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Slow Parity Check with slow Disk?

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Noticed a couple days ago that parity check was much slower than usual.  I did some research and found out about the disk speed docker.  I've run it a few times and it continually shows Disk 2 is much slower than the rest.  I've run a SMART test on that disk and it tested OK.  I looked through the logs and don't see any obvious errors that show me where the trouble is.  Does this mean that disk is faulty or is there some other cause I'm unaware of?  Disk is only a few weeks old so I'm wondering if I should be asking for replacement.  I've attached images of the speed test as well as the SMART test and Diagnostics.  

 

One thing to note is that on one of the speed tests I did the graph jumped up at the end so it was the same speed as the other disks.  However, when I ran the test again it was back down to the same speed.

 

Also would rTorrent running at the same time I do the speed check affect the performance of the test?

drive speed.jpg

Drive Speed 2.jpg

tower-smart-20220502-1421.zip tower-diagnostics-20220502-1539.zip

Edited by go69cars

Solved by JorgeB

  • Community Expert
  • Solution

Make sure nothing is accessing the disk during the diskspeed test (or parity check), and if it's still slow it's the disk.

  • Author

That was the issue.  Transmission had just restarted and was verifying a bunch of torrents so was doing constant reads from that disk.  I did the speed test again after it was finished and all were normal.  Thank You

 

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