Borked MD RAID...

Eitan Tsur eitan.tsur at gmail.com
Mon Dec 1 00:20:16 UTC 2008


Even if I remove that it still happens.

On Sun, Nov 30, 2008 at 3:53 PM, Lonni J Friedman <netllama at gmail.com>wrote:

> If you only have 3 disks, then you can't have:
> spares=1
>
>
>
> On Sun, Nov 30, 2008 at 3:11 PM, Eitan Tsur <eitan.tsur at gmail.com> wrote:
> >>
> >># mdadm.conf written out by anaconda
> >>DEVICE partitions
> >>MAILADDR root at localhost
> >>
> >>ARRAY /dev/md0 level=raid5 num-devices=3 spares=1
> >> UUID=0c21bf19:83747f05:70a4872d:90643876
> >
> > If I switch the "DEVICE partitions" with "DEVICE /dev/sdb1 /dev/sdc1
> > /dev/sdd1", drives no longer are allocated as spares, however the array
> > still seems to rebuild every boot.
> >
> > I don't remember the specifics of what was in /proc/mdstat at the time,
> but
> > currently the array is being rebuilt.  I'll reboot after it is complete
> to
> > give you a copy of it.  Basically it allocated the dropped drive as a
> spare
> > which I'd have to mdadm -stop and mdadm -add to the original array after
> > every boot, manually.  Give me an hour or two and I'll get you the output
> of
> > mdstat.
> >
> > On Sun, Nov 30, 2008 at 2:41 PM, Lonni J Friedman <netllama at gmail.com>
> > wrote:
> >>
> >> On Sun, Nov 30, 2008 at 2:38 PM, Eitan Tsur <eitan.tsur at gmail.com>
> wrote:
> >> > I just recently installed a 3-disk RAID5 array in a server of mine,
> >> > running
> >> > FC9. Upon reboot, one of the drives drops out, and is allocated as a
> >> > spare.
> >> > I suspect there is some sort of issue where DBUS re-arranges the
> >> > drive-to-device maps between boots, but I am not sure... Just kind of
> >> > annoying to have to stop and re-add a drive every boot, and wait the
> >> > couple
> >> > hours for the array to rebuild the 3rd disk. Any thoughts? Anyone else
> >> > encountered such an issue before? What should I be looking for? I'm
> new
> >> > to
> >> > the world of RAID, so any information you can give may be helpful.
> >>
> >> What's in /etc/mdadm.conf, /proc/mdstat and dmesg when this fails ?
> >>
>
>
> --
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> L. Friedman                                    netllama at gmail.com
> LlamaLand                       https://netllama.linux-sxs.org
>
> --
> fedora-list mailing list
> fedora-list at redhat.com
> To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
> Guidelines:
> http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listman.redhat.com/archives/fedora-list/attachments/20081130/cd130ba0/attachment-0001.htm>


More information about the fedora-list mailing list