RAID VFS Module SoC Project - Requirements Doc

Ming Wong mingwong111 at
Thu Jun 1 00:30:43 GMT 2006

On 01/06/06, Ming Wong <mingwong111 at> wrote:
> Hi Peter,
> Everytime I read about this RAID vfs module I wonder: What is the use
> > case? If you need RAID functionality: use a real RAID - either HW or SW.
> >
> > What am I missing?
> The good thing about this project is, repartitioning of the existing disks
> is not required. You can simply use the particular paths/directories to
> simulate a raid environment.
> System admin can enable/disable data redundancy anytime easily at his/her
> own discretion through the samba configuration. Also, swapping between
> disks, which sets a particular disk to be the primary disk, can be done with
> minimum effort.
> So why bother setting up a SW RAID (more work), when all you need to do
> is, create a share on samba whilst having a redundant mechanism in place.
> :-)
> cheers,
> Ming

One thing I'd like to add is, I should admit that HW RAID is portable whilst
SW is extremely non-portable.

But with the implementation happening here, it has no concept of O/S
specific partitioning issues. So this RAID vfs module is going to be


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