On Fri, Jul 6, 2018 at 12:17 PM, Tal Bar-Or <tbaror(a)gmail.com> wrote:
Hello All,
I am about deploying a new Ovirt system for our developers that we plan to
be hyperconverged environment Node based.
The system workload would be mostly used for builders that compiling our
code , which involves with lots of small files and intensive IO.
I plan to build two glustered volume "layers" one based on sas drives for
OS spin on, and second for Nvme based for intensive IO.
I would expect that the system will be resilient/high availability and in
the same time give enough good IO request for vm builders that will be at
least 6 to 8 vm guests.
The system hardware would be as follows:
*chassis*: 4x HP DL380 gen8
*each server hardware:*
*cpu*: 2x e5-2690v2
*memory*:256GB
*Disks*:12x 1.2TB sas 10k disks , 2 mirror for os (or using usk kingstone
2x 128gb mirror) rest for vm os volume.
*Nvme*: 2x960GB Kingstone KC1000 for builders compiling source code
*Network: *4 ports Intel 10Gbit/s SFP +
Given above configuration and theory, my question would be what would be
best practice in terms of Gluster configuration *Distributed,Replicated,Distributed
Replicated,Dispersed,Distributed Dispersed*?
What is the suggestion for hardware raid type 5 or 6 , or use ZFS?
Replicated or distributed-replicated with replica 3 or replica 3 with
arbiter. Plain distribute will not provide HA for the data. Dispersed
volume types are not fully integrated and supported with oVirt
Network nodes communication , i intend to use 3 ports for storage
communication and one port for guests network , my question
regarding
Gluster inter communication , what is better would i gail from 3x 10G LACP
or 1 network for each gluster volume?
3x10G - since we do not really have a way to separate networks by each
gluster volume.
Please advice
Thanks
--
Tal Bar-or
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