On 09.04.2010, at 15:32, Andriy Gapon wrote: > on 09/04/2010 14:27 Alexey Tarasov said the following: >>> Or the disk doesn't actually report 4096 anywhere anyhow... Have you >>> considered that? If yes, can you verify using any tools of any OS that the >>> disk reports 4K in any way? >> >> In the previous discussion we found that the disk reports 512 sector size, but >> there are additional ATA commands to determine if it has real sector size >> larger than 4k. I will try to confirm this. > > Thank you. I think that this would be an interesting detail. > Here is the reference: http://www.wdc.com/wdproducts/library/WhitePapers/ENG/2579-771430.pdf > References > The ATA8-ACS and SBC-3 standards have provisions for a disk drive to report Advanced Format sector sizes and other performance optimization information. These standards are used for SATA, SAS, USB, and IEEE 1394 based interface technologies. -- Alexey Tarasov (\__/) (='.'=) E[: | | | | :]З (")_(")Received on Fri Apr 09 2010 - 09:33:58 UTC
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