[Pc_Support] Re: WinXP 64-Bit Software Raid Setup Howto? -- How Linux DeviceMapper handles FRAID ...

[Jason Boxman]

On Sunday 27 August 2006 23:32, Bryan J. Smith wrote:
<snip>
> #1 is still commonly used for Linux Software RAID, but _not_ with
> FRAID cards.  Atop of basic BIOS/DOS Disk Labels, you'll have the
> same problems as NT 4.0 did -- "sudden loss" of the volume/boot-time
> issues.  Why?  Because there is no reservation of parts of the disk
> for meta-data -- although at least the newer mdadm tools can
> "re-scan" and find MD volumes (although that doesn't help you at
> boot-time ;-).  Putting MD volumes in LVM (2.4) and LVM2 (2.6) disk
> labels solves the latter problem, just like Logical Disk Manager
> (LDM) Disk Labels (Dynamic Discs) is now Microsoft does in NT 5.0
> (2000+).

You speak of this often, but I don't understand.  I haven't personally 
experienced lost MD volumes, so I don't understand how that will happen to 
me?

Thanks.

-- 

Jason Boxman
http://edseek.com/ - Linux and FOSS stuff