Does upgrading a kernel automatically enable trim?
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Sheldon Ross
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Published on 2012-09-18T21:16:12Z
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2012/09/18
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Simple question, I have some servers that were running 10.04 that I upgraded to 12.04.
So they were installed using 10.04 (kernel 2.6.32* I believe) and the version of ext4 that shipped then.
By upgrading to 12.04 and the newer kernel, does that enable TRIM automatically? (Do I need to add 'discard' to the fstab?) Or do I need to do a clean install of 12.04 to get TRIM functionality on those drives.
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