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Which server do I use as which component in a Tripleo environment

asked 2015-03-11 05:52:06 -0600

toon_peeters gravatar image

I am currently trying to set up an OpenStack environment using the HP Helion community edtion. When I was reading about the minimum requirements, I've tried to build a setup which came as close to these requirements as I could get with the material that was given to me. Now I am wondering which role I am going to assign to which server in the deployment. I was also wondering which specs are most important when making this decision.

Here is the list of servers I have used and their specs:

  • HP Proliant DL360p G8 - 2 cpu's (8 cores) - 300Gb hard drive - 32 Gb RAM
  • HP Proliant DL360p G8 - 1 cpu (4 cores) - 600Gb hard drive - 32 Gb RAM (2 servers with the exact same specs)
  • HP Proliant DL360 G7 - 2 cpu's (6 cores) - 292 Gb hard drive - 36 Gb RAM
  • HP Proliant DL360 G7 - 1 cpu (4 cores) - 292 Gb hard drive -24 Gb RAM (2 servers with the exact same specs)
  • HP Proliant DL 360 G7 - 1 cpu (4 cores) - 292 Gb hard drive - 20 Gb RAM
  • HP Proliant DL380 G5 - 2cpu's - 144 Gb hard drive - 22 Gb RAM

The only thing I am sure of at this time, is that I am going to use the last server as the seed server.

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answered 2015-03-23 11:35:54 -0600

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.

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Thank you for the response. My OpenStack is running and in the end it didn't really matter which server took which role, because with HP Helion community edition I wasn't able to manually choose this. In the end all the nodes where downgraded using the least powerful flavor of the stack.

toon_peeters gravatar imagetoon_peeters ( 2015-04-03 03:59:36 -0600 )edit

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Asked: 2015-03-11 05:52:06 -0600

Seen: 405 times

Last updated: Mar 23 '15