[NTLUG:Discuss] lv striping

[Chris Cox]

MontyS at videopost.com wrote:
> 
> -----Original Message-----
> From: Chris Cox [mailto:cjcox at acm.org]
...
>>>Any ideas?
> 
> 
>>Setup an ordinary RAID0 md device and then pv->vg->lv.
>>You can have stripes as large as 4M with md.
> 
> 
> That's a good point.  This is getting a little off thread, but what is the
> speed and/or other differences between setting up a software RAID0 across
> two devices and doing the pv,vg,lv dance between two devices?  Well, I guess
> resizing would be nicer under LVM, or would it?

The lvm folks would tell you to use md.  The md device is just a pv...
resizing is resizing once lv's are there... underlying device doesn't
really matter.  You can even mix and match... but you can also create
quite a mess :-)