Plotting speeds
-
I picked up a couple 8TB WD external drives from Best Buy and am attempting my first "shucking" experiment. I got past the sata power cable issue and when I tried to plot the drive via sata 3 connector I was only getting around 40 mbs speeds. I turned optimize drives on, I even changed the policies to better performance in device manager for the drive and no change. I Started over and am plotting using usb 3.0 and am getting 75ish mbs through the mobo usb connector. Using turbo plotter 9000 v0.9.2 and Evga gtx 1070 gpu to plot. Any ideas?
-
@bender_702 Seagate Externals? They're SMR drives, and as such are horrible for direct plotting. You want a non-SMR drive to buffer to then write to the Seagate.
-
No they are WD white label drives. 256mb cache. They came out of the WD Easystores.
-
@bender_702 The WD White Labels are generally WD Reds - I use a ton of them and have never seen that bad performance.
-
Yeah not sure whats going on. Any ideas of things to try?
-
When you write to white labels what are your write speeds?
-
@bender_702 Upto around 140MB/s - but my setup is somewhat different, SAS2 HBAs rather than straight SATA
-
@Bender_702 if your using windows to plot with you can turn off drive caching in device manager accessible in control panel but I cannot guarantee it will improve. It did for me however. I have a WD 8TB MyBook.
-
@zapbuzz Tried that and nothing. I am getting ready to build a dedicated burst rig. So we shall see.
-
Is there any way to speed up the read time of the drives? I have my externals going in to a usb hub then into a usb pcie card that is installed in a 16 x slot. I am showing around 17% cpu usage on the reads. Using Blago miner.
-
@bender_702 Make sure it's USB 3.x on the port and hub, try and avoid hub - if you're looking at a lot of capacity, consider SAS, or at least highend USB cards like the sonnet with a dedicated USB controller per port.
-
It's all 3.0. I will look into the cards. You plug the external drives right into the hubs? No Hubs?
-
for the sake of novices reading this, usb 3 has blue tongue sockets usb 2 has black usb 1, and 1.1 are white. sometimes but rarely usb2 has white tongues in their sockets. Whats a tongue you may ask? look in the plug! lol. its a pity your having issues with those disks @Bender_702 good luck with your new rig.
