Slow raid Performance on QNAP TS-h686

[f.giraud]

hello, i'm using a QNAP TS-h686
CPU Intel(R) Xeon(R) CPU D-1602 @ 2.50GHz (2 core, 4 thread)
total memory 128 GB (126 GB free)
firmware h4.5.3.1670 Build 20210515

with a qnap 10 gbe network connected direct with macbook pro with 10 gbe thunderbolt to baseT network .
I'have slow performance on HDD Raid ( better but not well on SSD) i think is a NAS issue

NAS_HOST 1 /dev/nvme0n1 2.07 GB/s SSD:data 931.51 GB M.2 SSD 1 QNAP FLEX 5 NVMe CT1000P5SSD8
NAS_HOST 2 /dev/nvme1n1 1.89 GB/s SSD:data 931.51 GB M.2 SSD 2 QNAP FLEX 5 NVMe CT1000P5SSD8
NAS_HOST 3 /dev/sda 532.77 MB/s SSD:cache 931.51 GB SSD 1 QNAP FLEX 6 Crucial CT1000BX500SSD1
NAS_HOST 4 /dev/sdb 532.04 MB/s SSD:cache 931.51 GB SSD 2 QNAP FLEX 6 Crucial CT1000BX500SSD1
NAS_HOST 5 /dev/sdc 19.91 MB/s HDD:data 5.46 TB Disk 1 QNAP FLEX 5 WDC WD60EFAX-68JH4N1
NAS_HOST 6 /dev/sdd 26.07 MB/s HDD:data 5.46 TB Disk 2 QNAP FLEX 5 WDC WD60EFAX-68JH4N0
NAS_HOST 7 /dev/sde 19.25 MB/s HDD:data 5.46 TB Disk 3 QNAP FLEX 5 WDC WD60EFAX-68JH4N1
NAS_HOST 8 /dev/sdf 19.41 MB/s HDD:data 5.46 TB Disk 4 QNAP FLEX 5 WDC WD60EFAX-68JH4N1



Can someone help me ?
thanks !!!

[holger_kuehn]

Think those WD RED are SMR drives. As far as I could find in a short search drive up to 6 TB used SMR in the EFAX series. Maybe you should replace them.

Can anyone here confirm my findings? Will try to find the thread and link later ....

[OneCD]

Yes, 6TB EFAX are SMR, so these shouldn't be used as RAID members.