New TRIM feature in 10.10.4 tested by MACNN...

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nk_e
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New TRIM feature in 10.10.4 tested by MACNN...

Post by nk_e »

They have been performing a fairly controlled and thorough test of the TRIM implementation specifically with the Samsung drives.
Conclusions

We've now moved 800TB of data on and off each drive, across two separate firmwares per drive. For "normal" installations, that's right around eight years of extremely heavy system and application drive use. We are seeing some fairly significant cell failure quantities, but as the drives are over-provisioned, or more flash cells than required in the drive to hit the advertised capacity, so we're still at 100 percent storage capacity. The drives are still usable, but given how hard we've hit the drives, in an abundance of caution, we aren't going to use them for anything mission-critical anymore

So, we're not seeing any problems, and we've put years of use on the entire line in just a few weeks. We theorize that most of the complaints about drive corruption on the Linux side of the fence is more about queued Trim, which is not implemented in OS X. This isn't a guarantee, as it is a heavily time-compressed test, but we here at MacNN feel safe about using the highly regarded Samsung offerings without qualm.
Read more on methodology and limitations on the test here:

http://www.macnn.com/articles/15/07/24/ ... z3gtsy4jUi

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Phil O
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Re: New TRIM feature in 10.10.4 tested by MACNN...

Post by Phil O »

Thanks for the info! Great post.

Phil
DP 11.23, 2020 M1 Mac Mini [9,1] (16 Gig RAM), Mac Pro 3GHz 8 core [6,1] (16 Gig RAM), OS 14.3.1/11.6.2, Lynx Aurora (n) 8tb, MOTU 8pre-es, MOTU M6, MOTU 828, Apogee Rosetta 800, UAD-2 Satellite, a truckload of outboard gear and plug-ins, and a partridge in a pear tree.
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