raidzNoCache Intel Core i5-6300U testing with a LENOVO 20JSS0KS00 (N1WET63W 1.42 BIOS) and Intel HD 520 SKL GT2 3GB on Ubuntu 22.04 via the Phoronix Test Suite. RaidZ without Cache: Processor: Intel Core i5-6300U @ 3.00GHz (2 Cores / 4 Threads), Motherboard: LENOVO 20JSS0KS00 (N1WET63W 1.42 BIOS), Chipset: Intel Xeon E3-1200 v5/E3-1500, Memory: 12GB, Disk: 256GB Sabrent + 0GB SD/MMC, Graphics: Intel HD 520 SKL GT2 3GB (1000MHz), Audio: Realtek ALC298, Network: Intel I219-LM + Intel 8260 OS: Ubuntu 22.04, Kernel: 5.15.0-33-generic (x86_64), Desktop: GNOME Shell 42.0, Display Server: X Server + Wayland, OpenGL: 4.6 Mesa 22.0.1, Compiler: GCC 11.2.0, File-System: nfs, Screen Resolution: 1920x1080 Flexible IO Tester 3.29 Type: Random Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: Default Test Directory IOPS > Higher Is Better RaidZ without Cache . 26 |===================================================== Flexible IO Tester 3.29 Type: Random Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: Default Test Directory MB/s > Higher Is Better RaidZ without Cache . 106 |==================================================== Flexible IO Tester 3.29 Type: Sequential Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: Default Test Directory IOPS > Higher Is Better RaidZ without Cache . 26 |===================================================== Flexible IO Tester 3.29 Type: Sequential Read - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: Default Test Directory MB/s > Higher Is Better RaidZ without Cache . 106 |==================================================== Flexible IO Tester 3.29 Type: Sequential Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: Default Test Directory IOPS > Higher Is Better RaidZ without Cache . 14 |===================================================== Flexible IO Tester 3.29 Type: Sequential Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: Default Test Directory MB/s > Higher Is Better RaidZ without Cache . 57.9 |=================================================== Flexible IO Tester 3.29 Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: Default Test Directory IOPS > Higher Is Better RaidZ without Cache . 14 |===================================================== Flexible IO Tester 3.29 Type: Random Write - Engine: Sync - Buffered: No - Direct: Yes - Block Size: 4MB - Disk Target: Default Test Directory MB/s > Higher Is Better RaidZ without Cache . 58.0 |===================================================