Wednesday, 5 October 2011

NetApp Terminology - Disks

NetApp currently uses 3 types of disks:

FCP (Fiber) – fast, expensive, on all models, originally in filers
SATA (Serial ATA) – slower, cheaper, on all models, originally on nearstores
SAS (Serial Attached SCSI) – fast, expensive, currently only on FAS20x0 series, poised to replace FCP in the long run


Recent models can combine FC, SATA, & SAS disks
SATA is slower than FCP & SAS
Note: “FCAL = Fiber Channel – Arbitrated Loop”
A fast, serial-based standard meant to replace the parallel SCSI standard
Primarily used to connect storage devices to servers

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