Patching X5-2 VP -> 18,3 fails with" ERROR: Unable to update the OS"

Hi,

getting error applying patch:

oakcli update -patch 18.3.0.0.0 --server

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*****                                                                  *****

*****   For all X5-2 customers with 8TB disks, please make sure to     *****

*****   run storage patch ASAP to update the disk firmware to "PAG1".  *****

*****                                                                  *****

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INFO: DB, ASM, Clusterware may be stopped during the patch if required

INFO: Both Nodes may get rebooted automatically during the patch if required

Do you want to continue: [Y/N]?: y

INFO: User has confirmed for the reboot

INFO: Patch bundle must be unpacked on the second Node also before applying the patch

Did you unpack the patch bundle on the second Node? : [Y/N]? : y

INFO: All the VMs except the ODABASE will be shutdown forcefully if needed