Re: wedges on raidframe on wedges

[haad <haaaad%gmail.com@localhost>]

Hi,

On Mon, Mar 14, 2011 at 9:11 PM, Louis Guillaume <louis%zabrico.com@localhost> 
wrote:
> Hi,
>
> I have two 2TB drives. They need to be mirrored and cut up in to several
> chunks that can be exported via iSCSI and/or NFS. So my first inclination is
> to create 1 large wedge on each disk, RAID-1 them together with RaidFrame
> and then split up the raid using wedges.
>
> Now this is not that different, I guess, than disklabels on raidframe on
> disklabels. But it does bring up a few questions for me...
>
>  o Is there any benefit to creating wedges on raid0 vs. disk-
>    labeling it?
>
>  o Consider that the "partitions" on raid0 will be exported via
>    iSCSI. What "type" would I use in dkctl raid0 addwedge?
>
>  o Is there any advantage to sharing up the wedges (or partitions)
>    vs. creating a filesystem and sharing up sparse files? I can't
>    imagine the latter being better for performance!
>
>  o Any other pitfalls wrt wedges that I should be concerned about?
>

Maybe using LVM LV's as backend storage for those partitions
would be good idea too. It's fast and easily manageable with lvm
tools.


-- 


Regards.

Adam