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[Help] TOS fail during the file transfer
Posted: 18 Aug 2025, 05:30
by KikoWTI360
Hi to everyone,
I have a TM SSD 8 Plus with 8 x 4Tb Lexar LNQ-790 in JBOD. Whenever I attempt to back up our external SSD drives (primarily Sandisk Extreme 2Tb), the transfer usually gets stuck in the middle and fails.
When it happens, I lose access to the list of files that have already been transferred, and I have to reboot the NAS to regain full access.
Why does it happen? How can I solve it?
Thank you!
Re: [Help] TOS fail during the file transfer
Posted: 18 Aug 2025, 16:09
by CursaYang
KikoWTI360 wrote: ↑18 Aug 2025, 05:30
Hi to everyone,
I have a TM SSD 8 Plus with 8 x 4Tb Lexar LNQ-790 in JBOD. Whenever I attempt to back up our external SSD drives (primarily Sandisk Extreme 2Tb), the transfer usually gets stuck in the middle and fails.
When it happens, I lose access to the list of files that have already been transferred, and I have to reboot the NAS to regain full access.
Why does it happen? How can I solve it?
Thank you!
Whether the same issue occurs during internal file transfer on the NAS, or if the problem only happens when transferring from an external SSD to the NAS.
JBOD has no redundancy or checks, so if one of the drives fails, the entire array mount will hang.
Please monitor the device's temperature and system resource usage during the transfer process.
Re: [Help] TOS fail during the file transfer
Posted: 21 Aug 2025, 19:13
by KikoWTI360
Hi CursaYang,
And thank you for your reply!
The NAS status is okay during those transfers, and the issues occur during transfers from USB-C connected drives, or even over SBM transfers from the Mac to the NAS or vice versa.
Re: [Help] TOS fail during the file transfer
Posted: 21 Aug 2025, 23:55
by KikoWTI360
When everything is fine, the transfer goes, and the system is working at around 20% :
https://youtu.be/jAsSrJhTJ9k
When the issue occurs, the transfer is stuck, and the system is increasingly using resources:
https://youtu.be/c2d4ZWcYjjk
Please note at 03:25 of the second video that I'm trying to restart the copy but the system is completely blocked and using more and more resources.
Re: [Help] TOS fail during the file transfer
Posted: 22 Aug 2025, 18:45
by CursaYang
Please collect a system report and send it to our technical support email
[email protected] for further analysis.