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Benchmark on Windows 2016 bhyve VM

Western Digital Drives - The Preferred Drives of FreeNAS and TrueNAS CORE
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Tino Zidore

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Joined
Nov 23, 2015
Messages
30
Hi

I was wondering if anyone could explain to me why the attached image benchmarks on my Windows Server 2016 is so low.

Freenas system:
Supermicro SuperServer 2027PR-DC0TR
Intel(R) Xeon(R) CPU E5-2690 v2 @ 3.00GHz
128 GB RAM

The VM_TANK:
2 mirrored vdevs with 2 x SanDisk SDSSDH31000G

I have made a zvol on the VM_TANK for the Windows server 2016.
The VM has:
8 x vCPUs
8192 MB RAM

The faster read/write and IOPS speed of the 4 mirrored SSDs should be more than enough to handle a zvol or am I wrong?

Anyone having a similar setup with other results?

The VM is running just fine but I wonder why the benchmark is this low?

See attached image.
 

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kdragon75

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Joined
Aug 7, 2016
Messages
2,464
What is the ZFS record size on the zvol?
 

Tino Zidore

Member
Joined
Nov 23, 2015
Messages
30
It is 16K

VM_TANK/vms/dc01 type volume -
VM_TANK/vms/dc01 creation Tue Jun 5 19:45 2018 -
VM_TANK/vms/dc01 used 29.4G -
VM_TANK/vms/dc01 available 1.32T -
VM_TANK/vms/dc01 referenced 12.7G -
VM_TANK/vms/dc01 compressratio 1.43x -
VM_TANK/vms/dc01 reservation none default
VM_TANK/vms/dc01 volsize 110G local
VM_TANK/vms/dc01 volblocksize 16K -
VM_TANK/vms/dc01 checksum on default
VM_TANK/vms/dc01 compression lz4 inherited from VM_TANK
VM_TANK/vms/dc01 readonly off default
VM_TANK/vms/dc01 copies 1 default
VM_TANK/vms/dc01 refreservation none default
VM_TANK/vms/dc01 primarycache all default
VM_TANK/vms/dc01 secondarycache all default
VM_TANK/vms/dc01 usedbysnapshots 16.7G -
VM_TANK/vms/dc01 usedbydataset 12.7G -
VM_TANK/vms/dc01 usedbychildren 0 -
VM_TANK/vms/dc01 usedbyrefreservation 0 -
VM_TANK/vms/dc01 logbias latency default
VM_TANK/vms/dc01 dedup off default
VM_TANK/vms/dc01 mlslabel -
VM_TANK/vms/dc01 sync standard local
VM_TANK/vms/dc01 refcompressratio 1.40x -
VM_TANK/vms/dc01 written 824M -
VM_TANK/vms/dc01 logicalused 41.4G -
VM_TANK/vms/dc01 logicalreferenced 17.8G -
VM_TANK/vms/dc01 volmode default default
VM_TANK/vms/dc01 snapshot_limit none default
VM_TANK/vms/dc01 snapshot_count none default
VM_TANK/vms/dc01 redundant_metadata all default
VM_TANK/vms/dc01 org.freenas:description local
 
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