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тАО12-29-2009 12:38 AM
тАО12-29-2009 12:38 AM
1.- In fact, each controller have two iSCSI ports, with a total of four ports:
A0 IP = 10.10.10.10
A1 IP = 10.10.20.20
B0 IP = 10.10.30.30
B1 IP = 10.10.40.10
How should I connect/add those in the iSCSI initializator? Should I need to add the four in each server? or some like this?
Primary Server - Add A0 and B0 ...?
Secondary Server - Add A1 and B1 iSCSI ...?
2.- What settings should I enable in iSCSI in order to enable the HA mode for the MSA dual controller?
3.- I read that each iSCSI port have 4GB of bandwidth, since my servers have a few Giga ethernet network cards, what kind of Teaming (bonding, load balancing, or some) will enable the server to team two or more NIC's to connect to the iSCSI initializator? Is that possible with my Procurve Switches?
Here again my config details:
- Two DL380G6 Servers
- One MSA 2012i (with two controllers)
- Windows 2003 Enterprise R2
- Two ProCurve 3400 CL Giga Switches
thanks in advance!!!!
Aldo
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тАО12-29-2009 02:54 AM
тАО12-29-2009 02:54 AM
Re: Couple of questions: MSA 2012i with dual controller in HA mode
A0=10.10.1.1/24
A1=10.10.2.1/24
B0=10.10.1.2/24
B1=10.10.2.2/24
2. I am not sure I fully understand the question. From my experience the MSA2012i automatically operations 'HA' mode (=it does controller module failovers) if it has two controllers.
3. No. Those are 1 GigaBit Ethernet ports - the FibreChannel module has 4 GigaBit. The theoretical 'bandwith' (not throughput) to a single volume is two GigaBits (=A0+A1 or B0+B1) - that is because on the MSA2000 generation 1 models a virtual disk (vDisk) and all its volumes is managed and presented by one controller at a time.
It's been some time that I worked with the MSA2012i (and not with W2003),
but I would look into using the Windows iSCSI initiators MPIO.
Maybe with round-robin, but in a VMware ESX environment with a single W2003 guest I was able to get 100+Megabytes/second using large sequential read I/Os.
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тАО12-29-2009 09:43 AM
тАО12-29-2009 09:43 AM
Re: Couple of questions: MSA 2012i with dual controller in HA mode
Thanks in advance
Aldo
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тАО12-29-2009 09:54 AM
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тАО12-29-2009 10:07 AM
тАО12-29-2009 10:07 AM
Re: Couple of questions: MSA 2012i with dual controller in HA mode
Do I need a HP Storage Manager client? Like those used in IBM? Or only the HP MSA Driver and the iSCSI initializator?
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тАО12-29-2009 10:16 AM
тАО12-29-2009 10:16 AM
Re: Couple of questions: MSA 2012i with dual controller in HA mode
- the WEB interface
- a command line interface via telnet/ssh
- a command line interface via the serial maintenance port
If I recall correctly there is also a Windows VDS provider to allow (limited) management through the MMC's SAN Manager in W2003 R2 and up. I've tried it some time ago with another array and wasn't too impressed - each array has its own architecture which cannot easily abstracted, so I prefer the native interfaces (CLI/web SMU for the MSA2000 series).
> iSCSI initializator
No offense, but this is called the "iSCSI [software] initiator".
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тАО12-29-2009 10:22 AM
тАО12-29-2009 10:22 AM
Re: Couple of questions: MSA 2012i with dual controller in HA mode
I am totally new with SAN matter..