MegaCli and Linux /dev/sd*

[Patrick_Boyd at Dell.com]

The /dev/sd devices generally don't correspond to physical disks with a
PERC card. The /dev/sd devices correspond to LDs and each LD can have
multiple PDs inside it.

-----Original Message-----
From: linux-poweredge-bounces at dell.com
[mailto:linux-poweredge-bounces at dell.com] On Behalf Of Tom Limoncelli
Sent: Tuesday, May 05, 2009 10:20 AM
To: linux-poweredge-Lists
Subject: MegaCli and Linux /dev/sd*

Does anyone know how /dev/sd? relates to the output in MegaCLI when
using a PERC card?

Here's an example.  /dev/sde fails.  I want to look up the serial
number of the disk so that a remote tech knows they are replacing the
correct disk.  If I do "MegaCli -PDList -aALL" I can see all the
serial numbers but I'm not 100% sure which slot is /dev/sde because
the PERC card adds a layer of redirection.

Suggestions?

Tom

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