Mark Lord wrote:
Yan Seiner wrote:
I have an external enclosure with an SATA backplane with 20 drive
slots. I am using 4 port multipliers to drive all 20 slots.
One set of 5 slots connected to a single port multiplier always fails
with
.....
<snippage>
02:00.0 Mass storage controller: Silicon Image, Inc. SiI 3132 Serial
ATA Raid II Controller (rev 01)
The system sees 3 port multipliers; not 4 as it should:
[ 82.488354] ata4.15: Port Multiplier 1.1, 0x1095:0x3726 r23, 6
ports, feat 0x1/0x9
[ 82.488507] ata3.15: Port Multiplier 1.1, 0x1095:0x3726 r23, 6
ports, feat 0x1/0x9
[ 82.796408] ata1.15: Port Multiplier 1.1, 0x1095:0x3726 r23, 6
ports, feat 0x1/0x9
I suspect it's cabling length as the 5 "dead" slots are the farthest
down the backplane but swapping cables randomly just doesn't seem
like a good approach.
What's my next step?
..
Perhaps try a different chipset controller card,
in hope that it will have stronger drive capability?
OK, did that. No joy.
[ 82.533526] ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 310)
[ 82.533606] ata3: link online but device misclassified, retrying
[ 82.533686] ata3: reset failed (errno=-11), retrying in 9 secs
Is there some way to be more forceful with the reset? I suspect one of
the port multiplier boards is bad at this point. Is there some way to
force a hard reset from user space? What can I from userspace short of
hitting the thing with a hammer?
--Yan
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