Celerra and Clarrion

Celerra has three components: Control Station, Data Mover and Backend storage (could be CLARiiON or Symmetrix):

You can use Celerra Manager to manage Control Station, and Navisphere or Unisphere Manager to manage CLARiiON.

2. why i cant use clarrion ( that is using navisphere ) to configure Lun and attach to esx host like i do in unisphere

You can.  In the older versions of software (re: pre unisphere) the Celerra and Clariion portion were manage seperatly.  If you want to ass a Fiber Channel LUN you use Navisphere... For NAS tasks you use Celerra Manager..

Both the Celerra and th CLARiiON have what's called Management ports. Each has different IP addressses. You connect the Celerra via its IP address to manage the FILE provisioning. You connect to the CLARiiON using its IP addresses to manage the BLOCK provisioning.

The Celerra provide FILE access (like a file server). The CLARiiON provides BLOCK level storage - actual LUNs to a server..

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glen

Celerra is actually [DataMovers + Control Stations] in front of CLARiiON. You may access Celerra by connect to Control Station's IP through supported browsers. There, you will have Celerra Manager GUI.

For CLARiiON management, you may connect to the IP of it's management port on the storage processor and you will get Navisphere Express for AX backend.

3. What is advantage of using Hybrid Storage.

I think it's a product of compromise since CLARiiON can not provide NFS, CIFS access while more and more people like to use NAS storage.

Consolidation of NAS-based (file-level) and SAN-based (block-level) on a single storage platform, unified management in the case of Unisphere (and not speaking on behalf of Navisphere and Celerra Manager), and important for some: the proverbial "single throat to choke".