Re: XFS and nobarrier with SSDs

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On 2015-12-14 11:27, Christoph Hellwig wrote:
> On Mon, Dec 14, 2015 at 10:18:54AM +0000, Georg Sch?nberger wrote:
>>> Or to phrase it
>>> differently:  If nobarrier makes a difference skipping it is not safe.
>> I do not fully understand that sentence, what do you mean by "makes a
>> difference" and "skipping is not safe"?
> The rule of thumb is: if nobarrier makes your workload run faster you
> should not be using it, aka: don't use it.
OK, thanks for clarification.
Should the XFS FAQ be updated?
*http://xfs.org/index.php/XFS_FAQ#Q._Should_barriers_be_enabled_with_storage_which_has_a_persistent_write_cache.3F
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