Fix broken example volume links

Author: intojhanurag

content/en/docs/concepts/storage/volumes.md

@@ -317,7 +317,7 @@ You must configure FC SAN Zoning to allocate and mask those LUNs (volumes) to th
 beforehand so that Kubernetes hosts can access them.
 {{< /note >}}
 
-See the [fibre channel example](https://github.com/kubernetes/examples/tree/master/staging/volumes/fibre_channel)
+See the [fibre channel example](https://github.com/kubernetes/examples/tree/master/_archived/volumes/fibre_channel)
 for more details.
 
 ### gcePersistentDisk (deprecated) {#gcepersistentdisk}
@@ -663,7 +663,7 @@ and then serve it in parallel from as many Pods as you need. Unfortunately,
 iSCSI volumes can only be mounted by a single consumer in read-write mode.
 Simultaneous writers are not allowed.
 
-See the [iSCSI example](https://github.com/kubernetes/examples/tree/master/volumes/iscsi) for more details.
+See the [iSCSI example](https://github.com/kubernetes/examples/tree/master/_archived/volumes/iscsi) for more details.
 
 ### local
 
@@ -774,7 +774,7 @@ use [/etc/nfsmount.conf](https://man7.org/linux/man-pages/man5/nfsmount.conf.5.h
 You can also mount NFS volumes via PersistentVolumes which do allow you to set mount options.
 {{< /note >}}
 
-See the [NFS example](https://github.com/kubernetes/examples/tree/master/staging/volumes/nfs)
+See the [NFS example](https://github.com/kubernetes/examples/tree/master/_archived/volumes/nfs)
 for an example of mounting NFS volumes with PersistentVolumes.
 
 ### persistentVolumeClaim {#persistentvolumeclaim}
@@ -826,7 +826,7 @@ before using it in the Pod.
 {{< /note >}}
 
 For more details, see the
-[Portworx volume](https://github.com/kubernetes/examples/tree/master/staging/volumes/portworx/README.md) examples.
+[Portworx volume](https://github.com/kubernetes/examples/blob/master/_archived/volumes/portworx/README.md) examples.
 
 #### Portworx CSI migration
 {{< feature-state feature_gate_name="CSIMigrationPortworx" >}}