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How to re add the disk on the LUN


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Hi guys,


I have my xpenology DSM 5.2-5592 Update 4 running on ESXI 5.x with 3 disks in a LUN (RDM). After some manual reboot (xpenology and esxi), the xpenology does not want to power on.


The log en ESXi said:

Cannot open the disk '/vmfs/volumes/.../4To_WD40EFRX2D68WT0N0.vmdk' or one of the snapshot disks it depends on. 19 (No such device)


This disk still exist "...T0N0.vmdk":


/vmfs/volumes/54b2b2dd-e3dc7654-xxyy-fcaa14227183/RDM # ls -al

total 1032

drwxr-xr-x 1 root root 1120 Jul 31 22:26 .

drwxr-xr-t 1 root root 2800 Oct 21 2015 ..

-rw------- 1 root root 4000787030016 Jan 15 2015 4To_WD2DWCC4EKHFUP4H-rdmp.vmdk

-rw------- 1 root root 512 Jul 31 22:26 4To_WD2DWCC4EKHFUP4H.vmdk

-rw------- 1 root root 4000787030016 Jan 14 2015 4To_WD2DWCC4EKLRLUTA-rdmp.vmdk

-rw------- 1 root root 512 Jul 31 22:26 4To_WD2DWCC4EKLRLUTA.vmdk

-rw------- 1 root root 4000787030016 Jan 14 2015 4To_WD40EFRX2D68WT0N0-rdmp.vmdk

-rw------- 1 root root 513 Jul 17 13:43 4To_WD40EFRX2D68WT0N0.vmdk


When i check on the Xpenology configuration, the disk 2 seems NOT to be part of the LUN. The disk 3 and 4 are in a LUN. I have deleted it and try to re add but esxi does not recognize the file "4To_WD40EFRX2D68WT0N0.vmdk".


Anyway, the disk is deleted and i could boot up in a degraded volume


I will check this disk on the bios tomorrow. But what do you think?

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