Re: /dev/sdaa /dev/sdab ... not recognized as valid paths?

[Hannes Reinecke <hare@suse.de>]

Hi Sebastian,

Sebastian Reitenbach wrote:
> Hi,
> 
> I do present 8 luns to the cluster. For each lun there are 4 ways through the  
> SAN that can be used. Therefore I have devices like /dev/sdaa /dev/sdab and 
> so on. The output of multipath -ll shows some disks with 4 paths, some with 
> three, some only with two. In the output of multipath -ll only disks with 
> three letters are shown e.g. /dev/sda. 
> when I run e.g. /sbin/scsi_id -g -u -s /block/sdaa, then it outputs one of the 
> configured ID's that I already have in /etc/multipath.conf.
> 
> How can I add these disks to the multipath failover?
> 
> I'm on SLES10 sp2.
> 
Have you enabled udev?
No, it's not on by default. Don't ask.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
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