Re: xfs file system corruption

[Andi Kleen <andi@xxxxxxxxxxxxxx>]

Allan Haywood <Allan.Haywood@xxxxxxxxxxxxx> writes:
>
>         Would reloading the xfs module work also, to clear any pending
>         writes (if I could get it to a point where modprobe -r xfs
>         would work)? Although I am doubting that if there are pending
>         writes that it would be easy to get xfs to unload.

Linux doesn't have IO cancel and it's hard to stop everything
in the IO stack, so the usual way is to fence it at a high level
and then wait for all pending IO. But that might take a long time.

That is why most HA setups use hard stonith, as in power switch.

-Andi
-- 
ak@xxxxxxxxxxxxxxx