Journal Article: New Connections: SAS and iSCSI HBAs by Storage Magazine

New Connections: SAS and iSCSI HBAs

sponsored by Storage Magazine

Posted:	12 Apr 2007
Published:	01 Apr 2007
Format:	HTML
Length:	7 Page(s)
Type:	Journal Article
Language:	English

ABSTRACT:

Out with the old, in with the new: Serial-attached SCSI (SAS) and iSCSI host bus adapters (HBAs) are the new vanguard in server-to-storage connectivity. SAS HBAs are poised to replace parallel SCSI HBAs, while iSCSI HBAs offer companies the option to use an Ethernet storage network in lieu of a more costly Fibre Channel (FC) SAN for all of their servers.

Of course, SAS and iSCSI HBAs address different corporate storage connectivity needs. SAS HBAs help eliminate storage I/O throughput bottlenecks to internal or direct-attached storage (DAS) while expanding the number of storage devices a single server can address to more than 16,000. iSCSI HBAs open the door for organizations to connect high-performance servers to their Ethernet storage network.

Author

Jerome Wendt
Founder and Lead Analyst, The Datacenter Infrastructure Group
Jerome Wendt is the founder and lead analyst of The Datacenter Infrastructure Group, an independent analyst firm. Jerome began his career as a systems administrator and has worked in a number of end user roles in both public and private organizations including senior storage administrator, systems manager and storage systems engineer.

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