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20Dec/110

Dell PowerConnect 5500 Series EqualLogic config

After the purchase of another EqualLogic PS6000 Series Array and 4 Dell PowerConnect 5524 switches to facilite onsite replicaiton, we decided we needed to look at the iSCSI backend network and how we where going to transport the replication data across site.

The PowerConnect 5000 switch's come with some new features, such as stacking with the use of HDMI ports located on the front of the switch, and Auto detection of EqualLogic Arrays with automatic configuration of ports attached to the Array. Enabling iSCSI mode will switch on jumbo frames, flow control, spanning-tree port fast, unicast storm control and enable the switch to automatically detect an Equallogic Array connected to any of its switch ports. - NOTE there is an issue with the implementation of flow-control prior to Firmware version 4.0.1.11 A02, Released on 10/25/2011 the issue as per the Firmware release notes are;

6Jun/114

Dell PowerConnect 5400 Switch config for EqualLogic iSCSI Network

At this current moment we use 2 PowerConnect 5424 switches for our iSCSI backend network.  The PowerConnect 5424 has 24 10/100/1000 BASE-T auto-sensing gigabit Ethernet switching ports and 4 SFP combo ports for fibre connectivity.

The PowerConnect series of switches have many good features some which are irrelevant to what I am talking about so I will leave this out and comment on the features which are important in relation to iSCSI backend networks. Notice I say backend, if this were not a backend network I may be interested in some of the other features such as multiple VLAN capability and iSCSI optimization and QOS. But as this is a backend network I will not require the use of multiple VLANS or iSCSI optimization as I don't see the need to optimise iSCSI on purely iSCSI network.

   
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