Udpate regarding exclude filter

Updated a note for creation of bd cr for partitioned diks and use of disk mount path as basepath for hostpath SC Signed-off-by: ranjithwingrider <ranjith.raveendran@mayadata.io>
openebs-archive · Jun 19, 2019 · a124334 · a124334
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diff --git a/docs/uglocalpv.md b/docs/uglocalpv.md
@@ -494,7 +494,7 @@ Verify if the StorageClass is having the updated hostpath using the following co
 kubectl describe sc openebs-hostpath
 ```
 
-
+**Note**: If you are using a mount path of an external device as  `Basepath` for the default hostpath Storage Class, then you must add the corresponding block device path in the exclude filter so that NDM will not select this disk for BD creation. For example, `/dev/sdb` is mounted as `/mnt/ext_device`, and if you are using `/mnt/ext_device` as Basepath in default StorageClass `openebs-hostpath`, then you must add `/dev/sdb` in the exclude filter of NDM configuration. See [here](/1.0.0-RC2/docs/next/ugndm.html#Exclude-filters) for customizing the exclude filter in NDM configuration.
 
 <br>
 

diff --git a/docs/ugndm.md b/docs/ugndm.md
@@ -86,8 +86,6 @@ filterconfigs:
     exclude: "loop,/dev/fd0,/dev/sr0,/dev/ram,/dev/dm-,/dev/md"
 ```
 
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 <h3><a class="anchor" aria-hidden="true" id="create-blockdevice-CRs-for-partitioned-disks"></a>Create blockdevice CRs for partitioned disks</h3>
 
 Currently, NDM is not selecting partitioned disks for creating device resource. But, you can create block device resource for the partitioned disks manually. The following are the steps for the creation of block device resource.
@@ -142,6 +140,8 @@ Currently, NDM is not selecting partitioned disks for creating device resource.
 
 5. Verify if the blockdevice is created by running the following `kubectl get blockdevice -n openebs` command.
 
+**Note:** If you are creating a block device CR for a partitioned device path, then you must add the corresponding disk in the exclude filter so that NDM will not select this disk for BD creation. For example, `/dev/sdb` have 2 partition, say `/dev/sdb1` and `/dev/sdb2`. If block device CR is creating for `/dev/sdb1` by manually, then you must add `/dev/sdb` in the exclude filter of NDM configuration. See [here](#Exclude-filters) for customizing the exclude filter in NDM configuration.
+
 <br>
 
 ## See Also:
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     kubectl describe sc openebs-hostpath
     ```
+    **Note**: If you are using a mount path of an external device as  `Basepath` for the default hostpath Storage Class, then you must add the corresponding block device path in the exclude filter so that NDM will not select this disk for BD creation. For example, `/dev/sdb` is mounted as `/mnt/ext_device`, and if you are using `/mnt/ext_device` as Basepath in default StorageClass `openebs-hostpath`, then you must add `/dev/sdb` in the exclude filter of NDM configuration. See [here](/1.0.0-RC2/docs/next/ugndm.html#Exclude-filters) for customizing the exclude filter in NDM configuration.
     <br>
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