On Wednesday 23 March 2011 14:04:23 Mr. Jarry wrote: > On Wed, Mar 23, 2011 at 10:09 AM, Volker Armin Hemmann > > <volkerar...@googlemail.com> wrote: > > And if you don't care about barriers, jfs might be a good choice. > > Knowing nothing about "barriers" I tried to find some info and > came accross this article: > > http://searchenterpriselinux.techtarget.com/tip/Deciding-when-to-use-Linux-f > ile-system-barriers > > It says, barriers can not work with device mapper (raid, lvm). > If it is true (?) then because of having all partitions in raid1 (md), > I need not worry about barriers. Whatever filesystem I picked out, > I could not use barriers... > > Jarry
md raid devices can do barriers. Don't know about lvm. But lvm is such a can of worms I am surprised people still recommend it.
