dracut waiting for background mdadm reconstruction to complete

Jes Sorensen Jes.Sorensen at redhat.com
Thu Dec 1 09:20:13 UTC 2011

On 01/-10/37 20:59, Daniel Drake wrote:
> Hi,
> Just installing Fedora 16 on a new system. We set up a RAID1 with mdadm for /.
> On boot, we're finding that if there is a RAID inconsistency, dracut
> is waiting for mdadm reconstruction to complete before booting the
> system. This means that after a power outage or other condition that
> would cause a reconstruction to become necessary, we have to wait
> several hours for the system to come online again.
> My understanding is that this reconstruction is a background task, is
> there really a need for this to hold up boot?
> This behaviour comes from
> 0064-90mdraid-wait-for-md-devices-to-become-clean.patch in the
> dracut-013-19.fc16 package.

Haven't noticed that one here - however when reporting RAID issues,
please include details on the type of RAID you are using (regular Linux
mdadm RAID, IMSM (BIOS RAID) etc.).

Might be worth opening a BZ to track this.


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