> ZFS recovers to a crash-consistent state, even without the slog,
> meaning it recovers to some state through which the filesystem passed
> in the seconds leading up to the crash.  This isn't what UFS or XFS
> do.
> 
> The on-disk log (slog or otherwise), if I understand right, can
> actually make the filesystem recover to a crash-INconsistent state (a

You're speaking the opposite of common sense.  If disabling the ZIL makes
the system faster *and* less prone to data corruption, please explain why we
don't all disable the ZIL?

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