:: Re: [DNG] /usr to merge or not to m…
Kezdőlap
Delete this message
Reply to this message
Szerző: Alessandro Selli
Dátum:  
Címzett: dng
Tárgy: Re: [DNG] /usr to merge or not to merge... that is the question
On 22/11/18 at 22:31, Martin Steigerwald wrote:
> barrier related mount options are deprecated, well even removed at least
> for XFS, deprecated in 4.10 and and removed in 4.19¹. Write barriers
> have been replaced by explicit cache flushes² (somewhere around 2.6.39…
> I am too lazy to look it up in my Linux Performance tuning and analysis
> training slides right now).



  To bad I can't take advantage of them because of this:

[    1.031094] sd 0:0:0:0: [sda] Write cache: enabled, read cache:
enabled, doesn't support DPO or FUA

> But with kernels still supporting the mount
> option, nobarrier or barrier=0 would have been simply dangerous for data
> integrity unless you have made sure that no sudden write interruption by
> for example power loss can happen.



  I use them on battery-backed systems.


  Bye,




--
Alessandro Selli <alessandroselli@???>
VOIP SIP: dhatarattha@???
Chiave firma e cifratura PGP/GPG signing and encoding key:
BA651E4050DDFC31E17384BABCE7BD1A1B0DF2AE