this post was submitted on 13 Sep 2023
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That is very slow, unless the drive is connected over USB or failing or something, a drive of that capacity should easily be able to handle sequential writes much faster than that. How is the drive connected, and is it SMR?
It's connected over USB 3, it's SMR
If it's SMR garbage, this looks normal.
correct me if I'm wrong but just overwriting the whole disk it wouldn't make a difference if it is SMR. SMR is only slower if you want to overwrite something kn the middle of it because it then needs to change and re write adjacent tracks.
I don't know what the firmware is doing here (it's device-managed SMR) but the write speed penalty also occurs for sequential writes in all DM-SMR drives I've seen measured.