NS0-157 · Question #301
Which SAN LIF type allows failover?
The correct answer is F. None of the above. In NetApp ONTAP, no SAN LIF type supports automatic failover because SAN protocols rely on host-side multipathing instead of LIF migration.
Question
Which SAN LIF type allows failover?
Options
- AiSCSI LIFs only
- BFCoE LIFs only
- CFC LIFs only
- DiSCSI LIFs and FCoE LIFs only
- EFC LIFs and FCoE LIFs only
- FNone of the above
How the community answered
(30 responses)- D3% (1)
- E3% (1)
- F93% (28)
Why each option
In NetApp ONTAP, no SAN LIF type supports automatic failover because SAN protocols rely on host-side multipathing instead of LIF migration.
iSCSI LIFs do not support LIF failover - iSCSI HA depends on multiple paths configured at the host level via MPIO.
FCoE LIFs are bound to physical CNA ports and cannot automatically fail over to another port.
FC LIFs are tied to physical HBA ports and do not support the LIF failover mechanism available to NAS LIFs.
Neither iSCSI nor FCoE LIFs support failover - both rely on multipathing at the host rather than LIF migration.
FC and FCoE LIFs are both physically bound and incapable of failover, making this combination incorrect.
FC, FCoE, and iSCSI LIFs are all incapable of failing over to another port or node automatically. FC and FCoE LIFs are bound to physical HBA ports and cannot migrate, while iSCSI LIFs also do not support LIF failover. High availability for SAN is achieved through host-based multipathing software (MPIO/DSM) rather than LIF failover.
Concept tested: SAN LIF failover limitations in ONTAP
Source: https://docs.netapp.com/us-en/ontap/san-admin/san-lif-recommendations-reference.html
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