Clearing SCSI-3 persistent reservations
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If you have a Windows cluster, you need to remove SCSI-3 reservations for the quorum disk, even if all clustered hosts are offline.
If you attempt to label the source LUN as a foreign disk, the following error message will appear:
Error: command failed: The specified foreign disk has SCSI persistent reservations. Disk serial number: "6006016021402700787BAC217B44E411". Clear the reservation using the "storage disk remove-reservation" command before creating the import relationship.
You can remove SCSI-3 reservations for the quorum disk on the NetApp controller using the storage disk remove-reservation command:
storage disk remove-reservation –disk disk_name
Here is a snippet showing this error and the remediation for it:
cluster-4b::*> lun offline -vserver fli_cluster -path /vol/fli_volume/cluster_CVS cluster-4b::*> lun import create -vserver fli_cluster -path /vol/fli_volume/cluster_CVS -foreign-disk 6006016021402700787BAC217B44E411 Error: command failed: The specified foreign disk is not marked as foreign. Disk serial number: "6006016021402700787BAC217B44E411". cluster-4b::*> sto disk show -disk DGC-1.6 -fields serial-number,is-foreign (storage disk show) disk is-foreign serial-number ------- ---------- -------------------------------- DGC-1.6 true 6006016021402700787BAC217B44E411 cluster-4b::*> lun import create -vserver fli_cluster -path /vol/fli_volume/cluster_CVS -foreign-disk 6006016021402700787BAC217B44E411 Error: command failed: The specified foreign disk has SCSI persistent reservations. Disk serial number: "6006016021402700787BAC217B44E411". Clear the reservation using the "storage disk remove-reservation" command before creating the import relationship. cluster-4b::*> storage disk remove-reservation -disk DGC-1.6 cluster-4b::*> lun import create -vserver fli_cluster -path /vol/fli_volume/cluster_CVS -foreign-disk 6006016021402700787BAC217B44E411 cluster-4b::*> lun online -vserver fli_cluster -path /vol/fli_volume/cluster_CVS cluster-4b::*> lun import show vserver foreign-disk path operation admin operational percent in progress state state complete ------------------------------------------------------------------------------- fli_cluster 6006016021402700787BAC217B44E411 /vol/fli_volume/cluster_CVS import stopped stopped 0 cluster-4b::*> lun import start -vserver fli_cluster -path /vol/fli_volume/cluster_CVS cluster-4b::*> lun import show vserver foreign-disk path operation admin operational percent in progress state state complete ------------------------------------------------------------------------------- fli_cluster 6006016021402700787BAC217B44E411 /vol/fli_volume/cluster_CVS import started in_progress 7