Re: the " 'official' point of view" expressed by regarding reiser4 inclusion

From: Gregory Maxwell
Date: Tue Aug 01 2006 - 13:03:05 EST

On 8/1/06, David Masover <ninja@xxxxxxxxxxxx> wrote:
Yikes. Undetected.

Wait, what? Disks, at least, would be protected by RAID. Are you
telling me RAID won't detect such an error?

Unless the disk ECC catches it raid won't know anything is wrong.

This is why ZFS offers block checksums... it can then try all the
permutations of raid regens to find a solution which gives the right

Every level of the system must be paranoid and take measure to avoid
corruption if the system is to avoid it... it's a tough problem. It
seems that the ZFS folks have addressed this challenge by building as
much of what is classically separate layers into one part.
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