TerraMaster Official Forum

This is a strange phenomenon. Please export a system report and send it to the support email.

To generate a system report:
TOS > help and support > report issue > generate report

Please find answers to your questions: 1. If your F5-221 is running TOS 5, then you can directly plug in your drives to F4-423, and reboot the device, your TNAS will work. 2. No, in TOS 5 you are not able to dedicate the specific disks for the system. 3. Yes, you can add Hyper cache for your volumes...

I'm sorry to tell you that the disk health monitoring tool in TOS 5 sometimes cannot accurately reflect the actual health condition of the disk. This function has been improved in TOS 6. Please try to use other tools to check the health condition of the disk. If you confirm that the disk is in good ...

Hope this can help: viewtopic.php?t=6093

Thank you for your feedback, we will add it to our list.

Mahrime wrote: ↑04 Feb 2024, 07:48

Will add it to our list.

MisterXY wrote: ↑05 Apr 2024, 02:35

As you can set the dedicted drive to be system drive, so In future TOS 6 releases, individual HDD sleep is possible, we have added it to our to do list.

We will optimize this issue in future TOS 6 releases.

versatilis wrote: ↑30 Apr 2024, 04:01

SMART error 188 Command Timeout is a critical parameter, If there are a lot of command timeouts on your disk and the number keeps rising, you should be alert.

No matter RAID 1 or RAID 5, the insertion of a faulty hard disk even if it fails to synchronize, it should not cause the entire array to fail. We haven't received any similar reports, and nothing like that has ever happened in our laboratory. However, if another hard disk malfunctions at this time, ...