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Very slow sequential R/W speed

Posted: 22 Jun 2023, 19:48
by sybarix
If I move a large file from a NAS drive to a NAS drive via the TOS interface, it is fast.

If I move a large file from a NAS drive to a NAS drive via SMB (two mapped drives), it is fast (>100 MB/s).

If I move a large file from a NAS drive to a local SSD via SMB, it caps out at around 25 MB/s.

If I move a large file from a local SSD to a NAS drive via SMB, it caps out at around 18 MB/s.

All the above results are consistent across reboots.

Using F2-221 with TOS 5.1.37. Any ideas? Having around 20 MB/s R/W is very limiting.

Re: Very slow sequential R/W speed

Posted: 19 Jul 2023, 17:20
by sybarix
Thread closed, the issue was a failure of auxiliary hardware.