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On 09/06/2009 02:21 PM, Maxim Wexler wrote: |
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> According to |
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> |
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> http://en.wikipedia.org/wiki/TRIM_%28SSD_command%29 |
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> |
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> trim has been implemented in the 28 kernel. Anybody know what the |
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> option is called? It ain't 'trim'. |
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First, thanks for the link, which led me to lwn.net. Those guys have |
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some serious talent and skills that I didn't know about before. |
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I found a post there from a year ago, saying this: |
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Part of the problem is that the ATA TRIM command isn't fully specified |
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yet, so we'll need to allocate a temporary command to test it. This |
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also means that no existing device on the market can take advantage of it. |
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Just by grepping through the linux kernel sources I can see that the |
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kernel automatically does a test to discover if the disk is a SSD, so |
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you don't need to do anything special to make the kernel do that. |
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How effective that is for extending the life of a SSD, I have no clue. |
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