Mailinglist Archive: opensuse (1695 mails)

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Re: [opensuse] 10.2 no RAID to 11.0 RAID 1
  • From: "Greg Freemyer" <greg.freemyer@xxxxxxxxx>
  • Date: Mon, 22 Sep 2008 12:38:28 -0400
  • Message-id: <87f94c370809220938g9cfd5c0hed02d23768152fb0@xxxxxxxxxxxxxx>
On 9/22/08, Andrew Joakimsen <joakimsen@xxxxxxxxx> wrote:
On Mon, Sep 22, 2008 at 5:52 AM, Rui Santos <rsantos@xxxxxxxxxxxxx> wrote:
> 3) Interoperability. With most Intel's chipsets you can hotplug your
> HD's. Just use the mdadm tool to remove the HD from the array, remove
> the HD, add a new one and rebuild your array. You can do this while your
> machine is in production mode. I believe you are unable to do that with
> a mobo pseudo-raid ?

You forgot to mention that mdadm is CRAP. I will de-sync the array for
no reason and there is no way to force a rebuild. You will end up
having to rebuild the array. Raid 0 & 5 will suffer full data loss.

Also, the md RAID webpage *REALLY* instills confidence:
http://cgi.cse.unsw.edu.au/~neilb/SoftRaid

That page is 4 years out of date, so maybe a current page will give
you a little more confidence?

http://linux-raid.osdl.org/index.php/Main_Page

Note that it hosted by OSDL which gives me some confidence in and of
itself, but I admit to using 3ware cards for my raid needs.

FYI: Neil Brown (the md maintainer) is a well known kernel developer.

Greg
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