Re: Any hope for a 27 disk RAID6+1HS array with four disks reporting "No md superblock detected"?

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On Wed, 2009-02-04 at 15:50 -0500, Joe Landman wrote:
> Thomas J. Baker wrote:
> > Any help greately appreciated. Here are the details:
> > 
> > [root@node002 ~]# ./examineRAIDDisks 
> > mdadm -E /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 /dev/sdf1 /dev/sdg1 /dev/sdh1 /dev/sdi1 /dev/sdj1 /dev/sdk1 /dev/sdl1 /dev/sdm1 /dev/sdn1 /dev/sdo1 /dev/sdp1 /dev/sdq1 /dev/sdr1 /dev/sds1 /dev/sdt1 /dev/sdu1 /dev/sdv1 /dev/sdw1 /dev/sdx1 /dev/sdy1 /dev/sdz1 /dev/sdaa1 /dev/sdab1 /dev/sdac1
> > /dev/sdb1:
> >           Magic : a92b4efc
> >         Version : 00.90.00
> 
> Hi Thomas:
> 
>    Don't you need 1.0 or higher superblocks to make this work?
> 
> Joe

The array was made probably two years ago and had been working fine
until recently. In reading the documentation for mdadm, it did seem like
it should have required me to use the higher version but it never
complained when I made it and worked fine.

Thanks,

tjb
-- 
=======================================================================
| Thomas Baker                                  email: tjb@xxxxxxx    |
| Systems Programmer                                                  |
| Research Computing Center                     voice: (603) 862-4490 |
| University of New Hampshire                     fax: (603) 862-1761 |
| 332 Morse Hall                                                      |
| Durham, NH 03824 USA              http://wintermute.sr.unh.edu/~tjb |
=======================================================================

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