[illumos-Developer] [Review] 883 ZIL reuse during remount can lead to data corruption

[Bill Sommerfeld]

On 05/29/11 06:38, Eric Schrock wrote:
> Thorough description of the problem in the bug report:
>
> https://www.illumos.org/issues/883

Quoting from bug report:
 > Once this happens, the pool is corrupted and won't be openable. It is
 > theoretically possible to rebuild the spacemap after this happens
 > (collapsing overlapping records) to repair such pools, but this is a
 > non-trivial fix.

ouch.

is it possible to hit this by accident?  is there anything that someone 
running without this fix can do, or avoid doing, to make it impossible 
to hit this?

					- Bill