Mailinglist Archive: opensuse (3261 mails)

[Alex Daniloff <alex@xxxxxxxxxxxx>]

Hello Cees,

On Sunday 15 April 2001 03:50 am, Cees van de Griend wrote:
> On Sat, Apr 14, 2001 at 08:55:22AM -0700, Alex Daniloff wrote:
> > Linux of course should see one hard drive but at capacity of combined
> > two. If I set up HW raid0 of two 20GB identical  IDE hard drives Linux
> > should see just one big 40GB hard drive. In my case it sees one 20GB hard
> > drive. So I'm wonder how to correct this issue.
> > Thanks for any thoughts.
>
> I just looked up the raid levels:
>
> RAID 0 - reads and writes are done in parallel for performance increase

In this case it still should be just a one 40GB hard drive (20GB + 20GB) not 
just 20GB.


> RAID 1 - mirrors disks for redundancy and performance increase
> RAID 5 - build large disks and redundancy information
>

RAID1 and RAID 5 are not applicable in my case.


> So, it looks like Linux is right (as usual <grin>).

In my case I doubt it.
Regards.
Alex

>
> N.B. at RAID 5, the parity information is distributed between all the
> disks, so you have to substact the size of a disk from the total size.
>
> It looks to me lvm - Logical Volume Manager - is more what you want.
> This creates a virtual disk and is a software sollution.
>
> Regards,
> Cees.

-- 
MS Windows users should be covered under the Americans with Disabilities Act! 
-------------->   Try Linux and you'll understand why   <--------------