Linked by Thom Holwerda on Thu 8th Jan 2009 18:47 UTC
Hardware, Embedded Systems SCSI (Small Computer System Interface), often called parallel SCSI, is almost 30 years old and can hardly keep up with the demands of today's IT environment. Serial Attached SCSI (SAS) was developed to address the limitations inherent in SCSI. This article highlights the differences between these two interfaces and points out the attributes that account for the increasing popularity of SAS.
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RE[2]: Comment by dvzt
by tsedlmeyer on Mon 12th Jan 2009 18:12 UTC in reply to "RE: Comment by dvzt"
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People needing lots of external storage connect via fibre channel with multiple paths for redundancy and performance. Currently fibre channel products are available in speeds up to 8Gbs per connection.

Also fibre channel over ethernet (FCoE) or iSCSI via 10Gbs ethernet are alternatives for high speed external storage. Again multiple paths can be used for redundancy and performance.

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