Re: Intel ICH9R Raid5 supported?

"Daniel Guzmán" <[email protected]>
Newsgroups gmane.linux.ataraid
Message-ID <[email protected]>
Eric, thank you, that is what I wanted to know.

I am using 4 brand new disks, so I do not plan on rebuilding for a time (I
hope so!).
Even in case of disk failure, is rebuild possible via Intel BIOS Utility??

Regards,
Daniel

2008/1/28, Hall, Eric R <[email protected]>:
>
> Daniel -
>
> Keep in mind that dm-raid4-5 is still considered 'experimental.'
>
> Raid5 would work fine in a home environment as long as you do not plan on
> rebuilding after a failure [at the moment].  Since the dm-raid4-5 patch is
> still considered experimental, you should weight your risks of data loss.
>
> I have tested Heinz's dm-raid4-5 patch on several ICH systems and have had
> good success with it; even after pulling a drive out to simulate a
> failure.  If a failure would occur, you would have the opportunity to
> back-up the data before the set completely failed.
>
> Raid5 rebuild functionality isn't quite here yet.  But it will
> be!  Everyone is still working hard to update dmraid to rebuild failed sets.
>
> - Eric
>
>
> >-----Original Message-----
> >From: [email protected] [mailto:ataraid-list-
> >[email protected]] On Behalf Of Daniel Guzmán
> >Sent: Monday, January 28, 2008 9:47 AM
> >To: ATARAID
> >Subject: Re: Intel ICH9R Raid5 supported?
> >
> >Brian, thank you very much for your response.
> >
> >Since this patch is Alpha (experimental) software, how reliable is it for
> a
> >home environment?
> >Is development status enough for being reasonably safe from data lost?
> >Regards.
> >
> >
> >2008/1/27, Wood, Brian J <[email protected]>:
> >
> >       Raid 5 is supported, but not in the base kernel as of yet (it's
> still
> >experimental). You'll have to get the patch from Heinz Mauelshagen's
> >website (http://people.redhat.com/heinzm/) and rebuild the kernel. Then
> you
> >will be able to activate your raid 5 volume's.
> >
> >
> >
> >
> >
> >
> >
> >________________________________
> >
> >
> >       From: [email protected] [mailto:ataraid-list-
> >[email protected]] On Behalf Of Daniel Guzmán
> >       Sent: Sunday, January 27, 2008 9:55 AM
> >       To: [email protected]
> >       Subject: Intel ICH9R Raid5 supported?
> >
> >
> >
> >       Chipsets: Intel P35 and ICH9R
> >       Disks: 4x320 GB
> >       Arrays: 1xRAID5 with 4 disks, 1xRAID0 with 4 disks
> >       dmraid: dmraid 1.0.0.rc13-2ubuntu5 (Kubuntu 7.10 package)
> >
> >       Issue: My RAID0 is visible, but RAID5 not. Is ICH9R RAID5
> supported?
> >
> >       I can not find any confirmation about that issue neither in the
> >README, nor the CHANGELOG, nor TODO file, nor mailing-list, etc.
> >
> >       If not supported, will be supported in future?
> >
> >       Thanks.
> >
> >
> >
>
>
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