On 5-Oct-09, at 3:32 PM, Miles Nordin wrote:
"bm" == Brandon Mercer <yourcomputer...@gmail.com> writes:
I'm now starting to feel that I understand this issue,
and I didn't for quite a while. And that I understand the
risks better, and have a clearer idea of what the possible
fixes are. And I didn't before.
haha, yes, I think I can explain it to people when advocating ZFS, but
the story goes something like ``ZFS is serious business and pretty
useful, but it has some pretty hilarious problems that you wouldn't
expect
Let's talk about the "hilarious problems" that a naive RAID stack
has, and most users "don't expect". For a start, no crash safe
behaviour, and no way to self-heal from unexpected mirror desync.
Then we could compare always-consistent COW with conventionally
fragile metadata needing regular consistency checks...
from some of the blog hype you read. Let me give you a couple
examples of things that still aren't fixed
...and can't be fixed, in RAID, or conventional filesystems.
--Toby
and how the discussion
went...''
...
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