iXsystems M-Series (SMB)

Model number: TrueNAS M30
Storage Category: Software Defined Storage - Hybrid
Drive quantity, size, type: 

• 20 x 10 TB SAS HDD HUH721010AL4200
• 1 x 3.84 TB SAS SSD XS3840SE70055

Storage configuration: RAID 10
ZFS array of striped 2x HDD mirrors with 1 SSD1 for read cache.
Firmware version: TrueNAS SCALE 23.10.0
Connection protocol and speed: 10GbE SMB
Additional support: All models and configurations of TrueNAS M-Series with specifications equivalent or greater than the above

General product family overview:
TrueNAS is an Open Source storage operating system built on OpenZFS. The TrueNAS M-Series modular hardware architecture supports multiple applications with its hybrid flash and disk storage pools.
The TrueNAS M-30 is a 4U system with dual controllers.

Vendor Settings:

• Caching used: Yes
• Read/write caching: One SSD is used as a secondary ZFS ARC device for read caching.
• Does vendor solution support SMB write-through? Yes
• How SMB write-through enabled/disabled? Access the Datasets page and select the dataset being used for the SMB share. Select Edit and then modify the Sync setting.
• Was SMB write-through enabled during the testing? Yes
• Networking: MTU = 9000
• Multipathing / link aggregation used: No
• Array deduplication used in testing: No
• Array compression used in testing: Yes