Question

How to get our HP DL380 G5 with MSA500 to recognize Drobo Pro over iSCSI

Asked by: pccbryan

We have a HP DL380 G5 server that boots from a MSA500 box.  There are no local hard drives on the HP server.  The server boots perfectly from the MSA500 box that is connected with SCSI cables (I believe you would call it serial attached SCSI?).  Our problem element is the new Drobo Pro storage box that we are connecting via iSCSI to a dedicated NIC on the server.  We were able to get the Drobo Pro up and running on our Test server with no problems.  The Drobo Dashboard software immediately recognizes the Drobo Pro box on the Test server.  The main difference I see is that the Test server boots from local drives and is not attached to the MSA 500.  I have swapped the network cards between Test and Production to rule out a broken NIC.  Does anyone know if you can connect to an iSCSI device such as the Drobo Pro if you are already booting from a SCSI MSA500 box?  

Both servers have the same internal hardware configurations, the only difference is that Production boots from the MSA500.

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Asked On
2009-09-18 at 11:16:13ID24744148
Tags

Drobo Pro

,

iscsi

,

hpdl380

,

g5

,

MSA500

,

SCSI

Topics

Computer Servers

,

Storage Technology

Participating Experts
2
Points
500
Comments
2

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Answers

 

by: andyalderPosted on 2009-09-23 at 02:46:21ID: 25401246

Shouldn't make any difference that you're using an MSA500, it's on a normal parallel SCSI RAID controller and the OS doesn't know that it's not local disks inside the server. It even uses the same driver as the internal smart Array 6i that connects to the internal bays.

 

by: eabeukesPosted on 2009-10-07 at 02:28:06ID: 25513412

Since the Drobo can only hande a single iSCSI device you will need to remove the Test server from its config before attatching the production server. iSCSI on the Drobo is only a linking protocol and cannot be shared - trying to do so causes the strange issues like you are seeing!

20120131-EE-VQP-002

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