[Bug 85101] hpsa + P410 does not show connected HP SAS port expanders

[bugzilla-daemon@bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=85101

--- Comment #6 from linux-ide@crashplan.pro ---
The HP Smart Array P410 still has its issues: sometimes the diagnostics LED
turns amber, other times it works ok.

As a fall back a Marvell controller detects the HP SAS expander card fine:
# lsscsi -g | grep HP
[6:0:0:0]    enclosu HP       HP SAS EXP Card  2.08  -          /dev/sg1

I am not able to figure out a correct sg_write_buffer command. Run from the
directory where the unpacked binary image is stored:
# sg_write_buffer --bpw=4096 -v --in=PUF21000.bin /dev/sg1
tried to read 8388608 bytes from PUF21000.bin, got 1509632 bytes
will write 1509632 bytes
sending write buffer, mode=0x0, mspec=0, id=0,  offset=0, len=4096
    Write buffer cmd: 3b 00 00 00 00 00 00 10 00 00
write buffer:  Fixed format, current;  Sense key: Illegal Request
 Additional sense: Invalid field in cdb
Write buffer failed: Illegal request sense key, apart from Invalid opcode

Any suggestions for the correct sg_write_buffer statement for writing to an HP
SAS expander card?

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