make sure that we don't override existing partition

server/create-partition.sh

@@ -6,21 +6,29 @@ db_location="/var/lib/postgresql"
 #check if disk is available
 if [ -e $db_disk  ]
 then
-    file_system_ok=`sudo fsck -N /dev/vdb |grep ext4 |wc -l`
-
-    if [ "$file_system_ok" = "0" ]
+    mounted=`mount |grep "$db_disk" |wc -l`
+    if [ "$mounted" = "0" ]
     then
-        echo "Initializing file system"
-        sudo mkfs.ext4 $db_disk
-        echo "Mounting file system"
-        sudo mkdir -p $db_location
-        sudo echo "$db_disk $db_location    ext4    defaults    0   0">>/etc/fstab
-        sudo mount $db_disk
+        file_system_ok=`sudo fsck -N /dev/vdb |grep ext4 |wc -l`
+
+        if [ "$file_system_ok" = "0" ]
+        then
+           echo "Initializing file system"
+           sudo mkfs.ext4 $db_disk
+           echo "Mounting file system"
+           sudo mkdir -p $db_location
+           sudo echo "$db_disk $db_location    ext4    defaults    0   0">>/etc/fstab
+           sudo mount $db_disk
 
+        else
+            echo "File system alredy exists. Aborting"
+            exit 1
+        fi
     else
-        echo "File system alredy exists. Aborting"
-        exit 1
+        echo "Partinion mounted. Skipping"
+        mount |grep "$db_disk"
     fi
+
 else 
     echo "Disk for database not found: $db_disk"
 fi