[illumos-Discuss] md aka svm aka lvm

[Garrett D'Amore]

On Sun, 2010-08-29 at 16:20 +1000, Andre van Eyssen wrote:
> On Sat, 28 Aug 2010, Garrett D'Amore wrote:
> 
> > Do you use or need md/svm/lvm on illumos or OpenSolaris or similar?
> >
> > If so, why?
> >
> > I'm contemplating the idea that we don't need this baggage anymore,
> > given the existence of ZFS.
> >
> > Perhaps I'm missing some fundamentally crucial point.  If I am, please
> > tell me what it is.
> 
> Yes, we need to keep DiskSuite. It
> 
> * is used in preference to ZFS by some people
> * has a smaller memory footprint than ZFS
> * is used with Cluster for globally mounted filesystems
> * is widely deployed in existing environments 
> * is still used with SAM-FS (just ask dlg!)
> 
> Oh, I could go on and on. It should stay. ZFS is not a panacea.
> 


Ok, its good to understand.  So used with cluster and SAM-FS is really
the crucial reason here.  I *hope* people aren't using it with ufs.
Really.

	- Garrett