Re: More on vinum woes

[Jake Maciejewski <maciejej@xxxxxxxx>]

On Tue, 2005-09-13 at 17:47 +0100, Hiten Pandya wrote:
> Dave Hayes wrote:
> > Since you are personally using this solution, I'm thinking I could do
> > a lot worse. I need reliability more than anything (which is why I've
> > gone DragonFly). The way vinum is behaving, maybe I should try this
> > strategy and see how it works? 
> 
> I have never was able to set my trust on Vinum, given the number of bug 
> reports that riddle it in the FreeBSD GNATS database.  It was written in 
> good faith, but it is somewhat unwantedly complex.
> 
> At some point, I would like to spend my time in an effort to writing a new 
> volume manager, for DragonFly.  The new volume manager will take into 
> account the then stable features such as VFS transactions, IO scheduling 
> and direct-to-DMA facilities.  It is not something I have fully thought 
> out but it will be in the pipeline for the coming year or next.

Would porting Solaris ZFS be easier than writing a new volume manager?
Even if porting ZFS would be more difficult, there would be some
advantages.

It hasn't been released yet, but from what I can tell, ZFS will be a
128-bit, atomic, checksumming filesystem with an integrated volume
manager.

See http://www.sun.com/2004-0914/feature/ for basics.

> For now, it might be better to go with a hardware RAID solution, such as 
> 3ware controllers.
> 
> 				Hiten Pandya
> 				hmp@xxxxxxxxxxxxx
-- 
Jake Maciejewski <maciejej@xxxxxxxx>