Sadly, TrueNAS does not support NFS 4.2 (yet). Direct from their VP of Engineering: "... snip ... Most likely to appear on SCALE first, since we use NFS-Ganesha there, and I believe it has some 4.2 support already, don't know offhand if its fully implemented ... " *David Johnson* *Director of Development, Maxis Technology* 844.696.2947 ext 702 (o) | 479.531.3590 (c) <https://www.linkedin.com/in/pojoguy/> <https://maxistechnology.com/wp-content/uploads/vcards/vcard-David_Johnson.vcf> <https://maxistechnology.com/> *Follow us:* <https://www.linkedin.com/company/maxis-tech-inc/> On Fri, Apr 30, 2021 at 12:05 PM Strahil Nikolov <hunter86_bg@yahoo.com> wrote:
I have the feeling that it's using the wrong Network.
Also, check if TrueNAS supports NFS Server-Side Copy. In order to use that feature mount the share via v4.2 .
Best Regards, Strahil Nikolov
On Fri, Apr 30, 2021 at 19:10, David Johnson <djohnson@maxistechnology.com> wrote: Hi everyone,
When cloning a VM, I discovered that the time to close appears excessive based on the underlying platform I am using. It appears that the clone operation is not making efficient use of the network. I have seen up to 4 GBits sustained throughput by applications on VM's on the cluster.
Is there a configuration I might be missing?
*System specifics:* Backing store: NFS on TrueNAS running zRaid 3 on 11 spinning disks
Ovirt Controller: I7 desktop General network: 1 GBit Ethernet
Ovirt Host: Intel(R) Xeon(R) Silver 4216 CPU @ 2.10GHz, 2x32 cores, 256 GB RAM Data Network: 10 GBit 10GBase-Twinax, dedicated to this Host and the TrueNAS
*Operation:* Copying the 60GB partition, the copy operation never exceeds 40 megabytes per second (less than 0.5 GBit), even though the dedicated 10 Gigabit data network is not otherwise busy.
[image: image.png]
*David Johnson* *Director of Development, Maxis Technology* 844.696.2947 ext 702 (o) | 479.531.3590 (c) <https://www.linkedin.com/in/pojoguy/> <https://maxistechnology.com/wp-content/uploads/vcards/vcard-David_Johnson.vcf> <https://maxistechnology.com/>
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