', 'OK', 'On', 'Off', 81], [8, 'Ringly-01', 'CZ3402Y48C', 'OK', 'On', 'Off', 124], [9, 'toomas-lepik', 'CZ3217FNYE', 'OK', 'On', 'Off', 132], [10, 'toomas-lepik2', 'CZ3217FFSS', 'OK', 'On', 'Off', 101], [12, 'erki-naumanis', '', 'OK', 'On', 'Off', 88]]
+print(relativeUsage(encPowerUsageAC, baysInUseCount, servers))
\ No newline at end of file
diff --git a/test.py b/test.py
deleted file mode 100644
index e69de29..0000000
diff --git a/test2.py b/test2.py
deleted file mode 100644
index e69de29..0000000