Re: megaraid.c, all kernel versions, problem with multi-luns

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On 31/05/07, Reinaldo Carvalho <[email protected]> wrote:
Hi,

I have a Dell PowerEdge Expandable RAID controller, with a hardware
Raid-5 at Channel 01 running perfectly, and a nCipher Crypter at
Channel 02.

This controller doesn't correctly detect devices (e.g. nCipher
Crypter) with multiples LUNs. Only one LUN is detected.

At another controller (e.g. Adaptec 79xx) two LUNs were detect. I
compiled 2.6.8, 2.6.18 and 2.6.21.3 to test megaraid driver and all
failed detecting two LUNs.


Did you build your kernel with CONFIG_SCSI_MULTI_LUN enabled?  This
option will force the SCSI driver to probe for multiple LUN's.
Without this option only one LUN may be detected, and since that's the
common case (devices only having one LUN) people often forget about
this option :)

--
Jesper Juhl <[email protected]>
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