Subject: Re: VPS mailing list, BSD interest?
To: None <tech-kern@NetBSD.ORG>
From: Christos Zoulas <christos@deshaw.com>
List: tech-kern
Date: 10/03/1996 15:58:27
In article <199610011653.JAA01227@freefall.freebsd.org> gibbs@freefall.freebsd.org (Justin T. Gibbs) writes:
>
>Actually, I don't think it is.  CCD should be relying on information stored
>in a private area of the disk to determine what stripe sets what partitions
>belong to, etc.  This is how all of the industrial strength filesystem VM
>systems work.  When you open the partition, you see it has a CCD block 
>on it, and then pass it on to CCD informing it of the dev that the block
>came from.  The upside to this is that you can re-arange your disks (even
>put them on different controllers) and the system still finds your array
>and makes it work.  Having my root FS on a RAID 5 device makes it
>more robust than having it on a single disk. This is more than enough
>justification for allowing you to do this.
>

I am with you on that one. The reason we ditched a lot of vendors when we
were selecting our hardware RAID platform, is that they could not boot from
the RAID set.

christos