Hi,
After playing a bit with oVirt and Gluster in our pre-production environment
for the last year, we have decided to move forward with a our production design
using ovirt 4.3.7 + Gluster in a hyperconverged setup.
For this we are looking get answers to a few questions that will help out with
our design and eventually lead to our production deployment phase:
Current HW specs (total servers = 18):
1.- Server type: DL380 GEN 9
2.- Memory: 256GB
3.-Disk QTY per hypervisor:
- 2x600GB SAS (RAID 0) for the OS
- 9x1.2TB SSD (RAID[0, 6..]..? ) for GLUSTER.
4.-Network:
- Bond1: 2x10Gbps
- Bond2: 2x10Gbps (for migration and gluster)
Our plan is to build 2x9 node clusters, however the following questions come up:
1.-Should we build 2 separate environments each with its own engine? or should
we do 1 engine that will manage both clusters?
2.-What would be the best gluster volume layout for #1 above with regards to
RAID configuration:
- JBOD or RAID6 or…?.
- what is the benefit or downside of using JBOD vs RAID 6 for this particular
scenario?
3.-Would you recommend Ansible-based deployment (if supported)? If yes where
would I find the documentation for it? or should we just deploy using the UI?.
- I have reviewed the following and in Chapter 5 it only mentions Web UI
https://access.redhat.com/documentation/en-us/red_hat_hyperconverged_infrastructure_for_virtualization/1.6/html-single/deploying_red_hat_hyperconverged_infrastructure_for_virtualization/index#deployment_workflow
- Also looked at
https://github.com/gluster/gluster-ansible/tree/master/playbooks/hc-ansible-deployment
but could not get it to work properly.
4.-what is the recommended max server qty in a hyperconverged setup with
gluster, 12, 15, 18...?
Thanks,
Adrian
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