multiple arrays and unmapped partitions
Lucas B. Cohen
mlilbc at free.fr
Wed Apr 30 22:16:43 UTC 2008
> Sent: mardi 29 avril 2008 11:07
> Hi Lucas,
> kpartx workaround works for you or not ?
Hello Heinz, thanks for reading,
kpartx works as well as the "dmraid -an isw_di && dmraid -ay isw_di" kludge
I mentioned. Is there an easier way than manually adding a call to either
one of them in the initrd scripts (my root partition is not being mapped)
> In order to be able to test this further, I'd need the partition
> table sector(s) in addition to the "dmraid -rD" output you provided.
You can find them at http://elmo.xzibition.com/~lbc/parttables.tar.gz
> On Sun, Apr 27, 2008 at 03:44:16PM +0200, Lucas B. Cohen wrote:
> > Hi,
> > Have there been significant changes or advances regarding the issue of
> > partitions not being mapped when more than one array is present in a
> > since Liviu Balan's message on the subject  last year?
> > With rc13 and rc14, depending on kernel version, either the first
> > or second array (2.6.22 and up) get "missed" in my system (Intel
> > Raid on Intel P35 with ICH9R).
> > Aside from Heinz's reply to  (suggesting a kpartx-based workaround),
> > noticed that deactivating the non-mapped array *only* before activating
> > allows the missing nodes to be created in /dev/mapper. (Something like
> > dmraid -an isw_di && dmraid -ay isw_di)
> > I imagine the "use kpartx instead of my own DOS metadata format handler"
> > item in rc14's TODO is relevant to this.
> > In case it can be of use, the output of "dmraid -rD" for my system is
> > accessible at .
> > Any insight is appreciated, as I'm having a hard time finding relevant
> > information on this problem elsewhere.
> > Regards,
> > Lucas Cohen
> >  http://www.redhat.com/archives/ataraid-list/2007-April/msg00009.html
> >  http://elmo.xzibition.com/~lbc/dmraid-metadata.tar.gz
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> Heinz Mauelshagen Red Hat GmbH
> Consulting Development Engineer Am Sonnenhang 11
> Storage Development 56242 Marienrachdorf
> Mauelshagen at RedHat.com PHONE +49 171 7803392
> FAX +49 2626 924446
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