PE2950 with six disks

[Jeff_Nichols at Dell.com]

Can you confirm the backplane configuration?
This server comes with 3 different backplanes... 

One of them is a 1X4 (leaving space for an optional media bay)

Reference page 53
http://support.dell.com/support/edocs/systems/pe2950/en/hom/pdf/hom.pdf

-jeff


-----Original Message-----
From: linux-poweredge-bounces at dell.com
[mailto:linux-poweredge-bounces at dell.com] On Behalf Of Graeme Hilton
Sent: Thursday, August 21, 2008 8:36 AM
To: linux-poweredge-Lists
Subject: PE2950 with six disks

Hi,

I've got a PE2950 running RHEL4.  It has four disks installed and I 
recently bought two more disks to expand the storage.  Unfortunately the

system can't see the two new disks (in slots 4 and 5).

The system has a PERC 5i card installed but I have not setup any raid 
functionality.  omreport tells me that it can only see 4 physical 
disks.  If I enter the SAS config at startup (i.e. Ctrl-C in the boot-up

sequence) I can only see the existing four disks listed, not the two new

ones.

I've checked the disks are functional by putting them into another 
server which can see them (they're hotswap disks and they popped 
straight up in dmesg).

Going back to the SAS controller config I see that only the first four 
PHY interfaces are enabled.  The remaining four are disabled.  How can I

enable the fifth and sixth PHY interfaces so that the new disks can be 
recognised by the system?

Thanks,

-- 
Graeme Hilton
R&D Engineer

Schlumberger


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