To "hardware" RAID 5 or software RAID 5
David G. Miller
dave at davenjudy.org
Sun Dec 3 02:42:46 UTC 2006
Ubence Quevedo <r0d3nt at pacbell.net> wrote:
> Hi Everyone,
>
> I am redoing my system and have three 250GB hard drives that I was
> going to try and setup a raid 5 configuration with. My motherboard
> is a ASUS K8N4E-Deluxe with both nforce raid and silicon image raid.
> My question is, would it be best to go with either of the "hardware"
> raid solutions [I know it isn't truly hardware raid], or should I use
> Fedora's built in software raid for what I want to accomplish. I
> can't afford an LSI or 3Ware raid card, or else I wouldn't be posting
> this question.
>
> Has anyone had any problems/horror stories with these particular
> hardware raid solutions I have mentioned? On the other hand, has
> anyone had any particularly bad experience with the Fedora software
> raid?
>
> I haven't had a chance to look through the mailing list to see if
> anyone has asked a similar question, so please don't flame me!
>
> Thanx, and I look forward to your responses!
>
> -Ubence
To answer your question with a question, why do you want RAID? Are you
looking for a system that can reboot even with a failed drive, more
speed, or just security against hardware failure? I run Linux software
RAID-1 on my server and I can power down, pull a ribbon cable off of a
drive and then power up with no problems. Chances are the built-in RAID
will give you redundancy if that's all you need. It may or may not let
you autonomously boot with a failed drive.
Perhaps someone else can chime in as to whether the hardware RAID you
have is any faster than Linux software RAID.
Cheers,
Dave
--
Politics, n. Strife of interests masquerading as a contest of principles.
-- Ambrose Bierce
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