SATA controllers

[Chan Chung Hang Christopher]

> I am sure that lvm, mdadm, dmraid will all be barrier-compatible
> sooner rather than later.

:-D. /me wonders when JFS will be barrier-compatible...


> 
> I will have to do some googling/reading about barriers (probably the
> next time that I have a slow night shift!). Other than understanding
> it and its uses and misuses more thoroughly, I would like to know why
> "mount" does not display the fact that a write barrier is enabled when
> mounting a partition with "defaults" even though "barrier=1"" is
> supposed to be set by default for ext4.
> 

Hmm, I wonder if that is an oversight...