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тАО11-28-2011 02:39 AM
тАО11-28-2011 02:39 AM
MSA P2000 & Proliant DL380 - iSCSI can't connect / ping
System is an Proliant DL380G7
Storage is a MSA P2000 G3 iSCSI MSA Dual Controller
OS is CentOS 6.0 64bit
The MSA is connected via CrossLink Cat6 cable, Controller A to NIC3 (eth2), Controller B to NIC4 (eth3)
ip Config on Server is :
eth2 = 10.0.0.12/24 gw=10.0.0.1
eth3 = 10.0.0.13/24 gw=10.0.0.1
CLI Connection is /dev/ttyACM0
Output from "show network-parameters" looks like this :
Network Parameters Controller A
-------------------------------
IP Address: 10.0.0.2
Gateway: 10.0.0.1
Subnet Mask: 255.255.255.0
MAC Address: 00:C0:FF:12:5F:08
Addressing Mode: Manual
Network Parameters Controller B
-------------------------------
IP Address: 10.0.0.3
Gateway: 10.0.0.1
Subnet Mask: 255.255.255.0
MAC Address: 00:C0:FF:12:5E:56
Addressing Mode: Manual
Strange thing is, i can't ping or connect to the MSA with these ip's BUT i can ping 10.0.0.97 which is the iSCSI Port B.
So, what am i doing wrong here ? I just don't get it ... :(
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тАО11-28-2011 02:51 AM
тАО11-28-2011 02:51 AM
Re: MSA P2000 & Proliant DL380 - iSCSI can't connect / ping
Hi, you need to connect the server to the dedicated ethernet port to be able to access the management interface via IP.
http://h18000.www1.hp.com/products/quickspecs/13551_div/13551_div.html
has a picture.
The port located physically in the middle on the back of each controller is the management ethernet port.
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тАО11-28-2011 06:03 AM
тАО11-28-2011 06:03 AM
Re: MSA P2000 & Proliant DL380 - iSCSI can't connect / ping
Hi Johan,
thx for the reply, now things look better :)
But, since this is my first iscsi setup, i've still lots of questions.
Is there any good guide that explains how to setup such a system ?
For example, i wonder if the controller ports are now just redundant ?
I can connect to controller a right now, but not to b.
Also, i now have 2x4 "free" iscsi ports, do i have to connect all 8 ports to our lan switch ?
Do i have to give them ips from our lan or are "private" ips better ?
See, i'm an iscsi newbie and open for any help or hints ;)
M.
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тАО11-28-2011 06:14 AM
тАО11-28-2011 06:14 AM
Re: MSA P2000 & Proliant DL380 - iSCSI can't connect / ping
You should have a dedicated lan for the iscsi. Logically at a minimum. Preferably physical too. The more connections the more redundancy and performance.
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тАО11-28-2011 06:32 AM
тАО11-28-2011 06:32 AM
Re: MSA P2000 & Proliant DL380 - iSCSI can't connect / ping
Manuals: http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?contentType=SupportManual&lang=en&cc=us&docIndexId=64179&taskId=101&prodTypeId=12169&prodSeriesId=4118559
"HP P2000 G3 iSCSI MSA System User Guide"
http://h20195.www2.hp.com/v2/doctype.aspx?doctype=white+paper|analyst+report&cc=us&lc=en
For best practices.
There is one called " HP P2000 G3 MSA Best practices - Technical white paper (US English)"
By the way, there were some documents about the FC/iSCSI controller but the iSCSI there is AFAIK only for replication.
HP has a guide called 'SAN Design Reference Guide'. Chapter 18 is about iSCSI.
http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?contentType=SupportManual&locale=en_US&docIndexId=179911&taskId=101&prodTypeId=12169&prodSeriesId=406734
It looked like it didn't have so much about P2000 iSCSI specifically but there should be some good conceptual stuff in there.
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тАО11-28-2011 06:33 AM
тАО11-28-2011 06:33 AM
Re: MSA P2000 & Proliant DL380 - iSCSI can't connect / ping
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тАО11-28-2011 10:16 PM
тАО11-28-2011 10:16 PM
Re: MSA P2000 & Proliant DL380 - iSCSI can't connect / ping
>Is that a 10GbE or 1GbE iSCSI you have?
We have the 1GbE version
Right now an additional physical LAN is no option, so my idea was to direct connect the Storage via Crosslink Cat6 to the Server.
But after reading some of the documents you mentioned, i think a vlan might be more appropiate.
Anyway, thanks again for the input :)
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тАО11-28-2011 10:38 PM
тАО11-28-2011 10:38 PM
Re: MSA P2000 & Proliant DL380 - iSCSI can't connect / ping
What are you going to run on it?
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тАО11-28-2011 11:15 PM
тАО11-28-2011 11:15 PM
Re: MSA P2000 & Proliant DL380 - iSCSI can't connect / ping
>What are you going to run on it?
smb,nfs,ftp and at some later point probably a small sql db.
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тАО11-28-2011 11:45 PM
тАО11-28-2011 11:45 PM
Re: MSA P2000 & Proliant DL380 - iSCSI can't connect / ping
Allright, the only one there you may have to worry about latency is the sql one so should be good for now then I suppose :)