I am setting up a couple of Dell servers as ESXi hosts, connected to a Dell SAN for LAB purposes.
Firstly, LACP is only supported with the Enterprise Plus license, on a distributed switch. It's therefore out for a lot of users, especially any "quick and dirty".
NIC teaming is not as effecient as people want to think it is. Your one host talking to one SAN will only ever use one NIC - unless you use multipathing.
There are plenty of multipathing guides out there easily googled. That's the solution you want.
There is not enough information here to tell you definitively what is the correct design for your environment. However, here are some general tips.
I hope this helps.
Don't forget to mark this answer "correct" or "helpful" if you found it useful (you'll get points too).
VCP3/4, VCAP-DCD4/5, VCDX3/4/5
Some of the best practices have already been mentioned here however it would also be worth mentioning to use VMware's Round Robin multipathing policy rather than fixed if you are not already licensed to use Dell's MEM module.
From your diagram it looks like controller B on the EqualLogic is not used - bear in mind the controllers on the PS6100 are active/passive so it is worth connecting this up to the switch to protect you from a controller failure without worrying about having to configure the second controller - it mirrors the first controllers configuration
Just in case you are still looking for some best practice ideas when working with EqualLogic PS6100 arrays have a look at this guide on EqualLogic VMware iSCSI setup best practices. There are only 3 parts to this guide currently but these should be the most relevant parts for you.
If you are considering adding a second switch in the future there are some important aspects to consider especially with respect to Inter-Switch Links (stacking/LAG) mentioned in the article above.
Hope this helps,