[OpenIndiana-discuss] 3x LSI 9211-8i controllers + direct attach backplane -- appear as on controller

[Rich]

On Wed, Nov 16, 2011 at 11:52 PM, Eric D. Mudama
<edmudama at bounceswoosh.org> wrote:
> On Wed, Nov 16 at 13:47, Bill Sommerfeld wrote:
>>
>> On 11/16/11 13:27, James C. McPherson wrote:
>>>
>>> (and apart from "I don't understand
>>> it therefore it must be bad" I don't know why you really would)
>>
>> I don't like mpxio disk names -- they make me work too hard and create
>> fear of
>> doing the wrong thing.
>>
>> Long hex strings are much harder to distinguish than short strings and
>> it's
>> much easier to get confused between two devices.  humans are reasonably
>> good
>> at dealing with dense sets of small integers, and not quite so good at
>> dealing
>> with sparse sets of 64-bit and 128-bit values.
>>
>> are c2t5000C5002C68468Bd0 and c2t5000C5002C68468Bd0 the same or different?
>> what about c2t5000C5002C68203Bd0 and c2t5000C5002C689ABFd0?
>>
>> are c2t5d0s0 and c2t6d0s0 the same or different?  how about sd5a and sd5a?
>>
>> how much time did each of those comparisons take you?  how quickly were
>> you
>> sure of your answer?
>
> The important part to me is that the 000C5002C68468B above is
> typically printed on the label of the drive.  Put a little sticker on
> your sled with the contained WWN, and you won't make the mistake of
> grabbing the wrong drive from the array again. (They need a support
> group for that)

SES means you can blink the drive LED and, with a convenient mapping
method, not have this issue again. :)

- Rich