this post was submitted on 18 Oct 2024
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[–] [email protected] 21 points 4 weeks ago (18 children)

If you eyeballing these, please remind that these babies tend to be LOUD AS FUCK, so might not be suitable for home server use.

[–] [email protected] 12 points 4 weeks ago* (last edited 4 weeks ago) (10 children)

Are they any louder than any HDD from the last 30 years?

If so, im actually curious why that is

Edit: fixed to say HDD not SSD

[–] [email protected] 7 points 4 weeks ago* (last edited 4 weeks ago) (2 children)

Oops, yes. I definitely would expect these to be much louder than your 6 GB 1998 model HDD wrangling under stress of copying files at 30 MB/s.

[–] [email protected] 4 points 3 weeks ago (1 children)

Tell that to my IBM 10GB 10.000 RPM U2W SCSI from back then. To this day I have never witnessed a noisier harddrive... But that PC was pretty epic, including the biggest mf of a mainboard I ever had (the SCSI controller was onboard).

[–] [email protected] 3 points 3 weeks ago

Ah, the sound of turning on the SCSI storage tower.

KA-TSCHONK. WeeeeeeeeEEEEEIIIIIII... skrrrt, skrrrt, clack.

Either that or KA-TSCHONK, silence, if there were already too many boxes on that circuit at a lan party 😁

[–] [email protected] 1 points 3 weeks ago (1 children)

Your everyday modern HDD does not much more than 60MB/s after the on-disk cache (a few GB) is full.

[–] [email protected] 1 points 3 weeks ago (1 children)

not sure what you're on about, i have some cheap 500GB USB 3 drives from like 2016 lying around and even those can happily deal with sustained writes over 130MB/s.

[–] [email protected] 2 points 3 weeks ago (1 children)

When the cache isn't full, yes, that's true. Copy a file that's significantly bigger than cache and performance will drop part way through.

[–] [email protected] 1 points 3 weeks ago* (last edited 3 weeks ago)

You've made me uncertain if I've somehow never noticed this before, so I gave it a shot. I've been dd-ing /dev/random onto one of those drives for the last 20 minutes and the transfer rate has only dropped by about 4MB/s since I started, which is about the kind of slowdown I would expect as the drive head gets closer to the center of the platter.

EDIT: I've now been doing 1.2GB/s onto an 8 drive RAID0 (8x 600GB 15k SAS Seagates) for over 10 minutes with no noticable slowdown. That comes out to 150MB/s per drive, and these drives are from 2014 or 2015. If you're only getting 60MB/s on a modern non-SMR HDD, especially something as dense as an 18TB drive, you've either configured something wrong or your hardware is broken.

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