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Re: [Xen-users] Cheap IOMMU hardware and ECC support importance

Kuba <kuba.0000@xxxxx> writes:

> Each time data is read from the disk, it is checksummed and the
> checksum is compared with the value stored with the data. This way you
> know whether data you just read is good or not, not just that it had
> been written correctly. Take a look here for example, slides 12-16:
> http://wiki.illumos.org/download/attachments/1146951/zfs_last.pdf
> It's a little bit outdated and Solaris-centric, but might give you
> some overview.

Still very interesting, thanks :)  I think I should learn more about
it.  Does it still need fuse, and can you boot from it?

Knowledge is volatile and fluid.  Software is power.

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