this post was submitted on 04 Dec 2023
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Data Hoarder

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Badblocks'ing a set of 8 drives, one drive is slower then the other seven. Is this an issue? (alien.top)
submitted 9 months ago by [email protected] to c/[email protected]
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Howdy. So I'm in the process of building a new pool for my NAS. I have eight 18tb drives that I've burnin with Spearfoot's disk-burnin-and-testing script from GitHub. Everything has been going smooth so far at 65 hours in. I do have one possible issue however, one of the drives is testing at a slower rate then the others.

​

90.82% done, 65:24:36 elapsed. (0/0/0 errors) 95.90% done, 65:24:51 elapsed. (0/0/0 errors) 88.11% done, 65:24:43 elapsed. (0/0/0 errors) 53.61% done, 65:24:35 elapsed. (0/0/0 errors)
88.58% done, 65:24:38 elapsed. (0/0/0 errors) 89.32% done, 65:24:49 elapsed. (0/0/0 errors) 88.89% done, 65:24:46 elapsed. (0/0/0 errors) 94.82% done, 65:24:37 elapsed. (0/0/0 errors)

​

So these look good so far, the majority of the drives which are chugging along within + or - 5% of one another. While that top right drive that has fallen behind and is now -40% behind its peers and it continues to slowly fall away from the pack.

So my question is does this drive have an issue where its running at a slower speed to its peers or is this nothing to worry about? Once the burnin has finished I was thinking I would speed test each drive and see if anything shows up.

Any ideas or comments?

Thanks all.

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[–] [email protected] 1 points 9 months ago

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