On 04/07/10 09:19, Bob Friesenhahn wrote:
On Wed, 7 Apr 2010, Robert Milkowski wrote:
it is only read at boot if there are uncomitted data on it - during
normal reboots zfs won't read data from slog.
How does zfs know if there is uncomitted data on the slog device
without reading it? The minimal read would be quite small, but it
seems that a read is still required.
Bob
If there's ever been synchronous activity then there an empty tail block
("stubby") that
will be read even after a clean shutdown.
Neil.
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