On Fri, Apr 11, 2014 at 10:22 PM, Joshua M. Clulow <
[email protected]> wrote:

> Is this a rebadged LSI card that uses the "mpt_sas" driver?  If so,
> you can likely find some details about the port numbers by running:
>
>    mdb -k -e "::mptsas -t"


> Hopefully you'll see a bunch of records for the disks attached to each
> controller, like this:
>
>      devhdl 11, sasaddress 5000cca01c46f829, phymask f,devinfo 401
>      throttle 20, dr_flag 0, m_t_ncmds 0, enclosure 2, slot_num 7
>

Unfortunately, the enclosure and slot number on my RAID card seem to be
somewhat dynamic. I tried matching up the slot number reported to a
physical drive slot by pulling a drive and then looking at the drive ID,
but couldn't get the two to line up.   Could also be that I've caught a
short term case of dyslexia. :)

I ended up reverting to more of Ian's method.  I pulled one half of my
mirrors, one at a time, and then wrote the slot number down next to the
drive ID.   Now I can label the drive slots and I'll be a happy camper.

Greg



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