Thursday, July 18, 2013
For those looking for 10GB HBA adapters with full
Emulex is also addressing the server virtualization market by including a full 10GB HBA offload on each of the products in their UCNA product family. In a purely physical server environment, there are often plenty of CPU cycles available to handle the traditional 10GB HBA functions in software. However, in a virtual server environment, where many guest virtual machines are typically running, CPU cycles are a bit more precious, so including a full 10GB HBA offload in all of the UCNA products will be appealing to many shops that have embraced server virtualization. By including a full offload in all of their UCNAs, large customers may be able to run more guest virtual machines in a given physical server than without the offload in the adapterBut there are many who use iSCSI and have no plans to use Fibre Channel, so for them, the iSCSI version of the adapter makes sense. In the future, Emulex plans to allow the basic 10Gb version of the adapter to be upgraded, via a firmware upgrade, to either the iSCSI or FCoE version of the adapter, or to change the iSCSI “personality” to the FCoE “personality”. The iSCSI and FCoE versions of the adapter available today have a higher price than the basic 10Gb adapter. For those who decide they want either iSCSI or FCoE in the future, an upgrade to iSCSI or FCoE from the basic 10Gb model will be available for an additional charge.
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