[BlueOnyx:22298] Re: 5209R Software RAID 1 (ATA)

[Storer, Darren]

Hi Michael,

Thanks for the feedback.

After a number of attempts (including manually wiping the drives and
updating the server BIOS etc.) the build always ends up in RAID 0.

The problem might be related to using a pair of identical SATA drives that
are significantly larger than 2 Tbyte. Now I'm looking around for a RAID
controller, so the OS only sees one drive.

You are very welcome to login if you think that might be useful...

Regards

Darren



On 26 July 2018 at 19:49, Michael Stauber <mstauber at blueonyx.it> wrote:

> Hi Neal,
>
> > one of my customer just loaded a 5209 and it mirrored as expected
> >
> > [root at enterprise ~]# cat /proc/mdstat
> > Personalities : [raid1]
> > md0 : active raid1 sdb1[1] sda1[0]
> >       818176 blocks super 1.2 [2/2] [UU]
> >       bitmap: 0/1 pages [0KB], 65536KB chunk
> >
> > md1 : active raid1 sdb2[1] sda2[0]
> >       243246080 blocks super 1.2 [2/2] [UU]
> >       bitmap: 2/2 pages [8KB], 65536KB chunk
> >
> > unused devices: <none>
>
> Yeah, I just did a test install in a VM with two disks and that also set
> up RAID1 just fine.
>
> The thing here is that the kickstart script runs "list-hardrives" and we
> parse the result to check how many disks there are.
>
> Based on that it does different things. Two found disks should result in
> a RAID1 with an LVM on top.
>
> It would be interesting to know what "list-hardrives" reported on a box
> that had two drives, but didn't get RAID1.
>
> If you ever see this again? Please boot into rescue mode off the CD
> after the install and run "list-hardrives" and report back the findings.
>
> --
> With best regards
>
> Michael Stauber
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