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how does the embedded P400 array controller in a Gen5 Proliant DL380 support 18 SAS drives?!?

james19179
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Last Modified: 2010-08-05
Hi there! :-)

We're looking at implementing a SAS storage architecture using the new DL380 gen5 and are a little confused as to how the embedded P400 controller can support 18 drives.

On this page:

http://h18000.www1.hp.com/products/servers/proliantstorage/arraycontrollers/smartarrayp400/index.html

it states that the P400 has 2 internal ports and 0 external, which sounds about right, but that it supports 18 SAS/SATA devices. Now, I know that the server only takes 8 drives internally, so I'm guessing the other 10 would be in an MSA50 external enclosure... but how do you physically connect the enclosure if both ports are internal?!?

many thanks for the help! :-)

Kind regards
James
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saggar maker's framemaker
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Distinguished Expert 2019
Commented:
In a DL380 it only supports 8 disks but the same card is used in the ML570 G4 which has 18 internal drive bays.

If you want a DL380 plus MSA50 you need a P600 rather than P400.

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Commented:
ah, that would explain it! I hadn't seen the ML570 G4...

cheers for the assistance, much appreciated!   :-D
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