HDD Slowing Down in Laptop Caddy

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WorstCthulhuNa

Commendable
Jan 27, 2017
2
0
1,510
For the past few days my HDD (3 year old 1TB 5400 RPM Seagate Momentus ST1000LM024), which has been installed in a Nimitz HDD laptop caddy since MLK weekend, has been slowing down drastically and I’m not sure if it’s the HDD having problems or if it’s the connection that’s causing issues. I can access my files on it, Crystal Disk Info says that it’s in good health, and for the first few days the HDD averaged at roughly 90-100 mb/s for both read and write speed. Crystal disk did mention that the current pending sector count for the drive was 12 before I reformatted, but the numbers went away after fully reformatting and there are no entries in the reallocated sector count. Starting around the 22nd, write speed drops to roughly 3 mb/s while read speed fluctuates around 40-60 mb/s. Speeds will sometimes come back to 90-100 after restarting but drop again after just 1 or 2 hours. Any ideas what I could try to do or is the drive failing despite what the SMART data is saying? Here are the benchmarks for the disk (I tried embedding but for some reason it didn't work) http://imgur.com/a/wMllD
 
Solution
Boogieman_WD
Hi there.

Sounds like the drive might be failing especially if it showd that it had bad sectors even if has reallocated them already. The SMART data is not the most accurate way to diagnose the drive, so I'd suggest that you download the HDD manufacturer's diagnostic tool and run all the tests on the drive, to see what happens. If it fails them, you could get in touch with the vendor you got it from or the manufacturer's customer support and ask for a replacement, if the drive is still under warranty.

Hope that helps.
Boogieman_WD
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Boogieman_WD

Boogieman_WD

Judicious
Jul 31, 2014
6,050
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35,960
Hi there.

Sounds like the drive might be failing especially if it showd that it had bad sectors even if has reallocated them already. The SMART data is not the most accurate way to diagnose the drive, so I'd suggest that you download the HDD manufacturer's diagnostic tool and run all the tests on the drive, to see what happens. If it fails them, you could get in touch with the vendor you got it from or the manufacturer's customer support and ask for a replacement, if the drive is still under warranty.

Hope that helps.
Boogieman_WD
 
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Solution
W

WorstCthulhuNa

Commendable
Jan 27, 2017
2
0
1,510
Hi Boogieman,

I ran seatools and so far it passed the short drive self test, short generic, and long generic tests which I think is a bit strange because before reformatting, Seatools would say that the drive's serial number couldn't be detected and it would fail every test. I think I will try to run them again if the drive is having a slowdown and I'll definitely look into the warranty. So far though between the few days after I first posted about the drive and today, the drive has been running without any problems and maintaining its 90-100 mb/s speed during random benchmarks. I'm not sure what's going on but so far it's been consistent again in its performance.
 
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