> For the data sheet I referenced, all the drive sizes have the same sustained > data rate OD, 125 MB/s. Eric posted an explanation for this, which > seems entirely believable: The data rate is not being limited by the density > of magnetic material on the platter or the rotational speed, but by the > head or channel bandwidth to each platter itself. When they run the disks at a > higher RPM, they need to stretch the bits longer on the disk surface > so as not to exceed the channel bandwidth. When they need to get higher disk > capacity, they add more platters.
May this mean those drives are more robust in terms of reliability, since the leaks between sectors is less likely with the lower density? Vennlige hilsener / Best regards roy -- Roy Sigurd Karlsbakk (+47) 97542685 r...@karlsbakk.net http://blogg.karlsbakk.net/ -- I all pedagogikk er det essensielt at pensum presenteres intelligibelt. Det er et elementært imperativ for alle pedagoger å unngå eksessiv anvendelse av idiomer med fremmed opprinnelse. I de fleste tilfeller eksisterer adekvate og relevante synonymer på norsk. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss