What is the recommended configuration for iSCSI connections to ensure continuous access to the Dell EMC Unity storage system in the event of a failover?
A.
Set up iSCSI interfaces to use VLAN tagging and configure the host to utilize the same VLAN
B.
Set up iSCSI interfaces on the same port of each SP and leverage the host-based multi-pathing software.
C.
Set up iSCSI interfaces on network ports on different SPs that are configured with Fail Safe Networking (FSN)
D.
Set up iSCSI interfaces on network ports that are configured with LACP on the same SP
FSN can be used for NAS Server, replication, and file import interfaces. FSN is not supported for iSCSI and since multipathing is used for block access. Any ports that have iSCSI interfaces created on them are not listed as options when creating an FSN. Also, FSN devices are not listed as options when creating iSCSI interfaces.
correct Anser B
B is correct, ref. below doc page 15:
https://www.delltechnologies.com/resources/en-us/asset/white-papers/products/storage/h15162-dell_emc_unity-high_availability.pdf
Correct ans B: When using iSCSI, configure at least one iSCSI interface per SP since these interfaces do not failover. Having an interface on the other
SP enables hosts to have continuous access to block-level storage resources if one SP becomes unavailable.
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