Re: Is ext4 safe for a production server?

[John R Pierce <pierce@xxxxxxxxxxxx>]

Jure Pečar wrote:
> AFAIK AIX JFS != Linux JFS. It's more like OS/2 JFS and IBM
> ported it to linux to enable their os/2 customers to move to linux.
>   

that same OS/2 JFS was backported to AIX as JFS2, I believe.


> Also whenever fs reliability discussion pops up I like to point people to
> this paper: http://www.cs.wisc.edu/wind/Publications/iron-sosp05.pdf
>   

interesting, but that article is 5 years old.   I'd be surprised if most 
of the implementation 'bugs' and anomalies discussed have not since been 
addressed.

I do wish more file systems and volume managers implemented block 
checksumming, which provides end to end integrity both for data and 
metadata.  Afaik, only Sun's ZFS fully implements this approach.



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