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    SubjectRe: New filesystem for Linux

    > >>>As my PhD thesis, I am designing and writing a filesystem,
    > >>>and it's now in a state that it can be released. You can
    > >>>download it from
    > >>
    > >>"Disk that can atomically write one sector (512 bytes) so that
    > >>the sector contains either old or new content in case of crash."
    > >
    > >New drives will soon use 4096-byte sectors. This is a better
    > >match for the normal (non-VAX!) page size and reduces overhead.
    > The drive (IDE model, SCSI can have larger sector size) will do
    > read-modify-write for smaller writes. So there should be no compatibility
    > issues. (this possibility is in new ATA standard and there is a way how to

    Actually, there are. If you assume powerfail can only destroy 512
    bytes... read-modify-write of 4K is going to destroy your "only 512
    bytes destroyed" assumption...
    (cesky, pictures)
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      Last update: 2006-11-05 22:53    [W:0.020 / U:34.820 seconds]
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