EF & E-Series, SANtricity, and Related Plug-ins
I feel E series doesn't provide such functions, it will be dependending on iSCSI hosts multipathing. But, I would like to confirm experts here.
There are two controllers, and 2 ports on each one.
You need host side multipathing for iSCSI and FC failover in general. Neither eSeries or FAS has LIFs (FC or iSCSI) that failover to the other controller during failover.
Everything depends on something. Using MPIO on the host is common to most arrays.
E-Series provides full redundancy (controller, controller port, disk)
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