On Thursday, October 19, 2017, Alan McKinnon <[email protected]>
wrote:

> On 19/10/2017 01:12, Anselm Lingnau wrote:
> >> I'm not sure I agree that xfs is worth a mention. If you need what it
> >> can do, it's awesome, but it always seemed to me a specialized fs
> >> outside of the normal and routine. Or maybe I just move in the wrong
> >> circles.
> > These days, XFS is a Red Hat thing in the way that btrfs is a SUSE
> thing. I
> > suppose that if you're running with Red Hat people, XFS will be more
> important
> > than btrfs and vice-versa.
>
>
> Lemme check something. By XFS, do we mean the very aggressively cached
> filesystem with a long history originally developed by SGI for IRIX? Or
> something else?


The Linux/x86-64 implementation of XFS by SGI did not include many
facilities, including DMAPI and hardware integration with NVRAM, like
Irix/MIPS64 was known for.  There were also many things changed in the
early codebases.

E.g., SGI's XFS pre-1.0 release (circa 2001) was known for being unreliable
with /var file systems.  I ran into this myself, and it was corrected.

Red Hat did not adopt XFS until 2009, and only as an add-on, not the
default.  Red Hat also employeed several, former SGI developers since.

Red Hat changed to XFS being the default mid-3.0 series kernel releases by
2014.  So it is the default in RHEL7+ for local file systems.

- bjs


-- 

-- 
Bryan J Smith  -  http://www.linkedin.com/in/bjsmith
E-mail:  b.j.smith at ieee.org  or  me at bjsmith.me
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