Re: Latest NFS-Ganesha Gluster Integration docs

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Last time I did storhaug+NFS-Ganesha I used https://github.com/gluster/storhaug/wiki .
I guess you can setup NFS-Ganesha without HA and check the performance before  proceeding further.

Have you tuned your I/O scheduler,  tuned profile , aligned your PV ,etc ? There  are  alot of stuff that can improve your Gluster.

Also, you can check the settings in /var/lib/glusterd/groups/virt  . The  settings  are used by oVirt/RHV and are the optimal settings for a Virtualization.

P.S.: Red Hat support Hyperconverged Infrastructure with 512MB shards, while the default shard size is 64MB. You can test on another volume setting a bigger shard size.


Best Regards,
Strahil Nikolov

На 29 юни 2020 г. 5:00:22 GMT+03:00, "wkmail@xxxxxxxxx" <wkmail@xxxxxxxxx> написа:
>For many years, we have maintained a number of standalone, 
>hyperconverged Gluster/Libvirt clusters  Replica 2 + Arbiter using Fuse
>
>mount and Sharding.
>
>Performance has been mostly acceptable. The clusters have high 
>availability and we have had very zero problems over the years as long 
>as we do green field upgrades to new major versions.
>
>So that is the beauty of Gluster in our opinion. It is easy to setup
>and 
>use and it simply works without much thought.
>
>As we ask more of our VMs, we see that disk i/o sometimes is a 
>bottleneck and I am looking at improving things.
>
>On this list I keep on seeing comments that VM performance is better on
>
>NFS and a general dissatisfaction with Fuse. So we are looking to see 
>for ourselves if NFS would be an improvement.
>
>We looked into gfapi but our hosts are mostly Ubuntu and gfapi is not 
>built in. We would prefer to stay with stock components for the
>critical 
>underbelly of the infrastructure.
>
>So in looking into NFS,  I find instructions for NFS-Ganesha as a 
>standalone, and I see mentions of Gluster Drivers but then I see 
>mentions of StorHaug which sort of seems to be worked on. I also see 
>pacemaker type failover instructions.
>
>Is there a set of instructions for replacing our Fuse Mount setup with 
>NFS/Ganesha and how HA is achieved  (with or without StorHaug).
>
>Any advice in this area would be appreciated.
>
>-wk
>
>
>
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