Re: Nobarrier mount option (was: Re: File system robustness)

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Theodore Ts'o - 21.07.23, 15:35:26 CEST:
> > At least that is what I thought was the background for not doing the
> > "nobarrier" thing anymore: Let the storage below decide whether it
> > is safe to basically ignore cache flushes by answering them (almost)
> > immediately.
> 
> The problem is that the storage below (e.g., the HDD) has no idea that
> all of this redundancy exists.  Only the system adminsitrator who is
> configuring the file sysetm will know.  And if you are runninig a
> hyper-scale cloud system, this kind of custom made system will be
> much, MUCH, cheaper than buying a huge number of $$$ EMC storage
> arrays.

Okay, that is reasonable.

Thanks for explaining.

-- 
Martin





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