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    SubjectRe: Hyper-Threading Vulnerability
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    > > They turned it off by default, which according to disk vendors
    > > lowers the MTBF of your disk to a fraction of the original value.
    > >
    > > I bet the total amount of valuable data lost for FreeBSD users because
    > > of broken disks is much much bigger than what they gained from not losing
    > > in the rather hard to hit power off cases.
    >
    > Aren't I/O barriers a way to safely use write cache?

    yes they are. However of course they also decrease the mtbf somewhat,
    although less so than entirely disabling the cache....


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