What to do if new HD doesn't show up in /dev

[Willem van der Walt]

Yes, check the bios and if it does not show up there and you know that the 
disk is fine, try to find the kernel switch with which you tell the kernel 
not to listen to closely to what the bios say and rather do its own thing.
I have used that in the past to make linux see bigger drives than what the 
bios saw.
I forgot the kernel paramater, but it was something like pcibios=no.
Also have a good look at the output of dmesg and /var/log/messages to see 
if the disk is seen anywhare.
HTH, Willem


On Mon, 2 Mar 2009, John G. Heim wrote:

> My department put a new disk in one of our servers. The machine has a RAID
> controller with 4 disks and then this new disk is attached to one of the sata
> ports. There used to be a 80 Gb disk attached there and the new disk that we
> just replaced it with is 1 Tb (1000 Gb).
> 
> Anyway, the old 80 Gb drive used to be seen as sdb. But the new drive doesn't
> show up at all. If I run 'sfdisk -l', the RAID disks show up as sda. But there
> is no sdb.
> 
> I was using the stock debian kernel in lenny. But I also tried the 2.6.28
> kernel from the debian kernel team's experimental archive. Still no /dev/sdb.
> 
> What else can I try?
> 
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> 

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