Parameters for setting up SnapMirror

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Several parameters are required to set up SnapMirror for Snap Creator Server.

Parameter Setting Description

NTAP_SNAPMIRROR_UPDATE

“Y” or “N”

Enables you to turn on and turn off the SnapMirror update function.

NTAP_SNAPMIRROR_CASCADING_UPDATE

“Y” or “N”

Enables you to turn on and turn off the cascading SnapMirror update function. This is a SnapMirror update using a SnapVault destination volume.

Note This is not supported for clustered Data ONTAP.

SNAPMIRROR_VOLUMES

Specifies the list of source storage systems and volumes on which you want to perform a SnapMirror update (for example, controller1:vol1,vol2,vol3;controller2:vol1;controller3:vol2,vol3). Note: For the VMware plug-ins (vSphere and vCloud), the value should be set to auto:detect.

SNAPMIRROR_CASCADING_VOLUMES

Specifies the list of SnapVault destination storage systems and volumes where, after a SnapVault update, you want to perform a SnapMirror update (for example, sec-controller1:vol1-sec,vol2-sec).This is not supported with cascade replication if a source volume has multiple destinations.

Note This is not supported for clustered Data ONTAP.

NTAP_SNAPMIRROR_WAIT

Specifies the wait time (in minutes) for the SnapMirror update process to finish before creating a clone on the SnapMirror destination.If NTAP_CLONE_SECONDARY is set to Y, Snap Creator waits until the SnapMirror update is finished before proceeding.

Note This can be used only with NTAP_CLONE_SECONDARY and the cloneVol action (only volume clones are currently supported).

NTAP_SNAPMIRROR_USE_SNAPSHOT

“Y” or “N”

If this parameter is enabled, the SnapMirror update uses the newly created Snapshot copy, thus creating a Snapshot copy on the SnapMirror destination. Note: This is required for NTAP_CLONE_SECONDARY because a Snapshot copy is required to create a clone on the SnapMirror destination.

NTAP_SNAPMIRROR_MAX_TRANSFER

Specifies the maximum bandwidth (in kbps) that SnapMirror is allowed to use.If this parameter is not set, SnapMirror uses the maximum available bandwidth.

SNAPMIRROR_QTREE_INCLUDE

Specifies the list of primary storage controllers and qtree paths to be included in the SnapMirror update (for example, controller1:/vol/qtree/qtree1,/vol/volume/qtree2;controller2:/vol/volume/qtree1).If this option is not used, then all the qtrees under a volume will be backed up. By specifying a list using this option, only the qtrees that are listed will be backed up; the remaining qtrees will be ignored.