Re: unable to assemble (mostly?) clean array

[NeilBrown <neilb@suse.de>]

[-- Attachment #1: Type: text/plain, Size: 2225 bytes --]

On Sun, 8 Dec 2013 17:08:19 -0800 Christopher Hoover <ch@murgatroid.com>
wrote:

> ch@snaggle:~$ sudo mdadm --assemble --verbose  --force /dev/md0  /dev/sd[defg]1
> mdadm: looking for devices for /dev/md0
> mdadm: /dev/sdd1 is identified as a member of /dev/md0, slot 4.
> mdadm: /dev/sde1 is identified as a member of /dev/md0, slot 1.
> mdadm: /dev/sdf1 is identified as a member of /dev/md0, slot 2.
> mdadm: /dev/sdg1 is identified as a member of /dev/md0, slot 5.
> mdadm: ignoring /dev/sde1 as it reports /dev/sdd1 as failed
> mdadm: ignoring /dev/sdf1 as it reports /dev/sdd1 as failed
> mdadm: no uptodate device for slot 0 of /dev/md0
> mdadm: no uptodate device for slot 1 of /dev/md0
> mdadm: no uptodate device for slot 2 of /dev/md0
> mdadm: no uptodate device for slot 3 of /dev/md0
> mdadm: added /dev/sdg1 to /dev/md0 as 5
> mdadm: added /dev/sdd1 to /dev/md0 as 4
> mdadm: /dev/md0 assembled from 0 drives and 2 spares - not enough to
> start the array.
> ch@snaggle:~$

Thanks.

I recognise this bug now.  You are running mdadm-3.2.something - correct?
You need 3.3.
Just grab the latest:

 cd /tmp;git clone git://neil.brown.name/mdadm ; cd mdadm ; make ; ./mdadm  -Avf /dev/md0 /dev/sd[defg]1

NeilBrown


> 
> On Sun, Dec 8, 2013 at 5:02 PM, NeilBrown <neilb@suse.de> wrote:
> > On Sun, 8 Dec 2013 16:32:22 -0800 Christopher Hoover <ch@murgatroid.com>
> > wrote:
> >
> >> yes, thanks, typo there.  that was done hastily for the e-mail.
> >>
> >> i had tried the right thing previously and here it is again.  still no luck:
> >>
> >>
> >> ch@snaggle:~$ sudo mdadm -E /dev/sd[defg]1 | egrep 'Events|^/dev/sd'
> >> /dev/sdd1:
> >>          Events : 286024
> >> /dev/sde1:
> >>          Events : 286011
> >> /dev/sdf1:
> >>          Events : 286024
> >> /dev/sdg1:
> >>          Events : 286024
> >> ch@snaggle:~$ sudo mdadm --assemble --force /dev/md0  /dev/sd[dfg]1
> >> mdadm: ignoring /dev/sdf1 as it reports /dev/sdd1 as failed
> >> mdadm: /dev/md0 assembled from 0 drives and 2 spares - not enough to
> >> start the array.
> >> ch@snaggle:~$
> >
> > Please try listing *all* of the devices, and add "-v" for extra output.
> >
> > NeilBrown


[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 828 bytes --]