Steps to provide storage (LUN) to ESX?

Hi,

I am looking for some information, how storage Team provides LUN to ESX Server?

Step by step guide will be very useful. For example from EMC Clariion
Nava_thulasi39Asked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
what steps do you require how to create the LUN on the EMC sAN?
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coolsport00Commented:
I have a Clairiion CX4-120 and this is how I do it:
1. Log into Unisphere/Navisphere (Unisphere is newest mgmt interface)
2. Create a RAID Group (select your SAN device, then Storage tab -> RAID Group) -> you choose RAID level needed based on what type VMs will be on the LUN created within this RAID Group. For example, if you are needing high performance for database VM server, create a RAID group with RAID level of 10 (1+0).
3. After RAID Group is created, rt-click on the RAID Group and select Create or Bind LUN. Choose whether you want to allocate all the RAID Group storage for this LUN or not. Keep in mind this LUN will more than likely be presented to your host(s) as a datastore, so give yourself enough space to add your VM or several VMs to this LUN.
4. After you choose the amount of space (GB) needed for the LUN, click 'OK' to close the window and finalize LUN creation.
5. Go to Storage -> Storage Group and select to create a Storage Group. I name my storage group based off what servers or server will be added to the group. So, for example, I had SGs named SQL, and Exchange, and VMware (I now only have VMware because all my critical servers are now VMs).
6. Add your VMware hosts to this Group by going into the SG properties (rt-click on SG -> Properties). Add the host under the 'Hosts' tab (this is assuming you've 'presented' your hosts to your EMC SAN, which is done by "zoning" on your EMC SAN switches).
7. After the SG has hosts in it, you then need to present storage (LUNs) to the SG. So, click the LUN tab and select the LUN you created & 'Add' it. Once done, click 'OK'.
8. You can now go back to your vCenter (or connect directly to your host) and scan your FC vmhba's (Configure tab -> Storage Adapters).
9. After you scanned them, go to Configure tab -> Storage -> 'Add Storage' link and go through the 'Add Storage wizard' to add your LUN as a datastore. While going through the wizard, on 1 of the screens, you'll be asked to choose a block size...and this is IF you are using a version of ESX/ESXi BEFORE version 5 (version 5 has 1MB block size for default, regardless of VMDK size). If you don't need a virtual disk (VMDK) size of larger than 256GB, no change is needed...keep the default (1MB block size). If you need a VMDK of 512GB or less, choose 2MB block size, 4MB block size for a 1TB VMDK and less, and 8MB for 2TB VMDK or less. After going through the wizard, you should now see your datastore and be able to use it for VMs, or data storage (e.g. for ISOs).

Hope that helps.

~coolsport00
If
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Nava_thulasi39Author Commented:
Hi coolsport00,

Thanks for the step by step Instruction.

So would like to know, If LUN is visible to entire cluster, do we need to add the all the hosts name  in the step 6 (as per the steps) or some different way.
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Yes, you need to add each host that requires access to the group.
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coolsport00Commented:
As @hanccocka states...yes sir...you would...
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