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SubjectRE: Multi-Initiator SAS
Date
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Darrick J. Wong wrote:

> Douglas Gilbert wrote:
>
> > With the mptsas driver you can use smp_utils to look
> > at that expander via /dev/mptctl ('modprobe mptctl' first).
> > To get an overview of what the expander sees, try:
> > # smp_discover -mb /dev/mptctl
>
> Unfortunately, I see this:
>


You need to pass the sas address of the expander.

./smp_discover --sa=sas_address /dev/mptctl

where sas_address can be found in
/sys/class/sas_device/expander-X:0/sas_address
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