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  3. July 2017

Re: How to cable two ESLS disk expansion units to our new EMX0 expansion unit.

Like in the HMC I would change the profile to use card C1 of my new
expansion unit, right?
Does it then just discover which drive is a load source?

On our existing setup:
HMC:
U78C9.001.WZS00UA-P1-C8 SAS RAID Controller, PCIe3 x8, 12 GB Cache,
Quad-port 6Gb

SST:
Packaging Hardware Resources
Type- Resource
Description Model Name Location
Disk Expansion Unit 5887-001 FR02
Backplane 50B0 P62 P1
Device Services 50B1-001 P60 P1-C1
Device Services 50B1-001 P59 P1-C2
Disk Unit 59C2-109 P55 P1-D1
Disk Unit * 59C2-109 P54 P1-D2
Disk Unit 59C2-109 P56 P1-D3
Disk Unit 59C2-109 P57 P1-D4
Disk Unit 59C2-109 P26 P1-D5
Disk Unit 59C2-109 P75 P1-D6
...

IDK how to determine this:
<snip>
The Load Source typically is the drive with the LOWEST SAS address.
</snip>


Rob Berendt

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