dmraid false positive
Heinz Mauelshagen
mauelshagen at redhat.com
Fri Sep 23 07:12:24 UTC 2005
Greg,
so you obviously got sil metadata on sdb somehow.
Typical reason is, that the drive was a previous member of a sil set.
If you want to get rid of it: 'dmraid -rE /dev/sdb'
Regards,
Heinz
On Wed, Sep 21, 2005 at 11:55:36AM -0600, Greg Felix wrote:
> Hi,
>
> I've got a computer capable of setting up an isw RAID. It can also be
> switched to handle the two disks separately, which I'm currently
> doing. The problem is that when I boot up dmraid is still finding a
> RAID array. The problems are: 1. I don't have a RAID array 2. The
> array it is finding is of type sil (not isw) 3. The array is being
> setup only on my second disk (/dev/sdb). Anybody ever seen this? I
> don't know what the sil metadata looks like or where is should be on
> the disk. I guess this might not be a dmraid bug since if the disk
> really has metadata on it than dmraid is doing what it should by
> setting up the array.
>
> I just wanted to see what you all think. Or whether you know anything
> off hand about this.
>
> Below are some dmraid outputs:
>
> Greg
>
> dmraid -tay -vvv gives:
>
> WARN: locking /var/lock/dmraid/.lock
> NOTICE: skipping removable device /dev/sdc
> NOTICE: /dev/sda: hpt37x discovering
> NOTICE: /dev/sda: hpt45x discovering
> NOTICE: /dev/sda: isw discovering
> NOTICE: /dev/sda: lsi discovering
> NOTICE: /dev/sda: nvidia discovering
> NOTICE: /dev/sda: pdc discovering
> NOTICE: /dev/sda: sil discovering
> NOTICE: /dev/sda: via discovering
> NOTICE: /dev/sdb: hpt37x discovering
> NOTICE: /dev/sdb: hpt45x discovering
> NOTICE: /dev/sdb: isw discovering
> NOTICE: /dev/sdb: lsi discovering
> NOTICE: /dev/sdb: nvidia discovering
> NOTICE: /dev/sdb: pdc discovering
> NOTICE: /dev/sdb: sil discovering
> NOTICE: sil: areas 1,2,3,4[4] are valid
> NOTICE: /dev/sdb: sil metadata discovered
> NOTICE: /dev/sdb: via discovering
> NOTICE: added /dev/sdb to RAID set "sil_afafdibjcbfg"
> sil_afafdibjcbfg: 0 145223040 linear /dev/sdb 0
> INFO: Activating stripe RAID set "sil_afafdibjcbfg"
> WARN: unlocking /var/lock/dmraid/.lock
>
> dmsetup table gives:
>
> sil_afafdibjcbfg1: 0 145211472 linear 254:0 63
> sil_afafdibjcbfg: 0 145223040 linear 8:16 0
>
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Heinz Mauelshagen Red Hat GmbH
Consulting Development Engineer Am Sonnenhang 11
Cluster and Storage Development 56242 Marienrachdorf
Germany
Mauelshagen at RedHat.com +49 2626 141200
FAX 924446
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