random ZFS performance in raidZ but peak in btrfs raid 5

[ARMITAGEIII]

i need any advice on how the f*** my machine can run *full speed* (or close enough)  with btrfs raid 5 but with zfs the speed is up and down every 3 seconds

drives are mixed ,but all of them work flawless in btrfs ,and not in zfs ,i have no explanation

Also i checked bottlenecks and i see none  ,this motheboard is a erying i5 12500h with turbo off (turbo on is the same) 32 gb ddr4 3200 hyper X beast ,and for the drives i use a nvme to sata converter ,yeah is not the best option but the only pci express x16/x8 is for the intel x520-1 card. Drives are al 4*8tb HGST shucked except 1 toshiba nas 8tb drive

also is not a pci express bottleneck and is not the nvme to sata converter. im open to suggestions ,until its fixed i will remain in btrfs raid 5 i guess . Also checked drives/controller with the diskspeed community tool and everything was perfect. iperf3 ruled out network problems ,and even if they were network related i guess btrfs would also have problems ?

 

ill attach some screenshoots of a 60gb file copy so everyone can understand better.

 

with and without jumbro frames the speed is the same ,so...

 

could if be the samba options?

 

server multi channel support = yes
aio read size = 1
aio write size = 1
interfaces = "192.168.1.5;capability=RSS,speed=10000000000"

 

thank you in advance.

 

sorry for language ,im from spain

 

 

mercedes-diagnostics-20240218-2235.zip

[JorgeB]

Can't really explain what you see, possibly zfs doesn't like one or more hard drives, can you try with 1M recordize? Performance should improve a least a little:

 

zfs set recordsize=1M pool_name

 

It will only affect new writes.

[ARMITAGEIII]

will try ,but im speechless ,i also tried other nas os included xpenology and they all perform better and even truenas that uses zfs the copy curve is stable

no up and down every 3 seconds

Edited February 20 by ARMITAGEIII
typo

[ARMITAGEIII]

seems like the last update have some problems ,i was copying data and im unable to reboot the machine ,not with the button or the console

if this trends continue i will need to seek other distro ,i need stability...