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Re: tlug: Re: Making big ones out of little ones



On Fri, 21 Apr 2000, Austin Kurahone wrote:

> Two words:Software RAID
> (See http://linas.org/linux/Software-RAID/Software-RAID.html)
> 
> Don't know if the Debian installer supports this since I don't use
> Debian.  (Most likely you'll need to recompile your kernel to
> enable this and install the neccecary userspace tools.)
> 
> Contrary to what steve may say MD is a good thang for little people
> like me who can't afford big disks with kokka-yosan ;-) (Especially
> since this allows you to put those good old 540MB hard disks to good use/
> even 2 of the new IBM 20GB drives.)

Software RAID is perfectly acceptable.  Even a Sun E450 does software raid
amongst its internal drive arrays.  (You can get an external StorEdge
RAID5 array, but internally it's all software by default.  Yeah, I guess
you can get an internal RAID controller, too, but it's even more expensive
there than on x86).

What's the CPU requirement under Linux to (successfully) do a good
software RAID5?

--------------------------
Scott M. Stone, CCNA <sstone@example.com>
UNIX Systems and Network Engineer
Taos - The SysAdmin Company 

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