<div class="content"><p> </p><p>The VDS_DISK_OFFLINE_REASON enumeration defines the reason
for the <span><a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_c4133b2a-a990-4042-ba44-7fda3090f118" data-linktype="relative-path">disk</a></span> to be kept <span><a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_e42c8573-c14f-4a3d-bd1e-549aa1f7ec13" data-linktype="relative-path">offline</a></span>.</p><dl>
<dd>
<div><pre> typedef enum _VDS_DISK_OFFLINE_REASON
 {
   VDSDiskOfflineReasonNone = 0,
   VDSDiskOfflineReasonPolicy = 1,
   VDSDiskOfflineReasonRedundantPath = 2,
   VDSDiskOfflineReasonSnapshot = 3,
   VDSDiskOfflineReasonCollision = 4,
   VDSDiskOfflineReasonResourceExhaustion = 5,
   VDSDiskOfflineReasonWriteFailure = 6,
   VDSDiskOfflineReasonDIScan = 7
 } VDS_DISK_OFFLINE_REASON;
</pre></div>
</dd></dl><p><b>VDSDiskOfflineReasonNone:  </b>The reason is
unknown.</p><p><b>VDSDiskOfflineReasonPolicy:  </b>The disk is
offline because of the SAN policy.</p><p><b>VDSDiskOfflineReasonRedundantPath:  </b>The disk
is offline because it was determined that the disk is a redundant <span><a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_2cd71385-2d9c-4ab8-bf4a-7b258816d613" data-linktype="relative-path">path</a></span>
to another disk that is <span><a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_783ae2e4-7c04-40ba-a974-f95a30aa1ab2" data-linktype="relative-path">online</a></span>.</p><p><b>VDSDiskOfflineReasonSnapshot:  </b>The disk is
offline because it is a <span><a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_24e415c9-f158-4de0-b687-598511501c68" data-linktype="relative-path">snapshot</a></span> disk.</p><p><b>VDSDiskOfflineReasonCollision:  </b>The disk is
offline because its <span><a href="8eef5d42-22d7-4302-aed9-12face91505a#gt_0e4c21af-021e-4059-ae9a-7821ec3c2e39" data-linktype="relative-path">disk signature</a></span> is
the same as the disk signature of another disk that is online.</p><p><b>VDSDiskOfflineReasonResourceExhaustion<a id="Appendix_A_Target_43"></a><a aria-label="Product behavior note 43" href="6b2552ee-ba27-409f-99a8-18841573327a#Appendix_A_43" data-linktype="relative-path">&lt;43&gt;</a>:  </b>The disk is offline
because of lack of capacity.</p><p><b>VDSDiskOfflineReasonWriteFailure<a id="Appendix_A_Target_44"></a><a aria-label="Product behavior note 44" href="6b2552ee-ba27-409f-99a8-18841573327a#Appendix_A_44" data-linktype="relative-path">&lt;44&gt;</a>:  </b>The disk is offline
because of critical write failures.</p><p><b>VDSDiskOfflineReasonDIScan<a id="Appendix_A_Target_45"></a><a aria-label="Product behavior note 45" href="6b2552ee-ba27-409f-99a8-18841573327a#Appendix_A_45" data-linktype="relative-path">&lt;45&gt;</a>:  </b>The disk is offline
because a data integrity scan is required.</p></div>