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While some of those servers are below the minimum requirements, I don't think you'll have too many problems. I would assign them thusly:

Overcloud Controller #1: HP Proliant DL360p G8 - 2 cpu's (8 cores) - 300Gb hard drive - 32 Gb RAM
Overcloud Controller #2 and #3: HP Proliant DL360p G8 - 1 cpu (4 cores) - 600Gb hard drive - 32 Gb RAM (2 servers with the exact same specs)
Undercloud: HP Proliant DL360 G7 - 2 cpu's (6 cores) - 292 Gb hard drive - 36 Gb RAM
Compute #1 and #2:HP Proliant DL360 G7 - 1 cpu (4 cores) - 292 Gb hard drive -24 Gb RAM (2 servers with the exact same specs)
Swift: HP Proliant DL 360 G7 - 1 cpu (4 cores) - 292 Gb hard drive - 20 Gb RAM
Seed: HP Proliant DL380 G5 - 2cpu's - 144 Gb hard drive - 22 Gb RAM

If you have capacity for moving RAM around, I'd get as much RAM into the Compute nodes and the Overcloud Controllers as you possibly can. Swift probably requires the least resources; Seed also doesn't have huge requirements once it's actually running.