В Sat, 9 Mar 2013 11:23:36 +0100
todd rme
On Sat, Mar 9, 2013 at 11:07 AM, Andrey Borzenkov
wrote: В Sat, 9 Mar 2013 09:54:13 +0100 todd rme
пишет: On Sat, Mar 9, 2013 at 7:55 AM, Koenraad Lelong
wrote: Hi,
I just got a new laptop. It seems to contain a "flash cache" device. That is a SSD drive to cache disk-IO, so my googling tells me. I didn't find if linux really supports this, although I saw something about servers. Anyone has more information ? Will OS12.2/12.3 support this out of the box, or do I need to tweek ?
Regards,
Koenraad Lelong.
If you are talking about what I think you are talking about then no, Linux does not support it, and never will. Linus has flat-out said he thinks it is bad technology.
It would be helpful if you a) explained what you think OP was talking about and b) gave link to Linus statement.
OK, thank you. Yes, this is not supported by Linux today.
Intel Turbo Memory is a technology introduced by Intel Corporation that uses NAND flash memory modules to reduce the time it takes for a computer to power up, access programs, and write data to the hard drive.
I am frankly shocked that new laptops have it, I thought they gave up on the idea years ago.
All enterprise class storage today offers SSD caching as primary means to increase performance without requiring insane number of spindles. I am interested who are "they" you refer to.
from the above article: A review in AnandTech largely concurred with some OEM criticism finding that "it basically does nothing for the user experience".[9] HP refused to use the technology.[10] Ars Technica wrote in 2009 that Turbo Memory "never took off",[11] and CNET similarly pronounced that it was "never widely adopted",[12] because "Turbo Memory (and Turbo Memory 2.0) wasn't cheap, and it definitely wasn't worth the cost."[13]
In 2009 Intel had announced the successor to Turbo Memory for the 5-Series mobile chipsets, codename Braidwood. However, the series was launched without this technology. In 2011, The Register wrote "I think we can say Braidwood has sunk without trace."[14]
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