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IBM DS4700 Store Configuration

Posted on 2014-09-25
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Last Modified: 2014-10-06
I have a IBM  SAN and I need some help configuring this device. I currently do not have any warranty of this device.

I would like to re-configure this device and create a Hyper-V cluster.

Any help would be appreciated.

Thanks
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Question by:Teavana
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by:Carlos Ijalba
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You need to install IBM Storage Manager 10 in a windows PC, and configure it from there.

The installation manual can be found at:


You can find DS4700 Express Disk Controller publications here:


Also, check the firmware versions, and upgrade to the lastest one, specially if your'e going to configure it from scratch, it's the best moment to do so (the instructions to do it manually are here):

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by:Teavana
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Hi Carlos,

Thank you for this information, I appreciate it.

I was able to connect the storage to the physical servers (2 hosts).   I am not able to see the storage on the hosts servers.


I configured the WWN on both hosts but I am not able to access the storage.

Any idea what I am missing ?  Thanks
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by:Carlos Ijalba
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Teavana,

To assign storage from a SAN to a host, you've got to:

1.- in the DS: Create a RAID group,
2.- DS: Create a LUN,
3.- DS: Define a host,
4.- DS: Assign the LUN to the host,
5.- In the host you've got to see the LUN using the HBA drivers,
6.- Format the LUN from the OS

This is in case you've connected the DS directly to the hosts, if you've got Fibre Switches in between, then you've got to configure the switch by creating Zones from the Storage to each HBA on the host.

Have you followed this steps?
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by:Teavana
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Thank you for your response.

I have completed steps 1 to 4 as the above.

I do have a fibre switch between the hosts.

I am missing the steps to create the zones from the storage to each HBA on the host.

I will do some reaching on this part but do you have any recommended suggestions on creating the Zones ?
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Carlos Ijalba earned 500 total points
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Then you'll have to follow Brocade manuals, as most FC switches (if not all) are Brocade this days.

You can do zones by 2 methods:

by Port or by WWN:
-if you do it by port you'll say to the switch Port 1 can see Port 2, and in case a cable breaks, you'll have to replace it to the same port.
-if you do it by WWN, then it doesn't matter where you plug a new cable, it will connect one WWN with another, and the switch takes charge (downside is if you change a HBA, you'll have to change the zone later on).

I prefer to follow the recommendations and do the zones one STG host port to one HBA port and by WWN.
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by:Carlos Ijalba
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BTW the proper zoning concepts names are:

port World Wide Name (pWWN)

and Domain,Port (D,P).

have a look at Brocade's Secure SAN ZoningBest Practices:

http://www.brocade.com/downloads/documents/white_papers/Zoning_Best_Practices_WP-00.pdf
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by:Teavana
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Thank you, I am reading the documentation now.
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by:Carlos Ijalba
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Teavana,

On the switches, you will see that you can define the zones using the Web interface (BTW is Java based, and doesn't work well with new Java versions, try with Java 7.25), or by using commands.

Commands look very daunting, but you can save them all in a text file and keep them handy (in sharepoint, notepad++, The Guide, etc..) to refer to them in future quickly in case you got to change or add a new switch.

The java wizard is OK, but a bit unresponsive.

Good luck, and enjoy!
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by:Teavana
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Hi Carlos,

Thank you for your help. I was able to successfully configured my host machines with the SAN.  I appreciate your help.
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by:Teavana
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Great help, thank you!
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by:Carlos Ijalba
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I'm glad I could help you.

It's a somewhat long process, but quite entertaining (at least to me).
And once you've done it once, you'll understand a lot better how it all hangs together.
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