3 ms·
SABRE was specifically disk drives, though given the capacity of drives in those days I'm sure tapes were very important (and you see a lot of them in the photo
by gumby 3y ago
SABRE was specifically disk drives, though given the capacity of drives in those days I'm sure tapes were very important (and you see a lot of them in the photos from the link I included)
- jahewson 3y agoThis is somewhat mysterious. Sabre launched in 1960 on a pair of of IBM 7090s (a system itself launched only a year prior) but the first HDD compatible with the 7090 was as far as I can tell, the well-known IBM 1301 which didn’t ship until 1962. Perhaps the record size was designed based on the anticipated specs of the 1301? Or perhaps they wrote a new storage layer when they got disks - either way I’m sure as you say they optimized their record size for those very expensive disks.