[Novalug] Strange Disk Problem
Mark Caudill
flakblas@me.com
Fri Sep 10 15:36:59 EDT 2010
Firstly, are you really going to try to setup RAID 1 across 12 drives? I'd investigate maybe RAID 10. To probe the drives try hdparm (usually in /sbin). hdparm -I /dev/sdX gets you a ton of info if I remember correctly.
On Sep 10, 2010, at 3:16 PM, Greg F wrote:
> Guys,
> I'm stumped on this one and google doesn't seem to be helping.
>
> I'm using Ubuntu Server 10.04.1 on a Dell PowerEdge 2950 III with a Sun StorageTek PCI Express card and a Sun j4200 disk array with 12x 1TB disks.
>
> After performing a clean install the system shows 13 1TB disks attached. How can this be? Only 12 are connected??? I'm going to be setting up mdadm and LVM but was planning RAID 1 which requires an even number of disks.
>
> Fdisk -l shows 13 disks (/dev/sdb through /dev/sdn)
> cat /var/log/messages shows 13 disks (/dev/sdb through /dev/sdn)
> fstab file looks fine
>
> If i look in the BIOS for the StorageTek card it shows 12 disks and 1 storage enclosure connected.
>
> This box used to have Windows on it which showed 12 disks, also used to have OpenSolaris which showed 12 disks so I'm inclined to think it's not a hardware problem.
>
> Has anyone ever seen this behavior before? Seems like it might be a bug.
--
Mark C | flakblas@me.com | http://omgwtfrofl.com
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